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

body {
    font-family: 'PingFang SC', -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Microsoft YaHei', sans-serif;
    line-height: 1.6;
    color: #333;
    overflow-x: hidden;
}

/* Header */
.header {
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(20px);
    box-shadow: 0 1px 20px rgba(0,0,0,0.08);
    position: fixed;
    width: 100%;
    top: 0;
    z-index: 1000;
    transition: all 0.3s ease;
}

.nav-container {
    max-width: 1400px;
    margin: 0 auto;
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0 40px;
    height: 80px;
}

.logo {
    display: flex;
    align-items: center;
    font-size: 28px;
    font-weight: 600;
    color: #1a73e8;
    text-decoration: none;
}

.logo-icon {
    width: 50px;
    height: 50px;
    background-image: url('https://companieslogo.com/img/orig/TCEHY-8aa1e38d.png?t=1720244494');
    background-size: contain;
    background-repeat: no-repeat;
    background-position: center;
    border-radius: 12px;
    margin-right: 15px;
    box-shadow: 0 4px 15px rgba(26, 115, 232, 0.3);
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: 40px;
    align-items: center;
}

.nav-menu a {
    text-decoration: none;
    color: #333;
    font-weight: 500;
    font-size: 16px;
    transition: all 0.3s ease;
    position: relative;
    padding: 10px 0;
}

.nav-menu a:hover {
    color: #1a73e8;
}

.nav-menu a::after {
    content: '';
    position: absolute;
    width: 0;
    height: 2px;
    bottom: 0;
    left: 0;
    background: #1a73e8;
    transition: width 0.3s ease;
}

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

/* Mobile Menu Styles */
.mobile-menu-toggle {
    display: none;
    flex-direction: column;
    justify-content: space-around;
    width: 30px;
    height: 25px;
    background: transparent;
    border: none;
    cursor: pointer;
    padding: 0;
    z-index: 10;
}

.mobile-menu-toggle span {
    width: 100%;
    height: 3px;
    background: #333;
    border-radius: 10px;
    transition: all 0.3s ease;
    transform-origin: 1px;
}

.mobile-menu-toggle.active span:nth-child(1) {
    transform: rotate(45deg);
}

.mobile-menu-toggle.active span:nth-child(2) {
    opacity: 0;
}

.mobile-menu-toggle.active span:nth-child(3) {
    transform: rotate(-45deg);
}

/* Hero Section */
.hero {
    height: 100vh;
    background: linear-gradient(135deg, rgba(26, 115, 232, 0.9), rgba(66, 133, 244, 0.8)), 
                url('https://images.unsplash.com/photo-1451187580459-43490279c0fa?ixlib=rb-4.0.3&auto=format&fit=crop&w=2072&q=80') center/cover;
    display: flex;
    align-items: center;
    position: relative;
    color: white;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.3);
}

.hero-content {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 40px;
    position: relative;
    z-index: 2;
}

.hero-badge {
    display: inline-block;
    background: rgba(255, 255, 255, 0.2);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.3);
    padding: 8px 20px;
    border-radius: 50px;
    font-size: 14px;
    margin-bottom: 30px;
    font-weight: 500;
}

.hero h1 {
    font-size: 4.5rem;
    margin-bottom: 30px;
    font-weight: 300;
    letter-spacing: -2px;
    line-height: 1.1;
}

.hero h1 .highlight {
    font-weight: 700;
    background: linear-gradient(135deg, #fff, #e3f2fd);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
}

.hero p {
    font-size: 1.4rem;
    margin-bottom: 50px;
    opacity: 0.95;
    max-width: 600px;
    line-height: 1.6;
}

.hero-buttons {
    display: flex;
    gap: 20px;
    align-items: center;
}

.cta-primary {
    background: linear-gradient(135deg, #fff, #f8f9fa);
    color: #1a73e8;
    padding: 18px 40px;
    text-decoration: none;
    border-radius: 50px;
    font-weight: 600;
    font-size: 16px;
    transition: all 0.3s ease;
    box-shadow: 0 8px 30px rgba(255, 255, 255, 0.3);
}

.cta-primary:hover {
    transform: translateY(-3px);
    box-shadow: 0 15px 40px rgba(255, 255, 255, 0.4);
}

.cta-secondary {
    color: white;
    text-decoration: none;
    font-weight: 600;
    font-size: 16px;
    display: flex;
    align-items: center;
    gap: 10px;
    transition: all 0.3s ease;
}

.cta-secondary:hover {
    transform: translateX(5px);
}

/* About Section */
.about {
    padding: 120px 0;
    background: #f8f9fa;
}

.container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 40px;
}

.about-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 80px;
    align-items: center;
}

.about-text h2 {
    font-size: 3rem;
    margin-bottom: 30px;
    color: #333;
    font-weight: 300;
    line-height: 1.2;
}

.about-text p {
    font-size: 1.1rem;
    margin-bottom: 25px;
    color: #666;
    line-height: 1.8;
}

.stats {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
    margin-top: 50px;
}

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

.stat-number {
    font-size: 2.5rem;
    font-weight: 700;
    color: #1a73e8;
    display: block;
}

.stat-label {
    font-size: 0.9rem;
    color: #666;
    margin-top: 5px;
}

.about-image {
    position: relative;
    border-radius: 20px;
    overflow: hidden;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.15);
}

.about-image img {
    width: 100%;
    height: 500px;
    object-fit: cover;
}

/* Custom Development Section */
.custom-development {
    padding: 120px 0;
    background: linear-gradient(135deg, #f8f9fa, #e3f2fd);
}

.custom-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 40px;
    margin-top: 60px;
}

.custom-card {
    background: white;
    border-radius: 20px;
    padding: 40px;
    text-align: center;
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.08);
    transition: all 0.4s ease;
    border: 1px solid rgba(0, 0, 0, 0.05);
}

.custom-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 25px 60px rgba(0, 0, 0, 0.15);
}

.custom-icon {
    width: 60px;
    height: 60px;
    background: linear-gradient(135deg, #1a73e8, #4285f4);
    border-radius: 15px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 25px;
    color: white;
}

.custom-card h3 {
    font-size: 1.4rem;
    margin-bottom: 15px;
    color: #333;
    font-weight: 600;
}

.custom-card p {
    color: #666;
    line-height: 1.7;
    font-size: 1rem;
}

/* Services Section */
.services {
    padding: 120px 0;
    background: white;
}

.section-header {
    text-align: center;
    margin-bottom: 80px;
}

.section-subtitle {
    color: #1a73e8;
    font-weight: 600;
    font-size: 1rem;
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-bottom: 15px;
}

.section-title {
    font-size: 3rem;
    margin-bottom: 25px;
    color: #333;
    font-weight: 300;
    line-height: 1.2;
}

.section-description {
    font-size: 1.2rem;
    color: #666;
    max-width: 600px;
    margin: 0 auto;
    line-height: 1.6;
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(400px, 1fr));
    gap: 40px;
}

.service-card {
    background: white;
    border-radius: 20px;
    overflow: hidden;
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.08);
    transition: all 0.4s ease;
    border: 1px solid rgba(0, 0, 0, 0.05);
}

.service-card:hover {
    transform: translateY(-15px);
    box-shadow: 0 25px 60px rgba(0, 0, 0, 0.15);
}

.service-image {
    width: 100%;
    height: 250px;
    position: relative;
    overflow: hidden;
}

.service-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.4s ease;
}

.service-card:hover .service-image img {
    transform: scale(1.05);
}

.service-overlay {
    position: absolute;
    top: 20px;
    left: 20px;
    background: rgba(26, 115, 232, 0.9);
    backdrop-filter: blur(10px);
    color: white;
    padding: 8px 16px;
    border-radius: 20px;
    font-size: 12px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.service-content {
    padding: 35px;
}

.service-content h3 {
    font-size: 1.5rem;
    margin-bottom: 15px;
    color: #333;
    font-weight: 600;
}

.service-content p {
    color: #666;
    line-height: 1.7;
    margin-bottom: 25px;
}

.service-features {
    list-style: none;
    margin-bottom: 25px;
}

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

.service-features li::before {
    content: '✓';
    position: absolute;
    left: 0;
    color: #1a73e8;
    font-weight: bold;
}

.service-link {
    color: #1a73e8;
    text-decoration: none;
    font-weight: 600;
    display: inline-flex;
    align-items: center;
    gap: 8px;
    transition: all 0.3s ease;
}

.service-link:hover {
    transform: translateX(5px);
}

/* Products Showcase */
.products-showcase {
    padding: 120px 0;
    background: linear-gradient(135deg, #f8f9fa, #e3f2fd);
}

.showcase-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
    margin-bottom: 80px;
}

.showcase-content h3 {
    font-size: 2.2rem;
    margin-bottom: 25px;
    color: #333;
    font-weight: 600;
}

.showcase-content p {
    font-size: 1.1rem;
    color: #666;
    line-height: 1.7;
    margin-bottom: 30px;
}

.showcase-image {
    border-radius: 20px;
    overflow: hidden;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.15);
}

.showcase-image img {
    width: 100%;
    height: 400px;
    object-fit: cover;
}

.feature-list {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 20px;
    margin-top: 30px;
}

.feature-item {
    display: flex;
    align-items: center;
    gap: 15px;
    padding: 15px;
    background: rgba(255, 255, 255, 0.7);
    border-radius: 12px;
    backdrop-filter: blur(10px);
}

.feature-icon {
    width: 40px;
    height: 40px;
    background: linear-gradient(135deg, #1a73e8, #4285f4);
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 18px;
}

/* News Section */
.news {
    padding: 120px 0;
    background: white;
}

.news-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(380px, 1fr));
    gap: 40px;
}

.news-card {
    background: white;
    border-radius: 20px;
    overflow: hidden;
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.08);
    transition: all 0.4s ease;
    border: 1px solid rgba(0, 0, 0, 0.05);
}

.news-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 25px 60px rgba(0, 0, 0, 0.15);
}

.news-image {
    width: 100%;
    height: 220px;
    position: relative;
    overflow: hidden;
}

.news-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.4s ease;
}

.news-card:hover .news-image img {
    transform: scale(1.05);
}

.news-badge {
    position: absolute;
    top: 15px;
    left: 15px;
    background: rgba(26, 115, 232, 0.9);
    backdrop-filter: blur(10px);
    color: white;
    padding: 6px 12px;
    border-radius: 15px;
    font-size: 11px;
    font-weight: 600;
    text-transform: uppercase;
}

.news-content {
    padding: 30px;
}

.news-date {
    color: #999;
    font-size: 0.9rem;
    margin-bottom: 12px;
    font-weight: 500;
}

.news-content h3 {
    font-size: 1.4rem;
    margin-bottom: 15px;
    color: #333;
    font-weight: 600;
    line-height: 1.4;
}

.news-content p {
    color: #666;
    line-height: 1.6;
    margin-bottom: 20px;
}

.read-more {
    color: #1a73e8;
    text-decoration: none;
    font-weight: 600;
    display: inline-flex;
    align-items: center;
    gap: 8px;
    transition: all 0.3s ease;
}

.read-more:hover {
    transform: translateX(5px);
}

/* Footer */
.footer {
    background: linear-gradient(135deg, #1a1a1a, #2d2d2d);
    color: white;
    padding: 80px 0 40px;
}

.footer-content {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1fr 1fr;
    gap: 60px;
    margin-bottom: 60px;
}

.footer-brand {
    max-width: 350px;
}

.footer-logo {
    display: flex;
    align-items: center;
    margin-bottom: 25px;
}

.footer-logo-icon {
    width: 50px;
    height: 50px;
    background: linear-gradient(135deg, #1a73e8, #4285f4);
    border-radius: 12px;
    margin-right: 15px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-weight: bold;
    font-size: 20px;
}

.footer-brand h3 {
    font-size: 24px;
    font-weight: 600;
    color: #1a73e8;
}

.footer-brand p {
    color: #ccc;
    line-height: 1.7;
    margin-bottom: 25px;
}

.social-links {
    display: flex;
    gap: 15px;
}

.social-link {
    width: 45px;
    height: 45px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    text-decoration: none;
    transition: all 0.3s ease;
    backdrop-filter: blur(10px);
}

.social-link:hover {
    background: #1a73e8;
    transform: translateY(-3px);
}

.footer-section h4 {
    margin-bottom: 25px;
    color: white;
    font-size: 18px;
    font-weight: 600;
}

.footer-section ul {
    list-style: none;
}

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

.footer-section ul li a {
    color: #ccc;
    text-decoration: none;
    transition: all 0.3s ease;
    font-size: 15px;
}

.footer-section ul li a:hover {
    color: #1a73e8;
    transform: translateX(5px);
    display: inline-block;
}

.footer-bottom {
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    padding-top: 30px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 20px;
}

.footer-bottom p {
    color: #999;
    font-size: 14px;
}

.footer-links {
    display: flex;
    gap: 30px;
}

.footer-links a {
    color: #999;
    text-decoration: none;
    font-size: 14px;
    transition: color 0.3s ease;
}

.footer-links a:hover {
    color: #1a73e8;
}

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

.animate-on-scroll {
    opacity: 0;
    transform: translateY(30px);
    transition: all 0.8s ease;
}

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

/* Loading state */
body:not(.loaded) {
    overflow: hidden;
}

body:not(.loaded) .hero-content {
    opacity: 0;
    transform: translateY(20px);
}

body.loaded .hero-content {
    opacity: 1;
    transform: translateY(0);
    transition: all 0.8s ease;
}

/* Improved mobile menu animations */
.nav-menu {
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

/* Better touch targets for mobile */
@media (max-width: 768px) {
    .service-card,
    .news-card {
        min-height: 200px;
    }
    
    .cta-primary,
    .cta-secondary {
        min-height: 50px;
        font-size: 16px;
    }
    
    .mobile-menu-toggle {
        min-width: 44px;
        min-height: 44px;
        display: flex;
        align-items: center;
        justify-content: center;
    }
}

/* Prevent zoom on input focus for iOS */
@media screen and (-webkit-min-device-pixel-ratio: 0) {
    select,
    textarea,
    input {
        font-size: 16px;
    }
}

/* Touch-friendly improvements */
@media (hover: none) and (pointer: coarse) {
    .nav-menu a,
    .service-link,
    .read-more,
    .cta-primary,
    .cta-secondary {
        min-height: 44px;
        display: flex;
        align-items: center;
        justify-content: center;
    }
    
    .service-card,
    .news-card {
        cursor: pointer;
    }
}

/* Responsive Design */
@media (max-width: 1200px) {
    .container {
        padding: 0 30px;
    }
    
    .nav-container {
        padding: 0 30px;
    }
}

@media (max-width: 768px) {
    .hero h1 {
        font-size: 2.8rem;
    }
    
    .hero p {
        font-size: 1.1rem;
    }
    
    .nav-menu {
        position: fixed;
        top: 80px;
        left: 0;
        right: 0;
        background: rgba(255, 255, 255, 0.98);
        backdrop-filter: blur(20px);
        flex-direction: column;
        padding: 40px 20px;
        gap: 20px;
        transform: translateY(-100%);
        opacity: 0;
        visibility: hidden;
        transition: all 0.4s ease;
        box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
    }
    
    .nav-menu.active {
        transform: translateY(0);
        opacity: 1;
        visibility: visible;
    }
    
    .nav-menu li {
        width: 100%;
        text-align: center;
    }
    
    .nav-menu a {
        display: block;
        padding: 15px 0;
        font-size: 18px;
    }

    
    .mobile-menu-toggle {
        display: flex;
    }
    
    .section-title {
        font-size: 2.2rem;
    }
    
    .about-content,
    .showcase-grid {
        grid-template-columns: 1fr;
        gap: 40px;
    }
    
    .hero-buttons {
        flex-direction: column;
        align-items: flex-start;
        gap: 15px;
    }
    
    .cta-primary,
    .cta-secondary {
        width: 100%;
        text-align: center;
        justify-content: center;
    }
    
    .services-grid {
        grid-template-columns: 1fr;
    }
    
    .news-grid {
        grid-template-columns: 1fr;
    }
    
    .feature-list {
        grid-template-columns: 1fr;
    }
    
    .footer-content {
        grid-template-columns: 1fr;
        gap: 40px;
    }
    
    .footer-bottom {
        flex-direction: column;
        text-align: center;
        gap: 15px;
    }
    
    .footer-links {
        flex-wrap: wrap;
        justify-content: center;
    }
    
    .stats {
        grid-template-columns: 1fr;
        gap: 20px;
    }
    
    .custom-grid {
        grid-template-columns: 1fr;
        gap: 30px;
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 20px;
    }
    
    .nav-container {
        padding: 0 20px;
    }
    
    .hero-content {
        padding: 0 20px;
    }
    
    .hero h1 {
        font-size: 2.4rem;
    }
    
    .hero p {
        font-size: 1rem;
    }
    
    .section-title {
        font-size: 1.8rem;
    }
    
    .about-text h2 {
        font-size: 2.2rem;
    }
    
    .service-content,
    .news-content {
        padding: 25px;
    }
    
    .hero-badge {
        font-size: 12px;
        padding: 6px 16px;
    }
}

@media (max-width: 360px) {
    .hero h1 {
        font-size: 2rem;
    }
    
    .hero p {
        font-size: 0.9rem;
    }
    
    .section-title {
        font-size: 1.6rem;
    }
}