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

body {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
    line-height: 1.8;
    color: #333;
    background-color: #f5f7fa;
}

.header {
    background: linear-gradient(135deg, #1a1a2e 0%, #16213e 100%);
    padding: 1rem 0;
    position: sticky;
    top: 0;
    z-index: 1000;
    box-shadow: 0 2px 20px rgba(0,0,0,0.1);
}

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

.logo {
    font-size: 1.8rem;
    font-weight: bold;
    color: #fff;
    text-decoration: none;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.logo-emoji {
    font-size: 2rem;
}

.nav-links {
    display: flex;
    list-style: none;
    gap: 2rem;
}

.nav-links a {
    color: #fff;
    text-decoration: none;
    padding: 0.5rem 1rem;
    border-radius: 8px;
    transition: all 0.3s ease;
    font-size: 1rem;
}

.nav-links a:hover {
    background: rgba(255,255,255,0.15);
    color: #00d4ff;
}

.mobile-menu-btn {
    display: none;
    background: none;
    border: none;
    color: #fff;
    font-size: 1.5rem;
    cursor: pointer;
}

.hero {
    background: linear-gradient(135deg, #1a1a2e 0%, #16213e 50%, #0f3460 100%);
    color: #fff;
    padding: 6rem 2rem;
    text-align: center;
    min-height: 70vh;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
}

.hero h1 {
    font-size: 3rem;
    margin-bottom: 1.5rem;
    text-shadow: 2px 2px 4px rgba(0,0,0,0.3);
}

.hero p {
    font-size: 1.3rem;
    max-width: 800px;
    margin-bottom: 2rem;
    opacity: 0.95;
}

.hero-features {
    display: flex;
    gap: 3rem;
    flex-wrap: wrap;
    justify-content: center;
    margin-top: 2rem;
}

.hero-feature {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 1.1rem;
}

.hero-cta {
    margin-top: 3rem;
    display: flex;
    gap: 1.5rem;
    flex-wrap: wrap;
    justify-content: center;
}

.btn-primary {
    background: linear-gradient(135deg, #00d4ff 0%, #0099cc 100%);
    color: #fff;
    padding: 1rem 2.5rem;
    border: none;
    border-radius: 50px;
    font-size: 1.1rem;
    cursor: pointer;
    text-decoration: none;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
}

.btn-primary:hover {
    transform: translateY(-3px);
    box-shadow: 0 10px 30px rgba(0,212,255,0.3);
}

.btn-secondary {
    background: transparent;
    color: #fff;
    padding: 1rem 2.5rem;
    border: 2px solid #fff;
    border-radius: 50px;
    font-size: 1.1rem;
    cursor: pointer;
    text-decoration: none;
    transition: all 0.3s ease;
}

.btn-secondary:hover {
    background: #fff;
    color: #1a1a2e;
}

.section {
    padding: 5rem 2rem;
    max-width: 1200px;
    margin: 0 auto;
}

.section-title {
    text-align: center;
    font-size: 2.5rem;
    margin-bottom: 1rem;
    color: #1a1a2e;
}

.section-subtitle {
    text-align: center;
    color: #666;
    font-size: 1.1rem;
    margin-bottom: 3rem;
}

.products-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 2rem;
    margin-top: 2rem;
}

.product-card {
    background: #fff;
    border-radius: 16px;
    padding: 2rem;
    box-shadow: 0 5px 30px rgba(0,0,0,0.08);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    text-align: center;
}

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

.product-icon {
    font-size: 3.5rem;
    margin-bottom: 1.5rem;
}

.product-card h3 {
    font-size: 1.4rem;
    margin-bottom: 1rem;
    color: #1a1a2e;
}

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

.features-section {
    background: #fff;
    padding: 5rem 2rem;
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
    max-width: 1200px;
    margin: 0 auto;
}

.feature-item {
    text-align: center;
    padding: 2rem;
}

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

.feature-item h3 {
    font-size: 1.3rem;
    margin-bottom: 0.8rem;
    color: #1a1a2e;
}

.feature-item p {
    color: #666;
    font-size: 0.95rem;
}

.news-section {
    background: #f5f7fa;
    padding: 5rem 2rem;
}

.news-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 2rem;
    max-width: 1200px;
    margin: 0 auto;
}

.news-card {
    background: #fff;
    border-radius: 12px;
    overflow: hidden;
    box-shadow: 0 5px 20px rgba(0,0,0,0.08);
    transition: transform 0.3s ease;
}

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

.news-content {
    padding: 1.5rem;
}

.news-date {
    color: #999;
    font-size: 0.9rem;
    margin-bottom: 0.5rem;
}

.news-card h3 {
    font-size: 1.2rem;
    margin-bottom: 1rem;
    color: #1a1a2e;
    line-height: 1.5;
}

.news-card p {
    color: #666;
    font-size: 0.95rem;
    line-height: 1.7;
}

.news-tag {
    display: inline-block;
    background: #e8f4ff;
    color: #0099cc;
    padding: 0.3rem 0.8rem;
    border-radius: 20px;
    font-size: 0.85rem;
    margin-bottom: 1rem;
}

.about-section {
    background: #fff;
    padding: 5rem 2rem;
}

.about-content {
    max-width: 900px;
    margin: 0 auto;
}

.about-content p {
    font-size: 1.1rem;
    line-height: 2;
    color: #444;
    margin-bottom: 1.5rem;
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 2rem;
    margin: 3rem 0;
    max-width: 1000px;
    margin-left: auto;
    margin-right: auto;
}

.stat-item {
    text-align: center;
    padding: 2rem;
    background: linear-gradient(135deg, #f8f9ff 0%, #fff 100%);
    border-radius: 12px;
}

.stat-number {
    font-size: 3rem;
    font-weight: bold;
    color: #0099cc;
    display: block;
}

.stat-label {
    color: #666;
    font-size: 1rem;
    margin-top: 0.5rem;
}

.contact-section {
    background: linear-gradient(135deg, #1a1a2e 0%, #16213e 100%);
    color: #fff;
    padding: 5rem 2rem;
}

.contact-section .section-title {
    color: #fff;
}

.contact-section .section-subtitle {
    color: rgba(255,255,255,0.8);
}

.contact-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 2rem;
    max-width: 1000px;
    margin: 0 auto;
}

.contact-card {
    background: rgba(255,255,255,0.1);
    padding: 2rem;
    border-radius: 12px;
    text-align: center;
    backdrop-filter: blur(10px);
}

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

.contact-card h3 {
    font-size: 1.2rem;
    margin-bottom: 0.8rem;
}

.contact-card p {
    color: rgba(255,255,255,0.85);
    font-size: 1rem;
}

.footer {
    background: #0d0d1a;
    color: #fff;
    padding: 3rem 2rem 1.5rem;
    text-align: center;
}

.footer-content {
    max-width: 1200px;
    margin: 0 auto;
}

.footer-links {
    display: flex;
    justify-content: center;
    gap: 2rem;
    margin-bottom: 2rem;
    flex-wrap: wrap;
}

.footer-links a {
    color: rgba(255,255,255,0.8);
    text-decoration: none;
    transition: color 0.3s ease;
}

.footer-links a:hover {
    color: #00d4ff;
}

.footer-social {
    display: flex;
    justify-content: center;
    gap: 1.5rem;
    margin-bottom: 2rem;
}

.social-link {
    font-size: 1.8rem;
    transition: transform 0.3s ease;
}

.social-link:hover {
    transform: scale(1.2);
}

.footer-copyright {
    color: rgba(255,255,255,0.6);
    font-size: 0.9rem;
    padding-top: 2rem;
    border-top: 1px solid rgba(255,255,255,0.1);
}

.page-header {
    background: linear-gradient(135deg, #1a1a2e 0%, #16213e 100%);
    color: #fff;
    padding: 4rem 2rem;
    text-align: center;
}

.page-header h1 {
    font-size: 2.5rem;
    margin-bottom: 1rem;
}

.page-header p {
    font-size: 1.1rem;
    opacity: 0.9;
}

.breadcrumb {
    max-width: 1200px;
    margin: 0 auto;
    padding: 1.5rem 2rem;
    color: #666;
    font-size: 0.95rem;
}

.breadcrumb a {
    color: #0099cc;
    text-decoration: none;
}

.breadcrumb a:hover {
    text-decoration: underline;
}

.page-content {
    max-width: 1200px;
    margin: 0 auto;
    padding: 3rem 2rem;
}

.content-block {
    margin-bottom: 4rem;
}

.content-block h2 {
    font-size: 1.8rem;
    color: #1a1a2e;
    margin-bottom: 1.5rem;
    padding-bottom: 0.8rem;
    border-bottom: 3px solid #00d4ff;
    display: inline-block;
}

.content-block p {
    font-size: 1.05rem;
    line-height: 2;
    color: #444;
    margin-bottom: 1.2rem;
}

.content-block ul {
    list-style: none;
    padding-left: 0;
}

.content-block ul li {
    padding: 0.8rem 0;
    padding-left: 2rem;
    position: relative;
    font-size: 1.05rem;
    color: #444;
}

.content-block ul li::before {
    content: "✅";
    position: absolute;
    left: 0;
}

.article-list {
    margin-top: 2rem;
}

.article-item {
    background: #fff;
    border-radius: 12px;
    padding: 2rem;
    margin-bottom: 1.5rem;
    box-shadow: 0 3px 15px rgba(0,0,0,0.06);
    transition: transform 0.3s ease;
}

.article-item:hover {
    transform: translateX(10px);
}

.article-meta {
    display: flex;
    gap: 1.5rem;
    margin-bottom: 1rem;
    font-size: 0.9rem;
    color: #999;
}

.article-meta span {
    display: flex;
    align-items: center;
    gap: 0.3rem;
}

.article-item h3 {
    font-size: 1.3rem;
    color: #1a1a2e;
    margin-bottom: 1rem;
}

.article-item p {
    color: #666;
    line-height: 1.8;
}

.article-tag {
    display: inline-block;
    background: #00d4ff;
    color: #fff;
    padding: 0.2rem 0.8rem;
    border-radius: 20px;
    font-size: 0.8rem;
    margin-right: 0.5rem;
}

@keyframes fadeIn {
    from { opacity: 0; transform: translateY(20px); }
    to { opacity: 1; transform: translateY(0); }
}

.fade-in {
    animation: fadeIn 0.6s ease forwards;
}

@media (max-width: 768px) {
    .nav-links {
        display: none;
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        background: #1a1a2e;
        flex-direction: column;
        padding: 1rem;
        gap: 0.5rem;
    }

    .nav-links.active {
        display: flex;
    }

    .mobile-menu-btn {
        display: block;
    }

    .hero h1 {
        font-size: 2rem;
    }

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

    .hero-features {
        flex-direction: column;
        gap: 1rem;
    }

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

    .products-grid,
    .news-grid {
        grid-template-columns: 1fr;
    }

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