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

:root {
    --primary-color: #2D8CFF;
    --secondary-color: #0066CC;
    --accent-color: #00D4FF;
    --dark-bg: #0A0E27;
    --dark-card: #111836;
    --light-bg: #F5F7FA;
    --text-primary: #FFFFFF;
    --text-secondary: #B8BCC8;
    --gradient-primary: linear-gradient(135deg, #2D8CFF 0%, #0066CC 100%);
    --gradient-accent: linear-gradient(135deg, #00D4FF 0%, #2D8CFF 100%);
    --shadow-card: 0 8px 32px rgba(45, 140, 255, 0.15);
    --shadow-glow: 0 0 40px rgba(0, 212, 255, 0.3);
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    background: var(--light-bg);
    color: #333;
    line-height: 1.6;
}

#targetDiv {
    min-height: 100vh;
}

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

.header {
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    box-shadow: 0 2px 20px rgba(0, 0, 0, 0.1);
}

.nav {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 15px 20px;
    max-width: 1200px;
    margin: 0 auto;
}

.logo {
    font-size: 28px;
    font-weight: 800;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

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

.nav-menu a {
    text-decoration: none;
    color: #333;
    font-weight: 500;
    font-size: 15px;
    transition: all 0.3s ease;
    position: relative;
}

.nav-menu a::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--gradient-primary);
    transition: width 0.3s ease;
}

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

.nav-menu a:hover,
.nav-menu a.active {
    color: var(--primary-color);
}

.btn {
    display: inline-block;
    padding: 12px 28px;
    border-radius: 8px;
    text-decoration: none;
    font-weight: 600;
    font-size: 14px;
    transition: all 0.3s ease;
    cursor: pointer;
    border: none;
}

.btn-header {
    background: var(--gradient-primary);
    color: white;
    box-shadow: 0 4px 15px rgba(45, 140, 255, 0.3);
}

.btn-header:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(45, 140, 255, 0.4);
}

.hero {
    padding: 120px 20px 80px;
    background: linear-gradient(135deg, #0A0E27 0%, #111836 100%);
    position: relative;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: radial-gradient(circle at 20% 50%, rgba(0, 212, 255, 0.1) 0%, transparent 50%),
                radial-gradient(circle at 80% 50%, rgba(45, 140, 255, 0.1) 0%, transparent 50%);
}

.hero-content {
    position: relative;
    z-index: 1;
    max-width: 800px;
    margin: 0 auto;
    text-align: center;
}

.hero-title {
    font-size: 56px;
    font-weight: 800;
    color: white;
    margin-bottom: 20px;
    line-height: 1.2;
}

.hero-subtitle {
    font-size: 20px;
    color: var(--text-secondary);
    margin-bottom: 40px;
}

.hero-stats {
    display: flex;
    gap: 40px;
    margin-top: 50px;    justify-content: center;
}

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

.stat-number {
    display: block;
    font-size: 32px;
    font-weight: 700;
    background: var(--gradient-accent);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.stat-label {
    font-size: 14px;
    color: var(--text-secondary);
}

.hero-visual {
    flex: 1;
    display: flex;
    justify-content: center;
}

.video-preview {
    width: 100%;
    max-width: 500px;
    background: var(--dark-card);
    border-radius: 20px;
    padding: 20px;
    box-shadow: var(--shadow-glow);
}

.video-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 15px;
}

.video-participant {
    aspect-ratio: 16/9;
    background: linear-gradient(135deg, #1a2342 0%, #2D8CFF 100%);
    border-radius: 12px;
    animation: pulse 2s ease-in-out infinite;
}

@keyframes pulse {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.7; }
}

.btn-hero {
    background: var(--gradient-accent);
    color: white;
    padding: 16px 40px;
    font-size: 16px;
    box-shadow: 0 4px 20px rgba(0, 212, 255, 0.4);
}

.btn-hero:hover {
    transform: translateY(-3px);
    box-shadow: 0 8px 30px rgba(0, 212, 255, 0.5);
}

.section {
    padding: 80px 20px;
}

.section-title {
    font-size: 36px;
    font-weight: 700;
    text-align: center;
    margin-bottom: 15px;
    color: #333;
}

.section-subtitle {
    font-size: 16px;
    text-align: center;
    color: #666;
    margin-bottom: 50px;
}

.section-features {
    background: white;
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
    max-width: 1200px;
    margin: 0 auto;
}

.feature-card {
    background: var(--light-bg);
    padding: 40px 30px;
    border-radius: 16px;
    text-align: center;
    transition: all 0.3s ease;
    border: 1px solid transparent;
}

.feature-card:hover {
    transform: translateY(-10px);
    box-shadow: var(--shadow-card);
    border-color: var(--primary-color);
    background: white;
}

.feature-icon {
    font-size: 48px;
    margin-bottom: 20px;
}

.feature-card h3 {
    font-size: 20px;
    font-weight: 600;
    margin-bottom: 15px;
    color: #333;
}

.feature-card p {
    color: #666;
    font-size: 14px;
    line-height: 1.6;
}

.section-download {
    background: linear-gradient(135deg, #0A0E27 0%, #111836 100%);
    position: relative;
    overflow: hidden;
}

.section-download::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: radial-gradient(circle at 70% 30%, rgba(0, 212, 255, 0.1) 0%, transparent 50%);
}

.download-content {
    display: flex;
    align-items: center;
    gap: 60px;
    max-width: 1200px;
    margin: 0 auto;
    position: relative;
    z-index: 1;
}

.download-info {
    flex: 1;
}

.download-info .section-title,
.download-info .section-subtitle {
    text-align: left;
    color: white;
}

.download-info .section-subtitle {
    color: var(--text-secondary);
}

.download-platforms {
    display: flex;
    flex-direction: column;
    gap: 15px;
    margin: 30px 0;
}

.download-platform {
    display: flex;
    align-items: center;
    gap: 20px;
    padding: 20px;
    background: rgba(255, 255, 255, 0.05);
    border-radius: 12px;
    text-decoration: none;
    color: white;
    transition: all 0.3s ease;
    border: 1px solid rgba(255, 255, 255, 0.1);
}

.download-platform:hover {
    background: rgba(255, 255, 255, 0.1);
    border-color: var(--primary-color);
    transform: translateX(5px);
}

.platform-icon {
    font-size: 32px;
}

.platform-info {
    flex: 1;
}

.platform-name {
    display: block;
    font-weight: 600;
    font-size: 16px;
}

.platform-version {
    display: block;
    font-size: 12px;
    color: var(--text-secondary);
}

.download-arrow {
    font-size: 24px;
    color: var(--accent-color);
}

.btn-download {
    background: var(--gradient-accent);
    color: white;
    padding: 16px 40px;
    font-size: 16px;
    box-shadow: 0 4px 20px rgba(0, 212, 255, 0.4);
}

.btn-download:hover {
    transform: translateY(-3px);
    box-shadow: 0 8px 30px rgba(0, 212, 255, 0.5);
}

.download-visual {
    flex: 1;
    display: flex;
    justify-content: center;
}

.device-mockup {
    width: 300px;
    height: 500px;
    background: var(--dark-card);
    border-radius: 30px;
    padding: 15px;
    box-shadow: var(--shadow-glow);
    position: relative;
}

.device-mockup::before {
    content: '';
    position: absolute;
    top: 20px;
    left: 50%;
    transform: translateX(-50%);
    width: 80px;
    height: 6px;
    background: rgba(255, 255, 255, 0.2);
    border-radius: 3px;
}

.device-screen {
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, #1a2342 0%, #2D8CFF 100%);
    border-radius: 20px;
}

.section-solutions {
    background: white;
}

.solutions-list {
    max-width: 900px;
    margin: 0 auto;
}

.solution-item {
    display: flex;
    align-items: center;
    gap: 30px;
    padding: 40px;
    background: var(--light-bg);
    border-radius: 16px;
    margin-bottom: 20px;
    transition: all 0.3s ease;
}

.solution-item:hover {
    transform: translateX(10px);
    box-shadow: var(--shadow-card);
    background: white;
}

.solution-number {
    font-size: 48px;
    font-weight: 800;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    min-width: 80px;
}

.solution-content h3 {
    font-size: 22px;
    font-weight: 600;
    margin-bottom: 10px;
    color: #333;
}

.solution-content p {
    color: #666;
    font-size: 14px;
}

.section-pricing {
    background: var(--light-bg);
}

.pricing-cards {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 30px;
    max-width: 1000px;
    margin: 0 auto;
}

.pricing-card {
    background: white;
    border-radius: 20px;
    padding: 40px 30px;
    text-align: center;
    transition: all 0.3s ease;
    position: relative;
    border: 2px solid transparent;
}

.pricing-card:hover {
    transform: translateY(-10px);
    box-shadow: var(--shadow-card);
}

.pricing-card.pricing-pro {
    border-color: var(--primary-color);
    background: linear-gradient(135deg, #ffffff 0%, #f0f7ff 100%);
}

.pricing-badge {
    position: absolute;
    top: -15px;
    left: 50%;
    transform: translateX(-50%);
    background: var(--gradient-primary);
    color: white;
    padding: 5px 20px;
    border-radius: 20px;
    font-size: 12px;
    font-weight: 600;
}

.pricing-header h3 {
    font-size: 24px;
    font-weight: 600;
    margin-bottom: 15px;
    color: #333;
}

.pricing-price {
    font-size: 42px;
    font-weight: 800;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: 30px;
}

.pricing-price span {
    font-size: 16px;
    color: #666;
    -webkit-text-fill-color: #666;
}

.pricing-features {
    list-style: none;
    margin-bottom: 30px;
    text-align: left;
}

.pricing-features li {
    padding: 10px 0;
    color: #666;
    font-size: 14px;
}

.btn-pricing {
    width: 100%;
    background: var(--gradient-primary);
    color: white;
    padding: 14px;
}

.btn-pricing:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(45, 140, 255, 0.4);
}

.section-testimonials {
    background: white;
}

.testimonials-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
    max-width: 1000px;
    margin: 0 auto;
}

.testimonial-card {
    background: var(--light-bg);
    padding: 40px;
    border-radius: 16px;
    transition: all 0.3s ease;
}

.testimonial-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-card);
    background: white;
}

.testimonial-avatar {
    width: 60px;
    height: 60px;
    background: var(--gradient-primary);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 24px;
    margin-bottom: 20px;
}

.testimonial-text {
    color: #666;
    font-size: 15px;
    line-height: 1.8;
    margin-bottom: 20px;
    font-style: italic;
}

.testimonial-author {
    display: flex;
    flex-direction: column;
}

.author-name {
    font-weight: 600;
    color: #333;
}

.author-title {
    font-size: 13px;
    color: #999;
}

.footer {
    background: var(--dark-bg);
    color: white;
    padding: 60px 20px 30px;
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 40px;
    max-width: 1200px;
    margin: 0 auto;
    margin-bottom: 40px;
}

.footer-logo {
    font-size: 28px;
    font-weight: 800;
    background: var(--gradient-accent);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: 15px;
}

.footer-desc {
    color: var(--text-secondary);
    font-size: 14px;
    line-height: 1.6;
}

.footer-section h4 {
    font-size: 16px;
    font-weight: 600;
    margin-bottom: 20px;
    color: white;
}

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

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

.footer-links a {
    color: var(--text-secondary);
    text-decoration: none;
    font-size: 14px;
    transition: color 0.3s ease;
}

.footer-links a:hover {
    color: var(--accent-color);
}

.footer-bottom {
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    padding-top: 30px;
    text-align: center;
}

.copyright {
    color: var(--text-secondary);
    font-size: 13px;
}

.page-header {
    background: linear-gradient(135deg, #0A0E27 0%, #111836 100%);
    padding: 150px 20px 80px;
    text-align: center;
    position: relative;
    overflow: hidden;
}

.page-header::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: radial-gradient(circle at 50% 30%, rgba(0, 212, 255, 0.1) 0%, transparent 50%);
}

.page-title {
    font-size: 48px;
    font-weight: 800;
    color: white;
    margin-bottom: 15px;
    position: relative;
}

.page-subtitle {
    font-size: 18px;
    color: var(--text-secondary);
    position: relative;
}

.section-features-detail {
    background: white;
}

.feature-detail-item {
    display: flex;
    align-items: center;
    gap: 60px;
    padding: 60px 20px;
    border-bottom: 1px solid #eee;
}

.feature-detail-item:nth-child(even) {
    flex-direction: row-reverse;
}

.feature-detail-content {
    flex: 1;
}

.feature-detail-content h2 {
    font-size: 32px;
    font-weight: 700;
    margin-bottom: 20px;
    color: #333;
}

.feature-detail-content p {
    color: #666;
    font-size: 16px;
    line-height: 1.8;
    margin-bottom: 25px;
}

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

.feature-list li {
    padding: 8px 0;
    color: #666;
    font-size: 15px;
}

.feature-list li::before {
    content: '✓ ';
    color: var(--primary-color);
    font-weight: 700;
}

.feature-detail-visual {
    flex: 1;
    display: flex;
    justify-content: center;
}

.feature-icon-large {
    width: 200px;
    height: 200px;
    background: var(--light-bg);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 80px;
    box-shadow: var(--shadow-card);
}

.section-cta {
    background: linear-gradient(135deg, #0A0E27 0%, #111836 100%);
    padding: 80px 20px;
    text-align: center;
}

.section-cta h2 {
    font-size: 36px;
    font-weight: 700;
    color: white;
    margin-bottom: 15px;
}

.section-cta p {
    color: var(--text-secondary);
    font-size: 18px;
    margin-bottom: 30px;
}

.btn-cta {
    background: var(--gradient-accent);
    color: white;
    padding: 16px 50px;
    font-size: 16px;
    box-shadow: 0 4px 20px rgba(0, 212, 255, 0.4);
}

.btn-cta:hover {
    transform: translateY(-3px);
    box-shadow: 0 8px 30px rgba(0, 212, 255, 0.5);
}

.section-download-platforms {
    background: white;
}

.platforms-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 30px;
    max-width: 1200px;
    margin: 0 auto;
}

.platform-card {
    background: var(--light-bg);
    padding: 40px 30px;
    border-radius: 16px;
    text-align: center;
    transition: all 0.3s ease;
    border: 2px solid transparent;
}

.platform-card:hover {
    transform: translateY(-10px);
    box-shadow: var(--shadow-card);
    border-color: var(--primary-color);
    background: white;
}

.platform-icon-large {
    font-size: 64px;
    margin-bottom: 20px;
}

.platform-card h3 {
    font-size: 24px;
    font-weight: 600;
    margin-bottom: 10px;
    color: #333;
}

.platform-version {
    color: var(--primary-color);
    font-weight: 600;
    margin-bottom: 20px;
}

.platform-features {
    list-style: none;
    margin-bottom: 30px;
    text-align: left;
}

.platform-features li {
    padding: 8px 0;
    color: #666;
    font-size: 14px;
}

.section-download-guide {
    background: var(--light-bg);
}

.guide-steps {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 30px;
    max-width: 1000px;
    margin: 0 auto;
}

.guide-step {
    background: white;
    padding: 40px 30px;
    border-radius: 16px;
    text-align: center;
    transition: all 0.3s ease;
}

.guide-step:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-card);
}

.step-number {
    width: 60px;
    height: 60px;
    background: var(--gradient-primary);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 24px;
    font-weight: 700;
    color: white;
    margin: 0 auto 20px;
}

.step-content h3 {
    font-size: 20px;
    font-weight: 600;
    margin-bottom: 10px;
    color: #333;
}

.step-content p {
    color: #666;
    font-size: 14px;
}

.section-system-requirements {
    background: white;
}

.requirements-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 30px;
    max-width: 1000px;
    margin: 0 auto;
}

.requirement-card {
    background: var(--light-bg);
    padding: 40px 30px;
    border-radius: 16px;
    transition: all 0.3s ease;
}

.requirement-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-card);
    background: white;
}

.requirement-card h3 {
    font-size: 22px;
    font-weight: 600;
    margin-bottom: 20px;
    color: #333;
}

.requirement-card ul {
    list-style: none;
}

.requirement-card li {
    padding: 10px 0;
    color: #666;
    font-size: 14px;
    border-bottom: 1px solid #eee;
}

.requirement-card li:last-child {
    border-bottom: none;
}

.section-solutions-detail {
    background: white;
}

.solution-detail {
    display: flex;
    align-items: center;
    gap: 60px;
    padding: 80px 20px;
    border-bottom: 1px solid #eee;
}

.solution-detail:nth-child(even) {
    flex-direction: row-reverse;
}

.solution-content {
    flex: 1;
}

.solution-content h2 {
    font-size: 36px;
    font-weight: 700;
    margin-bottom: 20px;
    color: #333;
}

.solution-content p {
    color: #666;
    font-size: 16px;
    line-height: 1.8;
    margin-bottom: 25px;
}

.solution-features {
    list-style: none;
    margin-bottom: 30px;
}

.solution-features li {
    padding: 10px 0;
    color: #666;
    font-size: 15px;
}

.solution-features li::before {
    content: '✓ ';
    color: var(--primary-color);
    font-weight: 700;
}

.btn-solution {
    background: var(--gradient-primary);
    color: white;
    padding: 14px 35px;
}

.btn-solution:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(45, 140, 255, 0.4);
}

.solution-visual {
    flex: 1;
    display: flex;
    justify-content: center;
}

.solution-icon-large {
    width: 250px;
    height: 250px;
    background: var(--light-bg);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 100px;
    box-shadow: var(--shadow-card);
}

.section-help-search {
    background: white;
    padding: 60px 20px;
}

.help-search-box {
    max-width: 700px;
    margin: 0 auto;
    display: flex;
    gap: 15px;
}

.help-search-input {
    flex: 1;
    padding: 18px 25px;
    border: 2px solid #eee;
    border-radius: 12px;
    font-size: 16px;
    transition: all 0.3s ease;
}

.help-search-input:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 4px rgba(45, 140, 255, 0.1);
}

.help-search-btn {
    padding: 18px 35px;
    background: var(--gradient-primary);
    color: white;
    border: none;
    border-radius: 12px;
    font-size: 16px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
}

.help-search-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(45, 140, 255, 0.4);
}

.section-help-categories {
    background: var(--light-bg);
}

.help-categories-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 30px;
    max-width: 1200px;
    margin: 0 auto;
}

.help-category {
    background: white;
    padding: 40px 30px;
    border-radius: 16px;
    transition: all 0.3s ease;
}

.help-category:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-card);
}

.help-category-icon {
    font-size: 48px;
    margin-bottom: 20px;
}

.help-category h3 {
    font-size: 22px;
    font-weight: 600;
    margin-bottom: 10px;
    color: #333;
}

.help-category p {
    color: #666;
    font-size: 14px;
    margin-bottom: 20px;
}

.help-category-links {
    list-style: none;
}

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

.help-category-links a {
    color: var(--primary-color);
    text-decoration: none;
    font-size: 14px;
    transition: color 0.3s ease;
}

.help-category-links a:hover {
    color: var(--secondary-color);
}

.section-faq {
    background: white;
}

.faq-list {
    max-width: 800px;
    margin: 0 auto;
}

.faq-item {
    padding: 30px;
    background: var(--light-bg);
    border-radius: 12px;
    margin-bottom: 20px;
    transition: all 0.3s ease;
}

.faq-item:hover {
    background: white;
    box-shadow: var(--shadow-card);
}

.faq-question {
    font-size: 18px;
    font-weight: 600;
    margin-bottom: 15px;
    color: #333;
}

.faq-answer {
    color: #666;
    font-size: 15px;
    line-height: 1.8;
}

.section-contact {
    background: var(--light-bg);
}

.contact-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 30px;
    max-width: 1000px;
    margin: 0 auto;
}

.contact-card {
    background: white;
    padding: 40px 30px;
    border-radius: 16px;
    text-align: center;
    transition: all 0.3s ease;
}

.contact-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-card);
}

.contact-icon {
    font-size: 48px;
    margin-bottom: 20px;
}

.contact-card h3 {
    font-size: 20px;
    font-weight: 600;
    margin-bottom: 10px;
    color: #333;
}

.contact-card p {
    color: #666;
    font-size: 14px;
    margin-bottom: 20px;
}

.contact-link {
    display: inline-block;
    color: var(--primary-color);
    text-decoration: none;
    font-weight: 600;
    font-size: 14px;
    transition: color 0.3s ease;
}

.contact-link:hover {
    color: var(--secondary-color);
}

@media (max-width: 768px) {
    .hero-content {
        flex-direction: column;
        text-align: center;
    }

    .hero-title {
        font-size: 36px;
    }

    .hero-stats {
        justify-content: center;
    }

    .nav-menu {
        display: none;
    }

    .feature-detail-item,
    .solution-detail {
        flex-direction: column;
        text-align: center;
    }

    .feature-detail-item:nth-child(even),
    .solution-detail:nth-child(even) {
        flex-direction: column;
    }

    .download-content {
        flex-direction: column;
    }

    .download-info .section-title,
    .download-info .section-subtitle {
        text-align: center;
    }

    .pricing-cards {
        grid-template-columns: 1fr;
    }
}