/* ===========================
   Global Styles
   =========================== */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    /* Technology Color Scheme */
    --primary-dark: #0a0e27;
    --primary-blue: #1a1f3a;
    --accent-blue: #3b82f6;
    --accent-light: #60a5fa;
    --accent-cyan: #06b6d4;
    --text-light: #f8fafc;
    --text-gray: #cbd5e1;
    --text-dark: #1e293b;
    --bg-light: #f1f5f9;
    --gradient-1: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    --gradient-2: linear-gradient(135deg, #3b82f6 0%, #06b6d4 100%);
    --gradient-3: linear-gradient(135deg, #1e3a8a 0%, #1e40af 50%, #3b82f6 100%);
    --shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 20px 60px rgba(0, 0, 0, 0.2);
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Microsoft JhengHei', '微軟正黑體', sans-serif;
    line-height: 1.6;
    color: var(--text-dark);
    overflow-x: hidden;
    position: relative;
}

/* Background Decorative Elements */
.bg-decorations {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
    z-index: 0;
    overflow: hidden;
}

.bg-circle {
    position: absolute;
    border-radius: 50%;
    background: radial-gradient(circle, rgba(59, 130, 246, 0.05) 0%, transparent 70%);
    animation: float 20s ease-in-out infinite;
}

.bg-circle-1 {
    width: 400px;
    height: 400px;
    top: -100px;
    right: -100px;
    animation-delay: 0s;
}

.bg-circle-2 {
    width: 300px;
    height: 300px;
    bottom: 100px;
    left: -50px;
    background: radial-gradient(circle, rgba(6, 182, 212, 0.05) 0%, transparent 70%);
    animation-delay: 7s;
}

.bg-circle-3 {
    width: 500px;
    height: 500px;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    animation-delay: 14s;
}

@keyframes float {
    0%, 100% {
        transform: translate(0, 0) scale(1);
    }
    25% {
        transform: translate(20px, -20px) scale(1.05);
    }
    50% {
        transform: translate(-15px, 15px) scale(0.95);
    }
    75% {
        transform: translate(15px, 10px) scale(1.02);
    }
}

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

/* ===========================
   Navigation
   =========================== */
.navbar {
    position: fixed;
    top: 0;
    width: 100%;
    background: rgba(26, 31, 58, 0.95);
    backdrop-filter: blur(10px);
    z-index: 1000;
    padding: 1rem 0;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
}

.navbar .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.nav-brand {
    display: flex;
    align-items: center;
    gap: 10px;
}

.logo {
    font-size: 1.8rem;
    font-weight: 800;
    background: var(--gradient-2);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.company-name {
    font-size: 1.1rem;
    color: var(--text-light);
    font-weight: 600;
}

.nav-menu {
    display: flex;
    align-items: center;
    gap: 2rem;
}

.nav-menu li {
    list-style: none;
}

.nav-menu a {
    color: var(--text-light);
    text-decoration: none;
    font-weight: 500;
    transition: color 0.3s;
    position: relative;
}

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

.nav-link {
    color: var(--text-light);
    text-decoration: none;
    font-weight: 500;
    transition: color 0.3s;
    position: relative;
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--accent-blue);
    transition: width 0.3s;
}

.nav-link:hover {
    color: var(--accent-light);
}

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

.lang-switch {
    background: var(--gradient-2);
    color: white;
    border: none;
    padding: 0.5rem 1.2rem;
    border-radius: 20px;
    cursor: pointer;
    font-weight: 600;
    transition: transform 0.3s;
}

.lang-switch:hover {
    transform: scale(1.05);
}

/* ===========================
   Hero Section
   =========================== */
.hero {
    position: relative;
    height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--gradient-3);
    overflow: hidden;
    margin-bottom: 0;
    z-index: 1;
}

.hero::before {
    content: '';
    position: absolute;
    inset: 0;
    background: 
        radial-gradient(circle at 20% 50%, rgba(59, 130, 246, 0.3) 0%, transparent 50%),
        radial-gradient(circle at 80% 80%, rgba(6, 182, 212, 0.3) 0%, transparent 50%);
    animation: pulse 8s ease-in-out infinite;
}

@keyframes pulse {
    0%, 100% { opacity: 0.5; }
    50% { opacity: 0.8; }
}

.hero-overlay {
    position: absolute;
    inset: 0;
    background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 100"><circle cx="50" cy="50" r="1" fill="white" opacity="0.1"/></svg>');
    background-size: 50px 50px;
    opacity: 0.3;
}

.hero-content {
    position: relative;
    text-align: center;
    z-index: 2;
    animation: fadeInUp 1s ease-out;
}

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

.hero-title {
    font-size: 3.5rem;
    font-weight: 800;
    color: var(--text-light);
    margin-bottom: 1rem;
    text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.3);
}

.hero-subtitle {
    font-size: 1.5rem;
    color: var(--text-gray);
    margin-bottom: 2rem;
}

.hero-buttons {
    display: flex;
    gap: 1rem;
    justify-content: center;
}

.btn {
    padding: 1rem 2rem;
    border-radius: 30px;
    text-decoration: none;
    font-weight: 600;
    transition: all 0.3s;
    display: inline-block;
}

.btn-primary {
    background: var(--accent-blue);
    color: white;
}

.btn-primary:hover {
    background: var(--accent-light);
    transform: translateY(-2px);
    box-shadow: 0 10px 20px rgba(59, 130, 246, 0.3);
}

.btn-secondary {
    background: transparent;
    color: white;
    border: 2px solid white;
}

.btn-secondary:hover {
    background: white;
    color: var(--primary-blue);
}

.scroll-indicator {
    position: absolute;
    bottom: 30px;
    left: 50%;
    transform: translateX(-50%);
}

.mouse {
    width: 25px;
    height: 40px;
    border: 2px solid white;
    border-radius: 15px;
    position: relative;
}

.mouse::before {
    content: '';
    width: 4px;
    height: 8px;
    background: white;
    border-radius: 2px;
    position: absolute;
    top: 8px;
    left: 50%;
    transform: translateX(-50%);
    animation: scroll 2s infinite;
}

@keyframes scroll {
    0% { opacity: 1; top: 8px; }
    100% { opacity: 0; top: 20px; }
}

/* ===========================
   Section Styles
   =========================== */
section {
    padding: 6rem 0;
    position: relative;
    z-index: 10;
    background: white;
}

.section-header {
    text-align: center;
    margin-bottom: 4rem;
}

.section-title {
    font-size: 2.5rem;
    font-weight: 800;
    color: var(--primary-blue);
    margin-bottom: 1rem;
    position: relative;
    display: inline-block;
}

.section-title::after {
    content: '';
    position: absolute;
    bottom: -10px;
    left: 50%;
    transform: translateX(-50%);
    width: 60px;
    height: 4px;
    background: var(--gradient-2);
    border-radius: 2px;
    box-shadow: 0 2px 8px rgba(59, 130, 246, 0.3);
}

.section-subtitle {
    font-size: 1.2rem;
    color: #64748b;
}

/* ===========================
   About Section
   =========================== */
.about {
    background: var(--bg-light);
    position: relative;
    overflow: hidden;
}

.about::before {
    content: '';
    position: absolute;
    top: -50px;
    right: -50px;
    width: 200px;
    height: 200px;
    background: radial-gradient(circle, rgba(59, 130, 246, 0.1) 0%, transparent 70%);
    border-radius: 50%;
}

.about::after {
    content: '';
    position: absolute;
    bottom: -100px;
    left: -100px;
    width: 300px;
    height: 300px;
    background: radial-gradient(circle, rgba(6, 182, 212, 0.08) 0%, transparent 70%);
    border-radius: 50%;
}

.about-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 3rem;
}

.about-info h3,
.about-location h3 {
    font-size: 1.8rem;
    color: var(--primary-blue);
    margin-bottom: 1rem;
}

.about-info p {
    color: #475569;
    font-size: 1.1rem;
    line-height: 1.8;
    margin-bottom: 2rem;
}

.company-stats {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
    margin-top: 2rem;
}

.stat-item {
    text-align: center;
    padding: 1.5rem;
    background: white;
    border-radius: 10px;
    box-shadow: var(--shadow);
    transition: all 0.3s;
    position: relative;
    overflow: hidden;
}

.stat-item::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 4px;
    background: var(--gradient-2);
    transform: scaleX(0);
    transition: transform 0.3s;
}

.stat-item:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-lg);
}

.stat-item:hover::before {
    transform: scaleX(1);
}

.stat-number {
    font-size: 2.5rem;
    font-weight: 800;
    background: var(--gradient-2);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.stat-label {
    color: #64748b;
    font-size: 0.9rem;
    margin-top: 0.5rem;
}

.location-info {
    background: white;
    padding: 2rem;
    border-radius: 10px;
    box-shadow: var(--shadow);
}

.info-item {
    display: flex;
    gap: 1rem;
    margin-bottom: 1.5rem;
}

.info-icon {
    font-size: 1.5rem;
}

.info-item strong {
    display: block;
    color: var(--primary-blue);
    margin-bottom: 0.5rem;
}

.info-item p {
    color: #64748b;
    font-size: 1rem;
}

/* ===========================
   Solutions Section
   =========================== */
.solutions-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 2rem;
}

.solution-card {
    background: white;
    padding: 2.5rem;
    border-radius: 15px;
    box-shadow: var(--shadow);
    transition: transform 0.3s, box-shadow 0.3s;
}

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

.solution-icon {
    font-size: 3rem;
    margin-bottom: 1rem;
    display: inline-block;
    padding: 1rem;
    background: linear-gradient(135deg, #e0f2fe 0%, #dbeafe 100%);
    border-radius: 15px;
    box-shadow: 0 4px 15px rgba(59, 130, 246, 0.1);
}

.solution-title {
    font-size: 1.8rem;
    color: var(--primary-blue);
    margin-bottom: 1rem;
}

.solution-desc {
    color: #475569;
    line-height: 1.8;
    margin-bottom: 1.5rem;
}

.solution-features {
    list-style: none;
    margin-bottom: 1.5rem;
}

.solution-features li {
    display: flex;
    align-items: center;
    gap: 0.8rem;
    color: #64748b;
    padding: 0.8rem 0;
    border-bottom: 1px solid #e2e8f0;
    transition: all 0.3s;
}

.solution-features li:hover {
    background: #f8fafc;
    padding-left: 0.5rem;
    border-radius: 5px;
}

.solution-features li:last-child {
    border-bottom: none;
}

.feature-icon {
    font-size: 1.3rem;
    min-width: 30px;
    text-align: center;
}

.solution-details {
    background: linear-gradient(135deg, #f1f5f9 0%, #e0f2fe 100%);
    padding: 1.2rem;
    border-radius: 8px;
    border-left: 4px solid var(--accent-blue);
}

.solution-details p {
    color: #475569;
    font-size: 0.95rem;
    margin: 0;
    line-height: 1.6;
}

.solution-link {
    display: inline-block;
    color: var(--accent-blue);
    text-decoration: none;
    font-weight: 600;
    transition: color 0.3s;
}

.solution-link:hover {
    color: var(--accent-light);
}

.solution-action {
    margin-top: 2rem;
    text-align: center;
}

.solution-btn {
    display: inline-block;
    padding: 0.8rem 2rem;
    background: linear-gradient(135deg, var(--accent-blue), var(--accent-cyan));
    color: white;
    text-decoration: none;
    border-radius: 50px;
    font-weight: 600;
    font-size: 1rem;
    transition: all 0.3s ease;
    box-shadow: 0 4px 15px rgba(59, 130, 246, 0.3);
}

.solution-btn:hover {
    transform: translateY(-3px);
    box-shadow: 0 8px 25px rgba(59, 130, 246, 0.4);
}

/* ===========================
   Services Section
   =========================== */
.services {
    background: var(--bg-light);
    position: relative;
    overflow: hidden;
}

.services::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 600px;
    height: 600px;
    background: radial-gradient(circle, rgba(59, 130, 246, 0.05) 0%, transparent 70%);
    border-radius: 50%;
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 2rem;
}

.service-card {
    background: white;
    padding: 2rem;
    border-radius: 10px;
    text-align: center;
    box-shadow: var(--shadow);
    transition: transform 0.3s;
}

.service-card:hover {
    transform: translateY(-5px);
}

.service-icon {
    font-size: 3rem;
    margin-bottom: 1rem;
    display: inline-block;
    padding: 1.2rem;
    background: linear-gradient(135deg, #f0f9ff 0%, #e0f2fe 100%);
    border-radius: 50%;
    box-shadow: 0 5px 20px rgba(59, 130, 246, 0.15);
    transition: all 0.3s;
}

.service-card:hover .service-icon {
    transform: scale(1.1) rotate(5deg);
    box-shadow: 0 8px 30px rgba(59, 130, 246, 0.25);
}

.service-card h3 {
    font-size: 1.3rem;
    color: var(--primary-blue);
    margin-bottom: 1rem;
}

.service-card p {
    color: #64748b;
    line-height: 1.6;
}

/* ===========================
   Contact Section
   =========================== */
.contact-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 3rem;
}

.contact-item {
    display: flex;
    gap: 1.5rem;
    margin-bottom: 2rem;
    padding: 1.5rem;
    background: var(--bg-light);
    border-radius: 10px;
}

.contact-icon {
    font-size: 2rem;
}

.contact-item h4 {
    color: var(--primary-blue);
    margin-bottom: 0.5rem;
}

.contact-item p {
    color: #64748b;
}

.contact-map {
    background: var(--bg-light);
    border-radius: 10px;
    overflow: hidden;
}

.map-placeholder {
    height: 100%;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    background: var(--gradient-3);
    color: white;
    font-size: 1.5rem;
    font-weight: 600;
    padding: 3rem;
    text-align: center;
}

/* ===========================
   Footer
   =========================== */
.footer {
    background: var(--primary-blue);
    color: var(--text-light);
    padding: 3rem 0 1rem;
}

.footer-content {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: 3rem;
    margin-bottom: 2rem;
}

.footer-brand {
    max-width: 400px;
}

.footer-logo {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-bottom: 1rem;
}

.footer-logo .logo {
    font-size: 1.5rem;
}

.footer-brand p {
    color: var(--text-gray);
}

.footer-links {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 2rem;
}

.footer-column h4 {
    margin-bottom: 1rem;
    color: var(--accent-light);
}

.footer-column a {
    display: block;
    color: var(--text-gray);
    text-decoration: none;
    margin-bottom: 0.5rem;
    transition: color 0.3s;
}

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

.footer-bottom {
    text-align: center;
    padding-top: 2rem;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    color: var(--text-gray);
}

/* ===========================
   Responsive Design
   =========================== */
@media (max-width: 768px) {
    .nav-menu {
        gap: 1rem;
        font-size: 0.9rem;
    }

    .hero-title {
        font-size: 2rem;
    }

    .hero-subtitle {
        font-size: 1rem;
    }

    .about-content,
    .contact-content,
    .footer-content {
        grid-template-columns: 1fr;
    }

    .solutions-grid {
        grid-template-columns: 1fr;
    }

    .services-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .company-stats {
        grid-template-columns: 1fr;
    }

    .section-title {
        font-size: 2rem;
    }
}

@media (max-width: 480px) {
    .nav-menu {
        display: none;
    }

    .services-grid {
        grid-template-columns: 1fr;
    }

    .hero-title {
        font-size: 1.5rem;
    }
}

/* ===========================
   Enhanced Solution Cards
   =========================== */
.solution-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1.5rem;
}

.solution-icon-large {
    font-size: 4rem;
    padding: 1.5rem;
    background: linear-gradient(135deg, #dbeafe 0%, #e0f2fe 100%);
    border-radius: 20px;
    box-shadow: 0 8px 20px rgba(59, 130, 246, 0.15);
    display: inline-flex;
    align-items: center;
    justify-content: center;
}

.solution-badge {
    padding: 0.5rem 1rem;
    background: var(--gradient-2);
    color: white;
    border-radius: 20px;
    font-size: 0.85rem;
    font-weight: 600;
    box-shadow: 0 4px 10px rgba(59, 130, 246, 0.2);
}

.title-subtitle {
    display: block;
    font-size: 0.85rem;
    color: #64748b;
    font-weight: 400;
    margin-top: 0.3rem;
}

.solution-details {
    margin-top: 1.5rem;
    padding: 1rem;
    background: linear-gradient(135deg, #f8fafc 0%, #f1f5f9 100%);
    border-radius: 10px;
    border-left: 4px solid var(--accent-blue);
}

.solution-details p {
    color: #475569;
    font-size: 0.95rem;
    margin: 0;
}

/* Solution Screenshot Styles */
.solution-screenshot {
    position: relative;
    width: 100%;
    margin: 1.5rem 0;
    border-radius: 12px;
    overflow: hidden;
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.12);
    transition: all 0.4s ease;
}

.solution-screenshot img {
    width: 100%;
    height: auto;
    display: block;
    transition: transform 0.4s ease;
}

.solution-screenshot:hover img {
    transform: scale(1.05);
}

.screenshot-overlay {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    background: linear-gradient(to top, rgba(26, 31, 58, 0.9) 0%, transparent 100%);
    padding: 1rem;
    opacity: 0;
    transition: opacity 0.3s ease;
}

.solution-screenshot:hover .screenshot-overlay {
    opacity: 1;
}

.view-label {
    color: white;
    font-size: 0.9rem;
    font-weight: 600;
    letter-spacing: 0.5px;
}

/* Fix hero z-index to prevent overlap */
.hero {
    z-index: 1;
}

section {
    position: relative;
    z-index: 10;
    background: white;
}

.about {
    position: relative;
    z-index: 10;
}

/* Additional service card enhancements */
.service-icon-wrapper {
    position: relative;
    display: inline-block;
    margin-bottom: 1rem;
}

.service-icon-bg {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 90px;
    height: 90px;
    background: linear-gradient(135deg, #dbeafe 0%, #e0f2fe 100%);
    border-radius: 50%;
    z-index: -1;
    transition: all 0.3s;
}

.service-card:hover .service-icon-bg {
    transform: translate(-50%, -50%) scale(1.15);
    box-shadow: 0 10px 30px rgba(59, 130, 246, 0.25);
}

/* ==================== Product Pages Styles ==================== */

/* Product Hero Section */
.product-hero {
    background: linear-gradient(135deg, var(--primary-blue) 0%, var(--accent-blue) 100%);
    padding: 6rem 0 4rem;
    margin-top: 70px;
    position: relative;
    overflow: hidden;
}

.product-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 1440 320"><path fill="rgba(255,255,255,0.05)" d="M0,96L48,112C96,128,192,160,288,160C384,160,480,128,576,112C672,96,768,96,864,106.7C960,117,1056,139,1152,138.7C1248,139,1344,117,1392,106.7L1440,96L1440,320L1392,320C1344,320,1248,320,1152,320C1056,320,960,320,864,320C768,320,672,320,576,320C480,320,384,320,288,320C192,320,96,320,48,320L0,320Z"></path></svg>') bottom;
    background-repeat: no-repeat;
    background-size: cover;
    opacity: 0.3;
}

.product-hero-content {
    position: relative;
    z-index: 2;
    text-align: center;
    margin-bottom: 3rem;
}

.product-title {
    font-size: 3rem;
    font-weight: 700;
    color: white;
    margin-bottom: 1.5rem;
    text-shadow: 0 2px 10px rgba(0, 0, 0, 0.2);
}

.product-subtitle {
    font-size: 1.25rem;
    color: rgba(255, 255, 255, 0.95);
    line-height: 1.8;
    max-width: 800px;
    margin: 0 auto;
}

.product-hero-image {
    position: relative;
    z-index: 2;
    max-width: 1200px;
    margin: 0 auto;
    border-radius: 12px;
    overflow: hidden;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.3);
}

.product-hero-image img {
    width: 100%;
    height: auto;
    display: block;
}

/* Product Sections */
.product-section {
    padding: 5rem 0;
    position: relative;
    z-index: 10;
    background: white;
}

.product-section.bg-light {
    background: linear-gradient(180deg, #f8fafc 0%, #ffffff 100%);
}

.section-description {
    text-align: center;
    font-size: 1.1rem;
    color: var(--text-color);
    max-width: 800px;
    margin: -1rem auto 3rem;
    line-height: 1.8;
}

/* Features Grid for Product Pages */
.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(450px, 1fr));
    gap: 2.5rem;
    margin-top: 3rem;
}

.feature-card {
    background: white;
    padding: 2.5rem;
    border-radius: 16px;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.08);
    transition: all 0.3s ease;
}

.feature-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 12px 40px rgba(59, 130, 246, 0.15);
}

.feature-icon {
    font-size: 3rem;
    margin-bottom: 1.5rem;
}

.feature-card h3 {
    font-size: 1.5rem;
    color: var(--primary-blue);
    margin-bottom: 1rem;
}

.feature-card > p {
    color: var(--text-color);
    margin-bottom: 1.5rem;
    line-height: 1.7;
}

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

.feature-list li {
    padding: 0.6rem 0;
    padding-left: 1.8rem;
    position: relative;
    color: var(--text-color);
    line-height: 1.6;
}

.feature-list li::before {
    content: '✓';
    position: absolute;
    left: 0;
    color: var(--accent-cyan);
    font-weight: bold;
    font-size: 1.2rem;
}

/* Technology Grid */
.tech-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
    margin-top: 3rem;
}

.tech-card {
    background: white;
    padding: 2rem;
    border-radius: 16px;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.08);
    text-align: center;
    transition: all 0.3s ease;
}

.tech-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 30px rgba(59, 130, 246, 0.15);
}

.tech-image {
    margin-bottom: 1.5rem;
}

.tech-icon {
    font-size: 4rem;
    display: inline-block;
    padding: 1.5rem;
    background: linear-gradient(135deg, var(--accent-blue), var(--accent-cyan));
    border-radius: 20px;
    box-shadow: 0 8px 20px rgba(59, 130, 246, 0.2);
}

.tech-card h3 {
    font-size: 1.3rem;
    color: var(--primary-blue);
    margin-bottom: 1rem;
}

.tech-card p {
    color: var(--text-color);
    line-height: 1.7;
}

/* Four Column Features Grid */
.features-grid-four {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
    margin-top: 3rem;
}

.feature-card-compact {
    background: white;
    padding: 2rem;
    border-radius: 12px;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.08);
    transition: all 0.3s ease;
}

.feature-card-compact:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 25px rgba(59, 130, 246, 0.15);
}

.feature-icon-small {
    font-size: 2.5rem;
    margin-bottom: 1rem;
}

.feature-card-compact h3 {
    font-size: 1.2rem;
    color: var(--primary-blue);
    margin-bottom: 0.8rem;
}

.feature-card-compact > p {
    color: var(--text-color);
    font-size: 0.95rem;
    margin-bottom: 1rem;
    line-height: 1.6;
}

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

.compact-list li {
    padding: 0.4rem 0;
    padding-left: 1.5rem;
    position: relative;
    color: var(--text-color);
    font-size: 0.9rem;
    line-height: 1.5;
}

.compact-list li::before {
    content: '•';
    position: absolute;
    left: 0;
    color: var(--accent-cyan);
    font-weight: bold;
    font-size: 1.2rem;
}

/* Scenarios Grid */
.scenarios-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
    margin-top: 3rem;
}

.scenario-card {
    background: white;
    padding: 2rem;
    border-radius: 12px;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.08);
    text-align: center;
    transition: all 0.3s ease;
}

.scenario-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 25px rgba(59, 130, 246, 0.15);
}

.scenario-icon {
    font-size: 3rem;
    margin-bottom: 1rem;
}

.scenario-card h3 {
    font-size: 1.2rem;
    color: var(--primary-blue);
    margin-bottom: 0.8rem;
}

.scenario-card p {
    color: var(--text-color);
    line-height: 1.6;
    font-size: 0.95rem;
}

/* Advantages Grid */
.advantages-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
    margin-top: 3rem;
}

.advantage-card {
    background: white;
    padding: 2.5rem;
    border-radius: 16px;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.08);
    text-align: center;
    transition: all 0.3s ease;
    border: 2px solid transparent;
}

.advantage-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 12px 40px rgba(59, 130, 246, 0.15);
    border-color: var(--accent-cyan);
}

.advantage-icon {
    font-size: 3.5rem;
    margin-bottom: 1rem;
}

.advantage-card h3 {
    font-size: 1.4rem;
    color: var(--primary-blue);
    margin-bottom: 1rem;
}

.advantage-card p {
    color: var(--text-color);
    line-height: 1.7;
}

/* CTA Section */
.cta-section {
    background: linear-gradient(135deg, var(--primary-blue) 0%, var(--accent-blue) 100%);
    padding: 5rem 0;
    text-align: center;
    position: relative;
    z-index: 10;
}

.cta-section h2 {
    font-size: 2.5rem;
    color: white;
    margin-bottom: 1rem;
}

.cta-section p {
    font-size: 1.2rem;
    color: rgba(255, 255, 255, 0.9);
    margin-bottom: 2rem;
}

.btn-primary {
    display: inline-block;
    padding: 1rem 2.5rem;
    background: white;
    color: var(--accent-blue);
    text-decoration: none;
    border-radius: 50px;
    font-weight: 600;
    font-size: 1.1rem;
    transition: all 0.3s ease;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.2);
}

.btn-primary:hover {
    transform: translateY(-3px);
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.3);
    background: var(--accent-cyan);
    color: white;
}

/* Responsive Design for Product Pages */
@media (max-width: 768px) {
    .product-title {
        font-size: 2rem;
    }
    
    .product-subtitle {
        font-size: 1rem;
    }
    
    .product-hero {
        padding: 4rem 0 2rem;
    }
    
    .product-section {
        padding: 3rem 0;
    }
    
    .features-grid {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }
    
    .features-grid-four,
    .tech-grid,
    .scenarios-grid,
    .advantages-grid {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }
    
    .cta-section h2 {
        font-size: 1.8rem;
    }
    
    .cta-section p {
        font-size: 1rem;
    }
}