/* Reset and base styles */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Microsoft YaHei', Arial, sans-serif;
    line-height: 1.6;
    color: #333;
    background-color: #f5f5f5;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
    width: 100%;
}

/* Header styles */
.header {
    background-color: #1a1a1a;
    color: #fff;
    padding: 1rem 0;
    position: fixed;
    width: 100%;
    top: 0;
    z-index: 1000;
    box-shadow: 0 2px 10px rgba(0,0,0,0.3);
}

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

.logo {
    font-size: 1.8rem;
    font-weight: bold;
    z-index: 2;
}

.nav {
    display: flex;
    align-items: center;
}

.nav ul {
    display: flex;
    list-style: none;
    margin: 0;
    padding: 0;
}

.nav ul li {
    margin-left: 2rem;
}

.nav ul li a {
    color: #fff;
    text-decoration: none;
    transition: color 0.3s;
    font-size: 1.1rem;
    padding: 0.5rem 0;
    display: block;
}

.nav ul li a:hover {
    color: #00ff00;
}

/* Mobile navigation styles */
@media (max-width: 768px) {
    .header {
        padding: 0.5rem 0;
    }

    .header .container {
        flex-direction: column;
        padding: 0.5rem 1rem;
    }

    .logo {
        font-size: 1.5rem;
        margin-bottom: 0.5rem;
    }

    .nav {
        width: 100%;
        display: none;
        background-color: #1a1a1a;
        padding: 1rem 0;
        position: absolute;
        top: 100%;
        left: 0;
        box-shadow: 0 4px 10px rgba(0,0,0,0.3);
    }

    .nav.active {
        display: block;
    }

    .nav ul {
        flex-direction: column;
        width: 100%;
        text-align: center;
        gap: 0;
    }

    .nav ul li {
        margin: 0;
        width: 100%;
        border-bottom: 1px solid rgba(255,255,255,0.1);
    }

    .nav ul li:last-child {
        border-bottom: none;
    }

    .nav ul li a {
        padding: 1rem;
        font-size: 1.1rem;
        display: block;
        width: 100%;
    }

    .nav ul li a:hover {
        background-color: rgba(0,255,0,0.1);
    }

    /* Add hamburger menu button */
    .menu-toggle {
        display: block;
        position: absolute;
        right: 1rem;
        top: 1rem;
        width: 30px;
        height: 30px;
        cursor: pointer;
        z-index: 3;
    }

    .menu-toggle span {
        display: block;
        width: 100%;
        height: 2px;
        background-color: #fff;
        margin: 6px 0;
        transition: all 0.3s ease;
    }

    .menu-toggle.active span:nth-child(1) {
        transform: rotate(45deg) translate(7px, 7px);
    }

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

    .menu-toggle.active span:nth-child(3) {
        transform: rotate(-45deg) translate(7px, -7px);
    }
}

/* Adjust hero section margin for mobile */
@media (max-width: 768px) {
    .hero {
        margin-top: 80px;
    }
}

/* Fix for very small screens */
@media (max-width: 480px) {
    .header .container {
        padding: 0.5rem;
    }

    .logo {
        font-size: 1.3rem;
    }

    .nav ul li a {
        font-size: 1rem;
        padding: 0.8rem;
    }
}

/* Hero section */
.hero {
    background: linear-gradient(rgba(0,0,0,0.7), rgba(0,0,0,0.7)), url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" width="100" height="100" viewBox="0 0 100 100"><rect width="100" height="100" fill="%23000000"/><path d="M0 0 L100 100 M100 0 L0 100" stroke="%2300ff00" stroke-width="1"/></svg>');
    color: #fff;
    text-align: left;
    padding: 8rem 0 4rem;
    margin-top: 60px;
    position: relative;
    overflow: hidden;
}

.hero-content {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 2rem;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 1rem;
}

.hero-text {
    flex: 1;
    max-width: 600px;
}

.hero-image {
    flex: 1;
    max-width: 500px;
    display: flex;
    justify-content: center;
    align-items: center;
}

.hero-img {
    max-width: 100%;
    height: auto;
    border-radius: 10px;
    box-shadow: 0 0 20px rgba(0,255,0,0.2);
    transition: transform 0.3s ease;
}

.hero-img:hover {
    transform: scale(1.02);
}

.hero h2 {
    font-size: 2.5rem;
    margin-bottom: 1rem;
    color: #fff;
    text-shadow: 0 0 10px rgba(0,255,0,0.3);
}

.hero p {
    font-size: 1.2rem;
    margin-bottom: 2rem;
    opacity: 0.9;
}

.hero-features {
    margin-top: 2rem;
    display: flex;
    flex-direction: column;
    gap: 1rem;
    width: 100%;
}

.hero-features span {
    background: rgba(0, 255, 0, 0.1);
    padding: 0.8rem 1.5rem;
    border-radius: 20px;
    border: 1px solid #00ff00;
    display: inline-block;
    transition: all 0.3s ease;
    width: 100%;
    text-align: left;
    font-size: 1rem;
    color: #fff;
    opacity: 0.9;
}

.hero-features span:hover {
    background: rgba(0, 255, 0, 0.2);
    transform: translateX(10px);
    opacity: 1;
}

/* 响应式调整 */
@media (max-width: 768px) {
    .hero-features {
        margin-top: 1.5rem;
        gap: 0.8rem;
    }

    .hero-features span {
        padding: 0.7rem 1.2rem;
        font-size: 0.95rem;
    }
}

@media (max-width: 480px) {
    .hero-features {
        margin-top: 1.2rem;
        gap: 0.6rem;
    }

    .hero-features span {
        padding: 0.6rem 1rem;
        font-size: 0.9rem;
    }
}

/* Services section */
.services {
    padding: 4rem 0;
    background-color: #fff;
    position: relative;
}

.services::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 1px;
    background: linear-gradient(90deg, transparent, #00ff00, transparent);
}

.services h2 {
    text-align: center;
    margin-bottom: 3rem;
    font-size: 2.2rem;
    color: #333;
    position: relative;
    padding-bottom: 1rem;
}

.services h2::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 60px;
    height: 3px;
    background: #00ff00;
}

.service-framework {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 1rem;
}

.service-row {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 2rem;
    margin-bottom: 2rem;
}

.service-row:last-child {
    margin-bottom: 0;
}

.service-card {
    background: linear-gradient(135deg, #1a1a1a 0%, #333 100%);
    border-radius: 15px;
    padding: 2rem;
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
    box-shadow: 0 4px 15px rgba(0,0,0,0.1);
    border: 1px solid rgba(0,255,0,0.1);
    color: #fff;
}

.service-card.featured {
    background: linear-gradient(135deg, #1a1a1a 0%, #333 100%);
    color: #fff;
    transform: scale(1.02);
    box-shadow: 0 6px 20px rgba(0,255,0,0.15);
}

.service-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 25px rgba(0,255,0,0.2);
}

.service-card.featured:hover {
    transform: translateY(-5px) scale(1.02);
}

.service-icon {
    font-size: 2.5rem;
    margin-bottom: 1.5rem;
    display: inline-block;
    padding: 1rem;
    background: rgba(0,255,0,0.1);
    border-radius: 50%;
    line-height: 1;
    color: #00ff00;
}

.service-content {
    position: relative;
    z-index: 1;
}

.service-card h3 {
    color: #00ff00;
    margin-bottom: 1rem;
    font-size: 1.5rem;
    font-weight: 600;
}

.service-card p {
    margin-bottom: 1.5rem;
    line-height: 1.6;
    color: #fff;
    opacity: 0.9;
}

.service-details {
    list-style: none;
    margin-top: 1rem;
    text-align: left;
    padding-left: 1rem;
}

.service-details li {
    margin: 0.8rem 0;
    position: relative;
    padding-left: 1.5rem;
    font-size: 0.95rem;
    color: #fff;
    opacity: 0.9;
}

.service-details li:before {
    content: "→";
    position: absolute;
    left: 0;
    color: #00ff00;
}

/* Features section */
.features {
    padding: 4rem 0;
    background-color: #f8f8f8;
    position: relative;
}

.features::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 1px;
    background: linear-gradient(90deg, transparent, #00ff00, transparent);
}

.features h2 {
    text-align: center;
    margin-bottom: 3rem;
    font-size: 2.2rem;
    color: #333;
    position: relative;
    padding-bottom: 1rem;
}

.features h2::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 60px;
    height: 3px;
    background: #00ff00;
}

.features-framework {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 1rem;
}

.features-main {
    margin-bottom: 2rem;
}

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

.feature-card {
    background: linear-gradient(135deg, #1a1a1a 0%, #333 100%);
    border-radius: 15px;
    padding: 2rem;
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
    box-shadow: 0 4px 15px rgba(0,0,0,0.1);
    border: 1px solid rgba(0,255,0,0.1);
    color: #fff;
}

.feature-card.primary {
    background: linear-gradient(135deg, #1a1a1a 0%, #333 100%);
    color: #fff;
    transform: scale(1.02);
    box-shadow: 0 6px 20px rgba(0,255,0,0.15);
}

.feature-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 25px rgba(0,255,0,0.2);
}

.feature-card.primary:hover {
    transform: translateY(-5px) scale(1.02);
}

.feature-icon {
    font-size: 2.5rem;
    margin-bottom: 1.5rem;
    display: inline-block;
    padding: 1rem;
    background: rgba(0,255,0,0.1);
    border-radius: 50%;
    line-height: 1;
    color: #00ff00;
}

.feature-content {
    position: relative;
    z-index: 1;
}

.feature-card h3 {
    color: #00ff00;
    margin-bottom: 1rem;
    font-size: 1.5rem;
    font-weight: 600;
}

.feature-card p {
    margin-bottom: 1.5rem;
    line-height: 1.6;
    color: #fff;
    opacity: 0.9;
}

.feature-details {
    list-style: none;
    margin-top: 1rem;
    text-align: left;
    padding-left: 1rem;
}

.feature-details li {
    margin: 0.8rem 0;
    position: relative;
    padding-left: 1.5rem;
    font-size: 0.95rem;
    color: #fff;
    opacity: 0.9;
}

.feature-details li:before {
    content: "→";
    position: absolute;
    left: 0;
    color: #00ff00;
}

/* About section */
.about {
    padding: 4rem 0;
    background-color: #f5f5f5;
    position: relative;
}

.about::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 1px;
    background: linear-gradient(90deg, transparent, #00ff00, transparent);
}

.about h2 {
    text-align: center;
    margin-bottom: 3rem;
    font-size: 2.2rem;
    color: #333;
    position: relative;
    padding-bottom: 1rem;
}

.about h2::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 60px;
    height: 3px;
    background: #00ff00;
}

.about-framework {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 1rem;
}

.about-main {
    margin-bottom: 3rem;
}

.about-content {
    background: linear-gradient(135deg, #1a1a1a 0%, #333 100%);
    border-radius: 15px;
    padding: 3rem;
    color: #fff;
    box-shadow: 0 4px 15px rgba(0,0,0,0.1);
    border: 1px solid rgba(0,255,0,0.1);
}

.about-content h3 {
    color: #00ff00;
    font-size: 1.8rem;
    margin-bottom: 1.5rem;
}

.about-content p {
    font-size: 1.1rem;
    line-height: 1.8;
    margin-bottom: 2rem;
    opacity: 0.9;
}

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

.stat-item {
    padding: 1.5rem;
    background: rgba(0,255,0,0.1);
    border-radius: 10px;
    border: 1px solid rgba(0,255,0,0.2);
}

.stat-number {
    display: block;
    font-size: 2.5rem;
    font-weight: bold;
    color: #00ff00;
    margin-bottom: 0.5rem;
}

.stat-label {
    font-size: 1rem;
    color: #fff;
    opacity: 0.9;
}

.about-features {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
}

.about-card {
    background: linear-gradient(135deg, #1a1a1a 0%, #333 100%);
    border-radius: 15px;
    padding: 2rem;
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
    box-shadow: 0 4px 15px rgba(0,0,0,0.1);
    border: 1px solid rgba(0,255,0,0.1);
    color: #fff;
}

.about-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 25px rgba(0,255,0,0.2);
}

.about-icon {
    font-size: 2.5rem;
    margin-bottom: 1.5rem;
    display: inline-block;
    padding: 1rem;
    background: rgba(0,255,0,0.1);
    border-radius: 50%;
    line-height: 1;
    color: #00ff00;
}

.about-card-content h4 {
    color: #00ff00;
    font-size: 1.3rem;
    margin-bottom: 1rem;
}

.about-card-content p {
    margin-bottom: 1.5rem;
    line-height: 1.6;
    opacity: 0.9;
}

.about-details {
    list-style: none;
    margin-top: 1rem;
    text-align: left;
    padding-left: 1rem;
}

.about-details li {
    margin: 0.8rem 0;
    position: relative;
    padding-left: 1.5rem;
    font-size: 0.95rem;
    opacity: 0.9;
}

.about-details li:before {
    content: "→";
    position: absolute;
    left: 0;
    color: #00ff00;
}

/* Contact section */
.contact {
    padding: 4rem 0;
    background-color: #1a1a1a;
    position: relative;
}

.contact::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 1px;
    background: linear-gradient(90deg, transparent, #00ff00, transparent);
}

.contact h2 {
    text-align: center;
    margin-bottom: 3rem;
    font-size: 2.2rem;
    color: #fff;
    position: relative;
    padding-bottom: 1rem;
}

.contact h2::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 60px;
    height: 3px;
    background: #00ff00;
}

.contact-framework {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 1rem;
}

.contact-main {
    margin-bottom: 3rem;
}

.contact-content {
    background: linear-gradient(135deg, #1a1a1a 0%, #333 100%);
    border-radius: 15px;
    padding: 3rem;
    color: #fff;
    box-shadow: 0 4px 15px rgba(0,0,0,0.1);
    border: 1px solid rgba(0,255,0,0.1);
}

.contact-content h3 {
    color: #00ff00;
    font-size: 1.8rem;
    margin-bottom: 1.5rem;
}

.contact-content p {
    font-size: 1.1rem;
    line-height: 1.8;
    margin-bottom: 2rem;
    opacity: 0.9;
}

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

.contact-stat {
    display: flex;
    align-items: center;
    padding: 1.5rem;
    background: rgba(0,255,0,0.1);
    border-radius: 10px;
    border: 1px solid rgba(0,255,0,0.2);
    transition: transform 0.3s ease;
}

.contact-stat:hover {
    transform: translateY(-5px);
    box-shadow: 0 5px 15px rgba(0,255,0,0.2);
}

.contact-icon {
    font-size: 2rem;
    margin-right: 1rem;
    color: #00ff00;
}

.contact-info h4 {
    color: #00ff00;
    font-size: 1.1rem;
    margin-bottom: 0.5rem;
}

.contact-info p {
    font-size: 0.9rem;
    margin: 0;
    opacity: 0.9;
}

.contact-features {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
}

.contact-card {
    background: linear-gradient(135deg, #1a1a1a 0%, #333 100%);
    border-radius: 15px;
    padding: 2rem;
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
    box-shadow: 0 4px 15px rgba(0,0,0,0.1);
    border: 1px solid rgba(0,255,0,0.1);
    color: #fff;
}

.contact-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 25px rgba(0,255,0,0.2);
}

.contact-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(45deg, transparent, rgba(0,255,0,0.1), transparent);
    transform: translateX(-100%);
    transition: transform 0.6s ease;
}

.contact-card:hover::before {
    transform: translateX(100%);
}

.contact-card-icon {
    font-size: 2.5rem;
    margin-bottom: 1.5rem;
    display: inline-block;
    padding: 1rem;
    background: rgba(0,255,0,0.1);
    border-radius: 50%;
    line-height: 1;
    color: #00ff00;
}

.contact-card-content h4 {
    color: #00ff00;
    font-size: 1.3rem;
    margin-bottom: 1rem;
}

.contact-card-content p {
    margin-bottom: 1.5rem;
    line-height: 1.6;
    opacity: 0.9;
}

.contact-details {
    list-style: none;
    margin-top: 1rem;
    text-align: left;
    padding-left: 1rem;
}

.contact-details li {
    margin: 0.8rem 0;
    position: relative;
    padding-left: 1.5rem;
    font-size: 0.95rem;
    opacity: 0.9;
}

.contact-details li:before {
    content: "→";
    position: absolute;
    left: 0;
    color: #00ff00;
}

/* Footer styles */
.footer {
    background-color: #000;
    color: #fff;
    padding: 2rem 0;
}

.footer .container {
    display: flex;
    flex-direction: column;
    gap: 2rem;
}

.footer-links {
    text-align: center;
}

.footer-links h3 {
    color: #00ff00;
    font-size: 1.3rem;
    margin-bottom: 1rem;
}

.footer-links ul {
    list-style: none;
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 1rem;
    padding: 0;
}

.footer-links ul li {
    margin: 0;
}

.footer-links ul li a {
    color: #fff;
    text-decoration: none;
    padding: 0.5rem 1rem;
    border-radius: 20px;
    background: rgba(0,255,0,0.1);
    border: 1px solid rgba(0,255,0,0.2);
    transition: all 0.3s ease;
}

.footer-links ul li a:hover {
    background: rgba(0,255,0,0.2);
    transform: translateY(-2px);
}

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

.footer-info p {
    margin: 0.5rem 0;
    font-size: 0.9rem;
    opacity: 0.8;
}

.footer-info a {
    color: #00ff00;
    text-decoration: none;
    transition: color 0.3s;
}

.footer-info a:hover {
    color: #fff;
}

/* Responsive footer */
@media (max-width: 768px) {
    .footer-links ul {
        flex-direction: column;
        align-items: center;
    }

    .footer-links ul li {
        width: 100%;
        text-align: center;
    }

    .footer-links ul li a {
        display: inline-block;
        width: 80%;
        margin: 0.3rem 0;
    }

    .footer-info p {
        font-size: 0.85rem;
    }
}

@media (max-width: 480px) {
    .footer {
        padding: 1.5rem 0;
    }

    .footer-links h3 {
        font-size: 1.2rem;
    }

    .footer-links ul li a {
        width: 90%;
        padding: 0.4rem 0.8rem;
        font-size: 0.9rem;
    }
}

/* Responsive design */
@media (max-width: 768px) {
    .service-row {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }

    .service-card.featured {
        transform: none;
    }

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

    .service-icon {
        font-size: 2rem;
        padding: 0.8rem;
    }

    .service-details li {
        font-size: 0.9rem;
    }

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

    .about-features {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 15px;
    }

    .hero {
        padding: 5rem 0 2rem;
    }

    .hero h2 {
        font-size: 1.8rem;
    }

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

    .hero-image {
        max-width: 100%;
    }

    .hero-features span {
        padding: 0.5rem 1rem;
        font-size: 0.85rem;
    }

    .service-card {
        padding: 1.2rem;
    }

    .service-card h3 {
        font-size: 1.3rem;
    }

    .service-details {
        padding-left: 0.5rem;
    }

    .services h2 {
        font-size: 1.8rem;
    }

    .service-icon {
        font-size: 1.8rem;
        padding: 0.6rem;
    }
}

/* Responsive design for services */
@media (max-width: 992px) {
    .service-row {
        gap: 1.5rem;
    }

    .service-card {
        padding: 1.5rem;
    }

    .service-card.featured {
        transform: none;
    }
}

/* Responsive design for features */
@media (max-width: 992px) {
    .features-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 1.5rem;
    }

    .feature-card {
        padding: 1.5rem;
    }
}

@media (max-width: 768px) {
    .features-grid {
        grid-template-columns: 1fr;
    }

    .feature-card.primary {
        transform: none;
    }

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

    .feature-icon {
        font-size: 2rem;
        padding: 0.8rem;
    }
}

@media (max-width: 480px) {
    .features h2 {
        font-size: 1.8rem;
    }

    .feature-card {
        padding: 1.2rem;
    }

    .feature-card h3 {
        font-size: 1.3rem;
    }

    .feature-details li {
        font-size: 0.9rem;
    }

    .feature-icon {
        font-size: 1.8rem;
        padding: 0.6rem;
    }
}

/* Responsive design for about */
@media (max-width: 992px) {
    .about-content {
        padding: 2rem;
    }

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

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

@media (max-width: 768px) {
    .about-stats {
        grid-template-columns: 1fr;
    }

    .about-features {
        grid-template-columns: 1fr;
    }

    .about-content h3 {
        font-size: 1.5rem;
    }

    .about-content p {
        font-size: 1rem;
    }

    .stat-number {
        font-size: 2rem;
    }
}

@media (max-width: 480px) {
    .about h2 {
        font-size: 1.8rem;
    }

    .about-content {
        padding: 1.5rem;
    }

    .about-card {
        padding: 1.5rem;
    }

    .about-icon {
        font-size: 2rem;
        padding: 0.8rem;
    }

    .about-card-content h4 {
        font-size: 1.2rem;
    }
}

/* Responsive design for contact */
@media (max-width: 992px) {
    .contact-content {
        padding: 2rem;
    }

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

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

@media (max-width: 768px) {
    .contact-stats {
        grid-template-columns: 1fr;
    }

    .contact-features {
        grid-template-columns: 1fr;
    }

    .contact-content h3 {
        font-size: 1.5rem;
    }

    .contact-content p {
        font-size: 1rem;
    }

    .contact-stat {
        padding: 1rem;
    }
}

@media (max-width: 480px) {
    .contact h2 {
        font-size: 1.8rem;
    }

    .contact-content {
        padding: 1.5rem;
    }

    .contact-card {
        padding: 1.5rem;
    }

    .contact-card-icon {
        font-size: 2rem;
        padding: 0.8rem;
    }

    .contact-card-content h4 {
        font-size: 1.2rem;
    }
}

/* Footer responsive */
@media (max-width: 768px) {
    .footer {
        padding: 1.5rem 0;
    }

    .footer p {
        font-size: 0.9rem;
    }
}

/* General responsive improvements */
@media (max-width: 480px) {
    h2 {
        font-size: 1.8rem;
    }

    .service-card,
    .feature-card,
    .about-card,
    .contact-card {
        padding: 1.2rem;
    }

    .service-icon,
    .feature-icon,
    .about-icon,
    .contact-card-icon {
        font-size: 1.8rem;
        padding: 0.6rem;
    }
}

/* Fix for very small screens */
@media (max-width: 360px) {
    .container {
        padding: 0 10px;
    }

    h2 {
        font-size: 1.6rem;
    }

    .hero h2 {
        font-size: 1.6rem;
    }

    .hero-features span {
        font-size: 0.8rem;
        padding: 0.4rem 0.8rem;
    }
}

/* Ensure images are responsive */
img {
    max-width: 100%;
    height: auto;
}

/* Improve touch targets on mobile */
@media (max-width: 768px) {
    a, button {
        min-height: 44px;
        min-width: 44px;
    }

    .nav ul li a {
        padding: 0.5rem 1rem;
        display: block;
    }
}

/* Improve readability on mobile */
@media (max-width: 768px) {
    body {
        font-size: 16px;
        line-height: 1.5;
    }

    p {
        margin-bottom: 1rem;
    }
}

/* Fix spacing issues on mobile */
@media (max-width: 768px) {
    section {
        padding: 3rem 0;
    }

    .service-row,
    .features-grid,
    .about-features,
    .contact-features {
        gap: 1rem;
    }
}