/* Reset and Base Styles */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

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

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

/* Navigation */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid rgba(0, 0, 0, 0.1);
    z-index: 1000;
    transition: all 0.3s ease;
}

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 70px;
}

.nav-logo {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 1.5rem;
    font-weight: 700;
    color: #1890ff;
}

.nav-logo i {
    font-size: 1.8rem;
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: 30px;
}

.nav-menu a {
    text-decoration: none;
    color: #333;
    font-weight: 500;
    transition: color 0.3s ease;
    position: relative;
}

.nav-menu a:hover {
    color: #1890ff;
}

.nav-menu a::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 0;
    height: 2px;
    background: #1890ff;
    transition: width 0.3s ease;
}

.nav-menu a:hover::after {
    width: 100%;
}

.nav-cta .btn-primary {
    background: #1890ff;
    color: white;
    padding: 10px 20px;
    border-radius: 25px;
    text-decoration: none;
    font-weight: 500;
    transition: all 0.3s ease;
    border: none;
    cursor: pointer;
}

.nav-cta .btn-primary:hover {
    background: #40a9ff;
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(24, 144, 255, 0.3);
}

.hamburger {
    display: none;
    flex-direction: column;
    cursor: pointer;
    gap: 4px;
}

.hamburger span {
    width: 25px;
    height: 3px;
    background: #333;
    transition: all 0.3s ease;
}

/* Buttons */
.btn-primary {
    background: #1890ff;
    color: white;
    padding: 12px 24px;
    border-radius: 8px;
    text-decoration: none;
    font-weight: 500;
    transition: all 0.3s ease;
    border: none;
    cursor: pointer;
    display: inline-flex;
    align-items: center;
    gap: 8px;
}

.btn-primary:hover {
    background: #40a9ff;
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(24, 144, 255, 0.3);
}

.btn-secondary {
    background: transparent;
    color: #1890ff;
    padding: 12px 24px;
    border: 2px solid #1890ff;
    border-radius: 8px;
    text-decoration: none;
    font-weight: 500;
    transition: all 0.3s ease;
    cursor: pointer;
    display: inline-flex;
    align-items: center;
    gap: 8px;
}

.btn-secondary:hover {
    background: #1890ff;
    color: white;
    transform: translateY(-2px);
}

.btn-large {
    padding: 16px 32px;
    font-size: 1.1rem;
}

/* Hero Section */
.hero {
    padding: 120px 0 80px;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    overflow: hidden;
    position: relative;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 100"><defs><pattern id="grain" width="100" height="100" patternUnits="userSpaceOnUse"><circle cx="50" cy="50" r="1" fill="rgba(255,255,255,0.1)"/></pattern></defs><rect width="100" height="100" fill="url(%23grain)"/></svg>');
    opacity: 0.3;
}

.hero-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
    position: relative;
    z-index: 1;
}

.hero-title {
    font-size: 3.5rem;
    font-weight: 700;
    line-height: 1.2;
    margin-bottom: 20px;
}

.highlight {
    background: linear-gradient(45deg, #ffd700, #ffed4e);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-subtitle {
    font-size: 1.2rem;
    opacity: 0.9;
    margin-bottom: 40px;
    line-height: 1.6;
}

.hero-buttons {
    display: flex;
    gap: 20px;
    margin-bottom: 60px;
}

.hero-stats {
    display: flex;
    gap: 40px;
}

.stat {
    text-align: center;
}

.stat-number {
    display: block;
    font-size: 2rem;
    font-weight: 700;
    color: #ffd700;
}

.stat-label {
    font-size: 0.9rem;
    opacity: 0.8;
}

/* Hero Mockup */
.hero-mockup {
    display: flex;
    justify-content: center;
    align-items: center;
}

.mockup-screen {
    background: white;
    border-radius: 20px;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.3);
    overflow: hidden;
    width: 300px;
    height: 500px;
    transform: perspective(1000px) rotateY(-15deg) rotateX(5deg);
    transition: transform 0.3s ease;
}

.mockup-screen:hover {
    transform: perspective(1000px) rotateY(-10deg) rotateX(2deg);
}

.screen-header {
    background: #f8f9fa;
    padding: 15px 20px;
    display: flex;
    align-items: center;
    gap: 10px;
    border-bottom: 1px solid #e9ecef;
}

.screen-dots {
    display: flex;
    gap: 5px;
}

.screen-dots span {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: #dee2e6;
}

.screen-dots span:first-child {
    background: #ff5f57;
}

.screen-dots span:nth-child(2) {
    background: #ffbd2e;
}

.screen-dots span:last-child {
    background: #28ca42;
}

.screen-title {
    font-weight: 600;
    color: #333;
    margin-left: 10px;
}

.screen-content {
    padding: 20px;
    height: calc(100% - 60px);
    overflow-y: auto;
}

/* Chat Messages */
.chat-message {
    display: flex;
    gap: 10px;
    margin-bottom: 15px;
    align-items: flex-start;
}

.chat-message.user {
    flex-direction: row-reverse;
}

.message-avatar {
    width: 32px;
    height: 32px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 0.8rem;
    flex-shrink: 0;
}

.chat-message.user .message-avatar {
    background: #52c41a;
}

.chat-message.ai .message-avatar {
    background: #1890ff;
}

.message-content {
    background: #f0f0f0;
    padding: 10px 15px;
    border-radius: 15px;
    max-width: 200px;
    font-size: 0.9rem;
    line-height: 1.4;
}

.chat-message.user .message-content {
    background: #1890ff;
    color: white;
}

/* Section Styles */
.section-header {
    text-align: center;
    margin-bottom: 60px;
}

.section-title {
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: 15px;
    color: #333;
}

.section-subtitle {
    font-size: 1.1rem;
    color: #666;
    max-width: 600px;
    margin: 0 auto;
}

/* Features Section */
.features {
    padding: 100px 0;
    background: #f8f9fa;
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 30px;
}

.feature-card {
    background: white;
    padding: 40px 30px;
    border-radius: 15px;
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.1);
    transition: all 0.3s ease;
    border: 1px solid #e9ecef;
}

.feature-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 15px 40px rgba(0, 0, 0, 0.15);
}

.feature-icon {
    width: 60px;
    height: 60px;
    background: linear-gradient(135deg, #1890ff, #40a9ff);
    border-radius: 15px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 20px;
    color: white;
    font-size: 1.5rem;
}

.feature-title {
    font-size: 1.3rem;
    font-weight: 600;
    margin-bottom: 15px;
    color: #333;
}

.feature-description {
    color: #666;
    margin-bottom: 20px;
    line-height: 1.6;
}

.feature-list {
    list-style: none;
}

.feature-list li {
    padding: 5px 0;
    color: #666;
    position: relative;
    padding-left: 20px;
}

.feature-list li::before {
    content: '✓';
    position: absolute;
    left: 0;
    color: #52c41a;
    font-weight: bold;
}

/* Screenshots Section */
.screenshots {
    padding: 100px 0;
    background: white;
}

.screenshots-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 40px;
}

.screenshot-item {
    text-align: center;
}

.screenshot-frame {
    background: #f8f9fa;
    border-radius: 15px;
    padding: 20px;
    margin-bottom: 20px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
}

.screenshot-content {
    background: white;
    border-radius: 10px;
    overflow: hidden;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
}

.screenshot-header {
    background: #f8f9fa;
    padding: 10px 15px;
    display: flex;
    align-items: center;
    gap: 8px;
    border-bottom: 1px solid #e9ecef;
}

.screenshot-dots {
    display: flex;
    gap: 4px;
}

.screenshot-dots span {
    width: 6px;
    height: 6px;
    border-radius: 50%;
    background: #dee2e6;
}

.screenshot-dots span:first-child {
    background: #ff5f57;
}

.screenshot-dots span:nth-child(2) {
    background: #ffbd2e;
}

.screenshot-dots span:last-child {
    background: #28ca42;
}

.screenshot-title {
    font-size: 0.9rem;
    font-weight: 500;
    color: #333;
    margin-left: 8px;
}

.screenshot-body {
    padding: 20px;
    min-height: 200px;
}

/* Chat Interface */
.chat-interface {
    display: flex;
    flex-direction: column;
    gap: 10px;
}

/* Image Analysis */
.image-analysis {
    text-align: center;
}

.upload-area {
    border: 2px dashed #d9d9d9;
    border-radius: 10px;
    padding: 30px;
    margin-bottom: 20px;
    color: #999;
}

.upload-area i {
    font-size: 2rem;
    margin-bottom: 10px;
    display: block;
}

.analysis-result {
    text-align: left;
}

.result-item {
    display: flex;
    justify-content: space-between;
    padding: 8px 0;
    border-bottom: 1px solid #f0f0f0;
}

.result-label {
    color: #666;
}

.result-value {
    font-weight: 500;
    color: #52c41a;
}

/* History List */
.history-list {
    display: flex;
    flex-direction: column;
    gap: 15px;
}

.history-item {
    display: flex;
    align-items: center;
    gap: 15px;
    padding: 15px;
    background: #f8f9fa;
    border-radius: 10px;
}

.history-icon {
    width: 40px;
    height: 40px;
    background: #1890ff;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
}

.history-content h4 {
    font-size: 1rem;
    margin-bottom: 5px;
    color: #333;
}

.history-content p {
    font-size: 0.8rem;
    color: #666;
}

.screenshot-item h3 {
    font-size: 1.2rem;
    font-weight: 600;
    margin-bottom: 10px;
    color: #333;
}

.screenshot-description {
    color: #666;
    font-size: 0.9rem;
}

/* Technology Section */
.technology {
    padding: 100px 0;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
}

.technology-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 30px;
}

.tech-item {
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(10px);
    padding: 30px;
    border-radius: 15px;
    text-align: center;
    border: 1px solid rgba(255, 255, 255, 0.2);
    transition: all 0.3s ease;
}

.tech-item:hover {
    transform: translateY(-10px);
    background: rgba(255, 255, 255, 0.15);
}

.tech-icon {
    width: 60px;
    height: 60px;
    background: rgba(255, 255, 255, 0.2);
    border-radius: 15px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 20px;
    font-size: 1.5rem;
}

.tech-title {
    font-size: 1.2rem;
    font-weight: 600;
    margin-bottom: 15px;
}

.tech-description {
    margin-bottom: 20px;
    opacity: 0.9;
    line-height: 1.6;
}

.tech-features {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    justify-content: center;
}

.tech-tag {
    background: rgba(255, 255, 255, 0.2);
    padding: 4px 12px;
    border-radius: 15px;
    font-size: 0.8rem;
    border: 1px solid rgba(255, 255, 255, 0.3);
}

/* Contact Section */
.contact {
    padding: 100px 0;
    background: #f8f9fa;
}

.contact-content {
    max-width: 800px;
    margin: 0 auto;
}

.contact-info {
    display: flex;
    flex-direction: column;
    gap: 30px;
}

.contact-item {
    display: flex;
    align-items: center;
    gap: 30px;
    background: white;
    padding: 30px;
    border-radius: 15px;
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.1);
    transition: all 0.3s ease;
}

.contact-item:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.15);
}

.contact-icon {
    width: 60px;
    height: 60px;
    background: linear-gradient(135deg, #1890ff, #40a9ff);
    border-radius: 15px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 1.5rem;
    flex-shrink: 0;
}

.contact-details h3 {
    font-size: 1.3rem;
    font-weight: 600;
    margin-bottom: 10px;
    color: #333;
}

.contact-details p {
    color: #666;
    margin-bottom: 15px;
    line-height: 1.6;
}

/* Footer */
.footer {
    background: #1a1a1a;
    color: white;
    padding: 60px 0 20px;
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 40px;
    margin-bottom: 40px;
}

.footer-logo {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 1.5rem;
    font-weight: 700;
    color: #1890ff;
    margin-bottom: 15px;
}

.footer-description {
    color: #ccc;
    line-height: 1.6;
}

.footer-title {
    font-size: 1.1rem;
    font-weight: 600;
    margin-bottom: 20px;
    color: white;
}

.footer-links {
    list-style: none;
}

.footer-links li {
    margin-bottom: 10px;
}

.footer-links a {
    color: #ccc;
    text-decoration: none;
    transition: color 0.3s ease;
}

.footer-links a:hover {
    color: #1890ff;
}

.footer-contact p {
    color: #ccc;
    margin-bottom: 10px;
    display: flex;
    align-items: center;
    gap: 10px;
}

.footer-social {
    display: flex;
    gap: 15px;
    margin-top: 15px;
}

.footer-social a {
    width: 40px;
    height: 40px;
    background: #333;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    text-decoration: none;
    transition: all 0.3s ease;
}

.footer-social a:hover {
    background: #1890ff;
    transform: translateY(-2px);
}

.footer-bottom {
    border-top: 1px solid #333;
    padding-top: 20px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    color: #ccc;
}

.footer-bottom-links {
    display: flex;
    gap: 20px;
}

.footer-bottom-links a {
    color: #ccc;
    text-decoration: none;
    transition: color 0.3s ease;
}

.footer-bottom-links a:hover {
    color: #1890ff;
}

.icp-info {
    margin-top: 15px;
    text-align: center;
}

.icp-info p {
    margin: 0;
    font-size: 0.9rem;
    color: #999;
}

.icp-info a {
    color: #999;
    text-decoration: none;
    transition: color 0.3s ease;
}

.icp-info a:hover {
    color: #1890ff;
}

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

@keyframes fadeInLeft {
    from {
        opacity: 0;
        transform: translateX(-30px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

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

.animate-fadeInUp {
    animation: fadeInUp 0.6s ease-out;
}

.animate-fadeInLeft {
    animation: fadeInLeft 0.6s ease-out;
}

.animate-fadeInRight {
    animation: fadeInRight 0.6s ease-out;
}

/* Scroll animations */
.scroll-animate {
    opacity: 0;
    transform: translateY(30px);
    transition: all 0.6s ease-out;
}

.scroll-animate.animate {
    opacity: 1;
    transform: translateY(0);
}

/* Disclaimer Page Styles */
.disclaimer-page {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    min-height: 100vh;
}

.disclaimer-content {
    max-width: 900px;
    margin: 0 auto;
    background: linear-gradient(135deg, #ffffff 0%, #f8f9fa 100%);
    padding: 50px;
    border-radius: 20px;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.1);
    border: 1px solid rgba(255, 255, 255, 0.2);
    position: relative;
    overflow: hidden;
    backdrop-filter: blur(10px);
}

.disclaimer-content::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(90deg, #3498db, #2ecc71, #f39c12, #e74c3c);
}

.disclaimer-content::after {
    content: '';
    position: absolute;
    top: -50%;
    right: -50%;
    width: 200%;
    height: 200%;
    background: radial-gradient(circle, rgba(52, 152, 219, 0.05) 0%, transparent 70%);
    pointer-events: none;
    z-index: -1;
}

.disclaimer-title {
    font-size: 3rem;
    background: linear-gradient(135deg, #2c3e50, #3498db);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    text-align: center;
    margin-bottom: 50px;
    font-weight: 800;
    position: relative;
}

.disclaimer-title::after {
    content: '';
    position: absolute;
    bottom: -15px;
    left: 50%;
    transform: translateX(-50%);
    width: 80px;
    height: 4px;
    background: linear-gradient(90deg, #3498db, #2ecc71);
    border-radius: 2px;
}

.disclaimer-section {
    margin-bottom: 40px;
    background: rgba(255, 255, 255, 0.7);
    padding: 30px;
    border-radius: 15px;
    border: 1px solid rgba(52, 152, 219, 0.1);
    transition: all 0.3s ease;
    position: relative;
    opacity: 0;
    transform: translateY(20px);
    animation: fadeInUp 0.6s ease-out forwards;
}

.disclaimer-section:nth-child(2) { animation-delay: 0.1s; }
.disclaimer-section:nth-child(3) { animation-delay: 0.2s; }
.disclaimer-section:nth-child(4) { animation-delay: 0.3s; }
.disclaimer-section:nth-child(5) { animation-delay: 0.4s; }
.disclaimer-section:nth-child(6) { animation-delay: 0.5s; }
.disclaimer-section:nth-child(7) { animation-delay: 0.6s; }
.disclaimer-section:nth-child(8) { animation-delay: 0.7s; }
.disclaimer-section:nth-child(9) { animation-delay: 0.8s; }
.disclaimer-section:nth-child(10) { animation-delay: 0.9s; }

.disclaimer-section:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 30px rgba(52, 152, 219, 0.1);
    border-color: rgba(52, 152, 219, 0.2);
}

.disclaimer-section h2 {
    font-size: 1.6rem;
    color: #2c3e50;
    margin-bottom: 20px;
    font-weight: 700;
    position: relative;
    padding-left: 20px;
}

.disclaimer-section h2::before {
    content: '';
    position: absolute;
    left: 0;
    top: 50%;
    transform: translateY(-50%);
    width: 6px;
    height: 30px;
    background: linear-gradient(135deg, #3498db, #2ecc71);
    border-radius: 3px;
}

.disclaimer-section p {
    line-height: 1.8;
    color: #555;
    margin-bottom: 15px;
    font-size: 1rem;
}

.disclaimer-section ul {
    margin: 20px 0;
    padding-left: 0;
    list-style: none;
}

.disclaimer-section li {
    line-height: 1.8;
    color: #555;
    margin-bottom: 12px;
    padding-left: 25px;
    position: relative;
    font-size: 1rem;
}

.disclaimer-section li::before {
    content: '▶';
    position: absolute;
    left: 0;
    top: 0;
    color: #3498db;
    font-weight: bold;
    font-size: 0.8rem;
    transform: rotate(0deg);
    transition: transform 0.3s ease;
}

.disclaimer-section li:hover::before {
    transform: rotate(90deg);
}

.disclaimer-footer {
    background: linear-gradient(135deg, #fff5f5 0%, #ffe6e6 100%);
    padding: 30px;
    border-radius: 15px;
    border-left: 6px solid #e74c3c;
    margin-top: 50px;
    position: relative;
    box-shadow: 0 10px 30px rgba(231, 76, 60, 0.1);
}

.disclaimer-footer::before {
    content: '⚠️';
    position: absolute;
    top: 20px;
    right: 20px;
    font-size: 1.5rem;
}

.disclaimer-footer p {
    margin-bottom: 15px;
    font-weight: 600;
    color: #2c3e50;
    font-size: 1.05rem;
}

.disclaimer-date {
    font-size: 0.9rem;
    color: #7f8c8d;
    font-style: italic;
    text-align: right;
    margin-top: 20px;
    padding-top: 15px;
    border-top: 1px solid rgba(231, 76, 60, 0.2);
}

/* Company Homepage Styles */
.about {
    padding: 80px 0;
    background: #f8f9fa;
}

.about-content {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: 60px;
    align-items: start;
}

.about-text h3 {
    color: #2c3e50;
    margin-bottom: 20px;
    font-size: 1.5rem;
}

.about-text p {
    line-height: 1.8;
    color: #666;
    margin-bottom: 30px;
}

.advantage-list {
    list-style: none;
    padding: 0;
}

.advantage-list li {
    display: flex;
    align-items: center;
    margin-bottom: 15px;
    color: #555;
}

.advantage-list i {
    color: #2ecc71;
    margin-right: 15px;
    font-size: 1.2rem;
}

.about-stats {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 30px;
}

.stat-item {
    text-align: center;
    padding: 30px 20px;
    background: white;
    border-radius: 15px;
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.1);
}

.stat-number {
    font-size: 2.5rem;
    font-weight: bold;
    color: #3498db;
    margin-bottom: 10px;
}

.stat-label {
    color: #666;
    font-size: 0.9rem;
}

.products {
    padding: 80px 0;
    background: white;
}

.products-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 40px;
    margin-top: 60px;
}

.product-card {
    background: white;
    padding: 40px 30px;
    border-radius: 20px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
    text-align: center;
    transition: all 0.3s ease;
    border: 1px solid #f0f0f0;
}

.product-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 20px 50px rgba(0, 0, 0, 0.15);
}

.product-icon {
    width: 80px;
    height: 80px;
    background: linear-gradient(135deg, #3498db, #2ecc71);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 30px;
}

.product-icon i {
    font-size: 2rem;
    color: white;
}

.product-card h3 {
    color: #2c3e50;
    margin-bottom: 20px;
    font-size: 1.5rem;
}

.product-card p {
    color: #666;
    line-height: 1.6;
    margin-bottom: 30px;
}

.product-link {
    display: inline-flex;
    align-items: center;
    color: #3498db;
    text-decoration: none;
    font-weight: 600;
    transition: all 0.3s ease;
}

.product-link:hover {
    color: #2980b9;
    transform: translateX(5px);
}

.product-link i {
    margin-left: 8px;
    transition: transform 0.3s ease;
}

.product-link:hover i {
    transform: translateX(3px);
}

.technology {
    padding: 80px 0;
    background: #f8f9fa;
}

.tech-categories {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 30px;
    margin-top: 60px;
}

.tech-category {
    background: white;
    padding: 40px 30px;
    border-radius: 15px;
    text-align: center;
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.1);
    transition: all 0.3s ease;
}

.tech-category:hover {
    transform: translateY(-5px);
    box-shadow: 0 15px 40px rgba(0, 0, 0, 0.15);
}

.tech-category h3 {
    color: #2c3e50;
    margin-bottom: 20px;
    font-size: 1.3rem;
}

.tech-category h3 i {
    color: #3498db;
    margin-right: 10px;
}

.tech-category p {
    color: #666;
    line-height: 1.6;
}

.contact {
    padding: 80px 0;
    background: white;
}

.contact-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    margin-top: 60px;
}

.contact-info {
    display: flex;
    flex-direction: column;
    gap: 30px;
}

.contact-item {
    display: flex;
    align-items: center;
    gap: 20px;
}

.contact-item i {
    width: 50px;
    height: 50px;
    background: linear-gradient(135deg, #3498db, #2ecc71);
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.2rem;
}

.contact-item h4 {
    color: #2c3e50;
    margin-bottom: 5px;
}

.contact-item p {
    color: #666;
    margin: 0;
}

.contact-form {
    background: #f8f9fa;
    padding: 40px;
    border-radius: 15px;
}

.contact-form h3 {
    color: #2c3e50;
    margin-bottom: 30px;
    text-align: center;
}

.form-group {
    margin-bottom: 20px;
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 15px;
    border: 1px solid #ddd;
    border-radius: 8px;
    font-size: 1rem;
    transition: border-color 0.3s ease;
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: #3498db;
}

.form-group textarea {
    resize: vertical;
    min-height: 120px;
}

.ai-visualization {
    width: 100%;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    border-radius: 10px;
}

.neural-network {
    position: relative;
    width: 200px;
    height: 200px;
}

.node {
    position: absolute;
    width: 20px;
    height: 20px;
    background: rgba(255, 255, 255, 0.8);
    border-radius: 50%;
    animation: pulse 2s infinite;
}

.node:nth-child(1) { top: 20px; left: 50px; animation-delay: 0s; }
.node:nth-child(2) { top: 60px; left: 20px; animation-delay: 0.3s; }
.node:nth-child(3) { top: 100px; left: 50px; animation-delay: 0.6s; }
.node:nth-child(4) { top: 60px; left: 80px; animation-delay: 0.9s; }
.node:nth-child(5) { top: 140px; left: 20px; animation-delay: 1.2s; }
.node:nth-child(6) { top: 140px; left: 80px; animation-delay: 1.5s; }

@keyframes pulse {
    0%, 100% { opacity: 0.3; transform: scale(1); }
    50% { opacity: 1; transform: scale(1.2); }
}

/* Important Notice Styles */
.important-notice {
    background: linear-gradient(135deg, #fff3cd 0%, #ffeaa7 100%);
    border-bottom: 3px solid #f39c12;
    padding: 15px 0;
    position: relative;
    z-index: 100;
}

.notice-content {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 15px;
    text-align: center;
}

.notice-content i {
    color: #e67e22;
    font-size: 1.2rem;
    flex-shrink: 0;
}

.notice-content p {
    margin: 0;
    color: #8b4513;
    font-weight: 500;
    font-size: 0.95rem;
    line-height: 1.5;
}

/* Disclaimer Responsive Design */
@media (max-width: 768px) {
    .disclaimer-content {
        padding: 30px 20px;
        margin: 20px;
        border-radius: 15px;
    }
    
    .disclaimer-title {
        font-size: 2.2rem;
        margin-bottom: 30px;
    }
    
    .disclaimer-section {
        padding: 20px;
        margin-bottom: 25px;
    }
    
    .disclaimer-section h2 {
        font-size: 1.4rem;
        margin-bottom: 15px;
    }
    
    .disclaimer-footer {
        padding: 20px;
        margin-top: 30px;
    }
    
    .notice-content {
        flex-direction: column;
        gap: 10px;
    }
    
    .notice-content p {
        font-size: 0.9rem;
    }
}

@media (max-width: 480px) {
    .disclaimer-content {
        padding: 20px 15px;
        margin: 10px;
    }
    
    .disclaimer-title {
        font-size: 1.8rem;
    }
    
    .disclaimer-section {
        padding: 15px;
    }
    
    .disclaimer-section h2 {
        font-size: 1.2rem;
    }
}

/* AI家庭医生应用入口样式 */
.nav-app {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white !important;
    padding: 8px 16px !important;
    border-radius: 20px;
    font-weight: 600;
    transition: all 0.3s ease;
    box-shadow: 0 2px 8px rgba(102, 126, 234, 0.3);
}

.nav-app:hover {
    background: linear-gradient(135deg, #5a6fd8 0%, #6a4190 100%);
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(102, 126, 234, 0.4);
    color: white !important;
}

.nav-app i {
    margin-right: 6px;
    font-size: 0.9em;
}