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

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'PingFang SC', 'Hiragino Sans GB', 'Microsoft YaHei', sans-serif;
    line-height: 1.6;
    color: #e0e0e0;
    background: linear-gradient(135deg, #0a0e27 0%, #1a1f3a 100%);
    overflow-x: hidden
}

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

.header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background: rgba(10, 14, 39, 0.95);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid rgba(99, 102, 241, 0.2);
    z-index: 1000;
    padding: 15px 0
}

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

.logo h1 {
    font-size: 24px;
    font-weight: 700;
    color: #fff;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text
}

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

.nav a {
    color: #b8b8b8;
    text-decoration: none;
    font-weight: 500;
    transition: all .3s ease;
    padding: 8px 16px;
    border-radius: 20px
}

.nav a:hover {
    color: #fff;
    background: rgba(99, 102, 241, 0.2)
}

.hero-section {
    min-height: 100vh;
    display: flex;
    align-items: center;
    padding-top: 80px;
    background: linear-gradient(135deg, rgba(99, 102, 241, 0.1) 0%, rgba(118, 75, 162, 0.1) 100%);
    position: relative;
    overflow: hidden
}

.hero-section::before {
    content: '';
    position: absolute;
    top: -50%;
    right: -50%;
    width: 200%;
    height: 200%;
    background: radial-gradient(circle, rgba(99, 102, 241, 0.05) 0%, transparent 70%);
    animation: rotate 30s linear infinite
}

@keyframes rotate {
    from { transform: rotate(0deg) }
    to { transform: rotate(360deg) }
}

.hero-content {
    text-align: center;
    max-width: 900px;
    margin: 0 auto;
    position: relative;
    z-index: 1
}

.hero-content h2 {
    font-size: 48px;
    font-weight: 800;
    color: #fff;
    margin-bottom: 20px;
    line-height: 1.2
}

.hero-subtitle {
    font-size: 24px;
    color: #a78bfa;
    margin-bottom: 25px;
    font-weight: 500
}

.hero-description {
    font-size: 18px;
    color: #9ca3af;
    margin-bottom: 40px;
    line-height: 1.8
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 25px;
    margin-top: 50px
}

.stat-item {
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid rgba(99, 102, 241, 0.2);
    border-radius: 12px;
    padding: 30px 20px;
    transition: all .3s ease
}

.stat-item:hover {
    transform: translateY(-5px);
    border-color: rgba(99, 102, 241, 0.5);
    box-shadow: 0 10px 40px rgba(99, 102, 241, 0.2)
}

.stat-number {
    display: block;
    font-size: 32px;
    font-weight: 800;
    color: #667eea;
    margin-bottom: 8px
}

.stat-label {
    color: #9ca3af;
    font-size: 16px
}

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

.section-intro {
    text-align: center;
    color: #9ca3af;
    font-size: 18px;
    margin-bottom: 50px;
    max-width: 700px;
    margin-left: auto;
    margin-right: auto
}

.features-section {
    padding: 100px 0;
    background: linear-gradient(180deg, transparent 0%, rgba(99, 102, 241, 0.02) 50%, transparent 100%)
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 30px;
    margin-top: 50px
}

.feature-card {
    background: linear-gradient(135deg, rgba(255, 255, 255, 0.04) 0%, rgba(255, 255, 255, 0.01) 100%);
    border: 1px solid rgba(99, 102, 241, 0.15);
    border-radius: 16px;
    padding: 35px;
    transition: all .3s ease
}

.feature-card:hover {
    transform: translateY(-8px);
    border-color: rgba(99, 102, 241, 0.4);
    box-shadow: 0 20px 60px rgba(99, 102, 241, 0.15)
}

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

.feature-card h3 {
    font-size: 22px;
    color: #fff;
    margin-bottom: 15px;
    font-weight: 600
}

.feature-card p {
    color: #9ca3af;
    line-height: 1.7
}

.products-section {
    padding: 100px 0;
    background: rgba(0, 0, 0, 0.2)
}

.product-categories {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(340px, 1fr));
    gap: 30px
}

.category-card {
    background: linear-gradient(135deg, rgba(99, 102, 241, 0.08) 0%, rgba(118, 75, 162, 0.08) 100%);
    border: 1px solid rgba(99, 102, 241, 0.2);
    border-radius: 16px;
    padding: 35px;
    transition: all .3s ease
}

.category-card:hover {
    border-color: rgba(99, 102, 241, 0.5);
    transform: scale(1.02)
}

.category-card h3 {
    font-size: 24px;
    color: #fff;
    margin-bottom: 15px;
    font-weight: 600
}

.category-card > p {
    color: #b8b8b8;
    margin-bottom: 20px;
    line-height: 1.7
}

.feature-list {
    list-style: none
}

.feature-list li {
    color: #9ca3af;
    padding: 8px 0;
    font-size: 15px
}

.news-section {
    padding: 100px 0;
    background: linear-gradient(180deg, transparent 0%, rgba(118, 75, 162, 0.05) 50%, transparent 100%)
}

.news-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(350px, 1fr));
    gap: 30px;
    margin-top: 50px
}

.news-card {
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid rgba(99, 102, 241, 0.15);
    border-radius: 12px;
    padding: 28px;
    transition: all .3s ease;
    position: relative
}

.news-card:hover {
    border-color: rgba(99, 102, 241, 0.4);
    transform: translateY(-5px);
    box-shadow: 0 15px 45px rgba(99, 102, 241, 0.1)
}

.news-card.featured {
    grid-column: span 2;
    border-color: rgba(239, 68, 68, 0.3);
    background: linear-gradient(135deg, rgba(239, 68, 68, 0.05) 0%, rgba(99, 102, 241, 0.05) 100%)
}

.news-badge {
    position: absolute;
    top: 15px;
    right: 15px;
    background: linear-gradient(135deg, #ef4444 0%, #dc2626 100%);
    color: #fff;
    padding: 5px 12px;
    border-radius: 20px;
    font-size: 13px;
    font-weight: 600
}

.news-card h3 {
    font-size: 19px;
    color: #fff;
    margin-bottom: 12px;
    font-weight: 600;
    line-height: 1.4;
    padding-right: 70px
}

.news-meta {
    display: flex;
    gap: 15px;
    margin-bottom: 15px;
    font-size: 14px;
    color: #6b7280
}

.date::before {
    content: '🕐 '
}

.category::before {
    content: '📂 '
}

.news-card p {
    color: #9ca3af;
    line-height: 1.7;
    font-size: 15px;
    margin-bottom: 10px
}

.contact-section {
    padding: 100px 0;
    background: rgba(0, 0, 0, 0.2)
}

.contact-wrapper {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 50px;
    margin-top: 50px
}

.contact-info {
    display: flex;
    flex-direction: column;
    gap: 25px
}

.contact-item {
    background: rgba(255, 255, 255, 0.03);
    border-left: 3px solid #667eea;
    padding: 20px 25px;
    border-radius: 8px
}

.contact-item h3 {
    color: #fff;
    font-size: 18px;
    margin-bottom: 10px;
    font-weight: 600
}

.contact-item p {
    color: #9ca3af;
    font-size: 15px;
    line-height: 1.6
}

.contact-form-wrapper {
    background: linear-gradient(135deg, rgba(99, 102, 241, 0.08) 0%, rgba(118, 75, 162, 0.08) 100%);
    border: 1px solid rgba(99, 102, 241, 0.2);
    border-radius: 16px;
    padding: 40px
}

.contact-form h3 {
    color: #fff;
    font-size: 24px;
    margin-bottom: 25px;
    font-weight: 600
}

.form-group {
    margin-bottom: 20px
}

.form-group label {
    display: block;
    color: #d1d5db;
    margin-bottom: 8px;
    font-size: 15px;
    font-weight: 500
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 12px 16px;
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(99, 102, 241, 0.2);
    border-radius: 8px;
    color: #fff;
    font-size: 15px;
    transition: all .3s ease
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: #667eea;
    box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.1)
}

.form-group select option {
    background: #1a1f3a;
    color: #fff
}

.submit-btn {
    width: 100%;
    padding: 14px;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: #fff;
    border: none;
    border-radius: 8px;
    font-size: 16px;
    font-weight: 600;
    cursor: pointer;
    transition: all .3s ease
}

.submit-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 30px rgba(99, 102, 241, 0.3)
}

.about-section {
    padding: 100px 0
}

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

.about-text h3 {
    color: #fff;
    font-size: 26px;
    margin-top: 40px;
    margin-bottom: 20px;
    font-weight: 600
}

.about-text p {
    color: #9ca3af;
    line-height: 1.8;
    margin-bottom: 15px;
    font-size: 16px
}

.values-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 25px;
    margin-top: 25px
}

.value-item {
    background: rgba(99, 102, 241, 0.06);
    border: 1px solid rgba(99, 102, 241, 0.15);
    border-radius: 12px;
    padding: 25px
}

.value-item strong {
    color: #fff;
    font-size: 18px;
    display: block;
    margin-bottom: 10px
}

.value-item p {
    color: #9ca3af;
    font-size: 15px;
    line-height: 1.7
}

.timeline {
    margin-top: 30px;
    position: relative;
    padding-left: 30px
}

.timeline::before {
    content: '';
    position: absolute;
    left: 0;
    top: 0;
    bottom: 0;
    width: 2px;
    background: linear-gradient(180deg, #667eea 0%, #764ba2 100%)
}

.timeline-item {
    position: relative;
    margin-bottom: 25px;
    padding-left: 25px
}

.timeline-item::before {
    content: '';
    position: absolute;
    left: -34px;
    top: 5px;
    width: 12px;
    height: 12px;
    background: #667eea;
    border-radius: 50%;
    border: 2px solid #1a1f3a
}

.year {
    color: #667eea;
    font-weight: 700;
    font-size: 18px;
    margin-bottom: 5px
}

.event {
    color: #9ca3af;
    line-height: 1.6
}

.certifications {
    display: flex;
    flex-wrap: wrap;
    gap: 15px;
    margin-top: 20px
}

.cert-item {
    background: linear-gradient(135deg, rgba(99, 102, 241, 0.1) 0%, rgba(118, 75, 162, 0.1) 100%);
    border: 1px solid rgba(99, 102, 241, 0.2);
    padding: 12px 20px;
    border-radius: 8px;
    color: #d1d5db;
    font-size: 15px
}

.footer {
    background: rgba(0, 0, 0, 0.4);
    border-top: 1px solid rgba(99, 102, 241, 0.15);
    padding: 60px 0 30px;
    margin-top: 80px
}

.footer-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 40px;
    margin-bottom: 40px
}

.footer-column h4 {
    color: #fff;
    font-size: 18px;
    margin-bottom: 20px;
    font-weight: 600
}

.footer-column p {
    color: #9ca3af;
    line-height: 1.7;
    font-size: 14px
}

.footer-column ul {
    list-style: none
}

.footer-column ul li {
    margin-bottom: 10px
}

.footer-column a {
    color: #9ca3af;
    text-decoration: none;
    font-size: 14px;
    transition: color .3s ease
}

.footer-column a:hover {
    color: #667eea
}

.footer-bottom {
    border-top: 1px solid rgba(99, 102, 241, 0.1);
    padding-top: 25px;
    text-align: center
}

.footer-bottom p {
    color: #6b7280;
    font-size: 14px;
    margin-bottom: 8px
}

html {
    scroll-behavior: smooth
}

@media (max-width: 768px) {
    .header .container {
        flex-direction: column;
        gap: 15px
    }

    .nav ul {
        flex-direction: column;
        gap: 10px;
        text-align: center
    }

    .hero-content h2 {
        font-size: 32px
    }

    .hero-subtitle {
        font-size: 18px
    }

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

    .contact-wrapper {
        grid-template-columns: 1fr
    }

    .news-card.featured {
        grid-column: span 1
    }

    .section-title {
        font-size: 28px
    }
}