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

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    min-height: 100vh;
    color: #fff;
    overflow-x: hidden;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 40px 20px;
    animation: fadeInUp 0.8s ease-out;
}

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

/* Profile Section */
.profile-section {
    text-align: center;
    margin-bottom: 40px;
    animation: slideInDown 1s ease-out 0.2s both;
}

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

.avatar-container {
    position: relative;
    display: inline-block;
    margin-bottom: 20px;
}

.avatar {
    width: 120px;
    height: 120px;
    border-radius: 50%;
    border: 4px solid rgba(255, 255, 255, 0.3);
    transition: all 0.3s ease;
    animation: pulse 2s infinite;
}

.avatar:hover {
    transform: scale(1.05);
    border-color: rgba(255, 255, 255, 0.6);
}

@keyframes pulse {
    0%, 100% {
        box-shadow: 0 0 0 0 rgba(255, 255, 255, 0.4);
    }
    50% {
        box-shadow: 0 0 0 20px rgba(255, 255, 255, 0);
    }
}

.avatar-glow {
    position: absolute;
    top: -10px;
    left: -10px;
    right: -10px;
    bottom: -10px;
    border-radius: 50%;
    background: linear-gradient(45deg, #ff6b6b, #4ecdc4, #45b7d1, #96ceb4);
    background-size: 400% 400%;
    animation: gradientShift 3s ease infinite;
    z-index: -1;
    opacity: 0.6;
}

@keyframes gradientShift {
    0%, 100% {
        background-position: 0% 50%;
    }
    50% {
        background-position: 100% 50%;
    }
}

.profile-info h1 {
    font-size: 28px;
    font-weight: 700;
    margin-bottom: 8px;
    background: linear-gradient(45deg, #ffb300, #ffa000);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.signature {
    font-size: 16px;
    opacity: 0.9;
    font-weight: 300;
}

/* Downloads Section */
.downloads-section {
    margin-bottom: 40px;
    animation: slideInLeft 1s ease-out 0.4s both;
}

@keyframes slideInLeft {
    from {
        opacity: 0;
        transform: translateX(-50px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

.section-title {
    font-size: 22px;
    font-weight: 600;
    margin-bottom: 20px;
    text-align: center;
    position: relative;
}

.section-title::after {
    content: '';
    position: absolute;
    bottom: -8px;
    left: 50%;
    transform: translateX(-50%);
    width: 60px;
    height: 3px;
    background: linear-gradient(90deg, #ff6b6b, #4ecdc4);
    border-radius: 2px;
}

.software-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 24px;
    max-width: 1000px;
    margin: 0 auto;
}

.software-card {
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.2);
    border-radius: 16px;
    padding: 24px;
    text-align: center;
    cursor: pointer;
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}

.software-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.1), transparent);
    transition: left 0.5s ease;
}

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

.software-card:hover {
    transform: translateY(-8px);
    background: rgba(255, 255, 255, 0.15);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.2);
}

.software-card:active {
    transform: translateY(-4px) scale(0.98);
}

.software-icon {
    margin-bottom: 16px;
    animation: float 3s ease-in-out infinite;
    display: flex;
    justify-content: center;
    align-items: center;
}

.software-icon img {
    width: 48px;
    height: 48px;
    object-fit: contain;
    transition: all 0.3s ease;
}

.software-icon img:hover {
    transform: scale(1.1);
}

/* Contact Tags */
.contact-tags {
    display: flex;
    gap: 12px;
    justify-content: center;
    margin-bottom: 16px;
    flex-wrap: wrap;
}

.contact-tag {
    display: flex;
    align-items: center;
    gap: 6px;
    background: rgba(255, 255, 255, 0.15);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.2);
    border-radius: 20px;
    padding: 8px 16px;
    font-size: 14px;
    font-weight: 500;
    transition: all 0.3s ease;
    cursor: pointer;
}

.contact-tag:hover {
    background: rgba(255, 255, 255, 0.25);
    transform: translateY(-2px);
}

.qq-tag {
    color: #1976d2;
}

.wechat-tag {
    color: #4caf50;
}

.sub-signature {
    font-size: 14px;
    opacity: 0.8;
    font-weight: 300;
}

/* Gallery Section */
.gallery-section {
    margin-bottom: 40px;
    animation: slideInUp 1s ease-out 0.8s both;
}

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

.gallery-toggle {
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.2);
    border-radius: 16px;
    padding: 20px;
    text-align: center;
    cursor: pointer;
    transition: all 0.3s ease;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 12px;
    font-size: 18px;
    font-weight: 600;
    margin-bottom: 20px;
}

.gallery-toggle:hover {
    background: rgba(255, 255, 255, 0.15);
    transform: translateY(-4px);
}

.toggle-icon {
    transition: transform 0.3s ease;
}

.gallery-toggle.active .toggle-icon {
    transform: rotate(180deg);
}

.gallery-content {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.5s ease;
}

.gallery-content.show {
    max-height: 1000px;
}

.gallery-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 20px;
    padding: 20px 0;
}

.gallery-item {
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.2);
    border-radius: 12px;
    padding: 20px;
    text-align: center;
    transition: all 0.3s ease;
}

.gallery-item:hover {
    transform: translateY(-8px);
    background: rgba(255, 255, 255, 0.15);
}

.gallery-image {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 12px;
    position: relative;
    cursor: pointer;
}

.gallery-image img {
    width: 100%;
    height: 200px;
    object-fit: cover;
    border-radius: 8px;
    transition: all 0.3s ease;
}

.gallery-image:hover img {
    transform: scale(1.05);
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.3);
}

.gallery-image p {
    font-size: 14px;
    font-weight: 500;
    color: #fff;
    text-align: center;
}

.zoom-overlay {
    position: absolute;
    top: 8px;
    right: 8px;
    background: rgba(0, 0, 0, 0.7);
    border-radius: 50%;
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    opacity: 0;
    transition: all 0.3s ease;
    pointer-events: none;
}

.gallery-image:hover .zoom-overlay {
    opacity: 1;
}

/* Modal Styles */
.modal {
    display: none;
    position: fixed;
    z-index: 9999;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.9);
    backdrop-filter: blur(10px);
    animation: fadeIn 0.3s ease;
}

.modal.show {
    display: flex;
    align-items: center;
    justify-content: center;
}

.modal-content {
    position: relative;
    max-width: 90%;
    max-height: 90%;
    animation: zoomIn 0.3s ease;
}

.modal-content img {
    width: 100%;
    height: auto;
    max-height: 80vh;
    object-fit: contain;
    border-radius: 8px;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.5);
}

.close-btn {
    position: absolute;
    top: -40px;
    right: 0;
    color: white;
    font-size: 32px;
    font-weight: bold;
    cursor: pointer;
    background: rgba(0, 0, 0, 0.5);
    border-radius: 50%;
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.3s ease;
}

.close-btn:hover {
    background: rgba(255, 255, 255, 0.2);
    transform: scale(1.1);
}

.modal-caption {
    text-align: center;
    color: white;
    font-size: 18px;
    font-weight: 500;
    margin-top: 16px;
    padding: 12px;
    background: rgba(0, 0, 0, 0.5);
    border-radius: 8px;
    backdrop-filter: blur(10px);
}

@keyframes zoomIn {
    from {
        transform: scale(0.5);
        opacity: 0;
    }
    to {
        transform: scale(1);
        opacity: 1;
    }
}

/* Footer Section */
.footer-section {
    margin-top: 60px;
    padding: 40px 0;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    animation: fadeIn 1s ease-out 1s both;
}

@keyframes fadeIn {
    from {
        opacity: 0;
    }
    to {
        opacity: 1;
    }
}

.recognition-info {
    text-align: center;
    background: rgba(255, 255, 255, 0.05);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 20px;
    padding: 30px;
    max-width: 600px;
    margin: 0 auto;
}

.recognition-info h3 {
    font-size: 24px;
    margin-bottom: 16px;
    background: linear-gradient(45deg, #ffeb3b, #ff9800);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.recognition-info p {
    font-size: 16px;
    margin-bottom: 20px;
    opacity: 0.9;
}

.footer-contacts {
    display: flex;
    gap: 20px;
    justify-content: center;
    flex-wrap: wrap;
}

.footer-contact {
    background: rgba(255, 255, 255, 0.1);
    border: 1px solid rgba(255, 255, 255, 0.2);
    border-radius: 12px;
    padding: 12px 20px;
    font-size: 16px;
    font-weight: 500;
    transition: all 0.3s ease;
}

.footer-contact:hover {
    background: rgba(255, 255, 255, 0.2);
    transform: translateY(-2px);
}

@keyframes float {
    0%, 100% {
        transform: translateY(0px);
    }
    50% {
        transform: translateY(-10px);
    }
}

.software-card h3 {
    font-size: 20px;
    font-weight: 600;
    margin-bottom: 8px;
}

.software-card p {
    font-size: 14px;
    opacity: 0.8;
    margin-bottom: 16px;
}

.download-btn {
    background: linear-gradient(45deg, #ff6b6b, #4ecdc4);
    color: white;
    padding: 12px 24px;
    border-radius: 25px;
    font-weight: 600;
    font-size: 14px;
    transition: all 0.3s ease;
    display: inline-block;
}

.download-btn:hover {
    transform: scale(1.05);
    box-shadow: 0 8px 20px rgba(0, 0, 0, 0.3);
}


/* Responsive Design */
@media (max-width: 768px) {
    .container {
        padding: 20px 16px;
    }
    
    .software-grid {
        grid-template-columns: 1fr;
        gap: 16px;
    }
    
    .contact-tags {
        flex-direction: column;
        align-items: center;
    }
    
    .gallery-grid {
        grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
        gap: 16px;
    }
    
    .footer-contacts {
        flex-direction: column;
        align-items: center;
    }
}

@media (max-width: 480px) {
    .container {
        padding: 16px;
    }
    
    .avatar {
        width: 100px;
        height: 100px;
    }
    
    .profile-info h1 {
        font-size: 24px;
    }
    
    .section-title {
        font-size: 20px;
    }
    
    .software-card {
        padding: 20px;
    }
    
    .gallery-toggle {
        padding: 16px;
        font-size: 16px;
    }
    
    .recognition-info {
        padding: 24px;
    }
}

/* Loading Animation */
@keyframes shimmer {
    0% {
        background-position: -200px 0;
    }
    100% {
        background-position: calc(200px + 100%) 0;
    }
}

.loading {
    background: linear-gradient(90deg, #f0f0f0 25%, #e0e0e0 50%, #f0f0f0 75%);
    background-size: 200px 100%;
    animation: shimmer 1.5s infinite;
}