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

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Microsoft YaHei', sans-serif;
    line-height: 1.6;
    color: #333;
    background-color: #f5f7fa
}

a {
    text-decoration: none;
    color: inherit
}

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

header {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    padding: 20px 0;
    position: sticky;
    top: 0;
    z-index: 1000;
    box-shadow: 0 2px 10px rgba(0,0,0,0.1)
}

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

.logo {
    font-size: 28px;
    font-weight: bold;
    display: flex;
    align-items: center;
    gap: 10px
}

.logo-emoji {
    font-size: 32px
}

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

nav a {
    color: white;
    font-weight: 500;
    transition: opacity .3s;
    padding: 8px 16px;
    border-radius: 4px
}

nav a:hover {
    background-color: rgba(255,255,255,0.2)
}

.hero {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    padding: 80px 0;
    text-align: center
}

.hero h1 {
    font-size: 48px;
    margin-bottom: 20px;
    animation: fadeInUp 1s ease-out
}

.hero p {
    font-size: 20px;
    margin-bottom: 30px;
    opacity: .95;
    animation: fadeInUp 1s ease-out .3s both
}

.hero-buttons {
    display: flex;
    gap: 20px;
    justify-content: center;
    flex-wrap: wrap;
    animation: fadeInUp 1s ease-out .6s both
}

.btn {
    padding: 15px 35px;
    border-radius: 50px;
    font-size: 16px;
    font-weight: 600;
    cursor: pointer;
    transition: all .3s;
    border: none;
    display: inline-flex;
    align-items: center;
    gap: 8px
}

.btn-primary {
    background-color: white;
    color: #667eea
}

.btn-primary:hover {
    transform: translateY(-3px);
    box-shadow: 0 10px 25px rgba(0,0,0,0.2)
}

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

.btn-secondary:hover {
    background-color: rgba(255,255,255,0.1);
    transform: translateY(-3px)
}

section {
    padding: 80px 0
}

.section-title {
    text-align: center;
    font-size: 36px;
    margin-bottom: 15px;
    color: #333
}

.section-subtitle {
    text-align: center;
    font-size: 18px;
    color: #666;
    margin-bottom: 50px
}

.features {
    background-color: white
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 30px
}

.feature-card {
    background: white;
    padding: 40px 30px;
    border-radius: 12px;
    box-shadow: 0 4px 20px rgba(0,0,0,0.08);
    transition: all .3s;
    text-align: center
}

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

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

.feature-card h3 {
    font-size: 22px;
    margin-bottom: 15px;
    color: #333
}

.feature-card p {
    color: #666;
    line-height: 1.8
}

.products {
    background-color: #f9fafb
}

.products-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 30px
}

.product-card {
    background: white;
    border-radius: 12px;
    overflow: hidden;
    box-shadow: 0 4px 20px rgba(0,0,0,0.08);
    transition: all .3s
}

.product-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 15px 40px rgba(0,0,0,0.15)
}

.product-header {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    padding: 30px;
    text-align: center
}

.product-header h3 {
    font-size: 24px;
    margin-bottom: 10px
}

.product-body {
    padding: 30px
}

.product-feature-list {
    list-style: none;
    margin-bottom: 25px
}

.product-feature-list li {
    padding: 10px 0;
    border-bottom: 1px solid #eee;
    display: flex;
    align-items: center;
    gap: 10px
}

.product-feature-list li:last-child {
    border-bottom: none
}

.news {
    background-color: white
}

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

.news-card {
    background: white;
    border-radius: 12px;
    overflow: hidden;
    box-shadow: 0 4px 20px rgba(0,0,0,0.08);
    transition: all .3s;
    border-left: 4px solid #667eea
}

.news-card:hover {
    transform: translateX(8px);
    box-shadow: 0 10px 30px rgba(0,0,0,0.15)
}

.news-date {
    background-color: #f8f9fa;
    padding: 15px 25px;
    font-size: 14px;
    color: #666;
    display: flex;
    align-items: center;
    gap: 8px
}

.news-content {
    padding: 25px
}

.news-content h3 {
    font-size: 18px;
    margin-bottom: 12px;
    color: #333;
    line-height: 1.4
}

.news-content p {
    color: #666;
    font-size: 14px;
    line-height: 1.8
}

.about {
    background: linear-gradient(135deg, #f093fb 0%, #f5576c 100%);
    color: white
}

.about .section-title,
.about .section-subtitle {
    color: white
}

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

.about-item {
    background: rgba(255,255,255,0.15);
    backdrop-filter: blur(10px);
    padding: 35px;
    border-radius: 12px
}

.about-item h3 {
    font-size: 24px;
    margin-bottom: 15px;
    display: flex;
    align-items: center;
    gap: 10px
}

.about-item p {
    line-height: 1.8;
    opacity: .95
}

.contact {
    background-color: #f9fafb
}

.contact-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px
}

.contact-card {
    background: white;
    padding: 40px;
    border-radius: 12px;
    box-shadow: 0 4px 20px rgba(0,0,0,0.08);
    text-align: center
}

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

.contact-card h3 {
    font-size: 22px;
    margin-bottom: 15px;
    color: #333
}

.contact-card p {
    color: #666;
    line-height: 1.8
}

.stats {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    padding: 60px 0
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 30px;
    text-align: center
}

.stat-item h3 {
    font-size: 42px;
    margin-bottom: 10px
}

.stat-item p {
    font-size: 16px;
    opacity: .9
}

footer {
    background-color: #1a1a2e;
    color: white;
    padding: 50px 0 30px
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 40px;
    margin-bottom: 40px
}

.footer-section h4 {
    font-size: 20px;
    margin-bottom: 20px;
    color: #fff
}

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

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

.footer-section a {
    color: #aaa;
    transition: color .3s
}

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

.footer-bottom {
    text-align: center;
    padding-top: 30px;
    border-top: 1px solid rgba(255,255,255,0.1);
    color: #888;
    font-size: 14px
}

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

@media (max-width: 768px) {
    .header-content {
        flex-direction: column;
        gap: 20px
    }
    
    nav ul {
        flex-wrap: wrap;
        justify-content: center;
        gap: 10px
    }
    
    .hero h1 {
        font-size: 32px
    }
    
    .hero p {
        font-size: 16px
    }
    
    section {
        padding: 50px 0
    }
    
    .section-title {
        font-size: 28px
    }
    
    .btn {
        padding: 12px 25px;
        font-size: 14px
    }
}
