/* 全局样式 */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Noto Sans SC', sans-serif;
    line-height: 1.6;
    color: #333;
    overflow-x: hidden;
}

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

/* 导航栏 */
.navbar {
    position: fixed;
    top: 0;
    width: 100%;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    z-index: 1000;
    transition: all 0.3s ease;
    box-shadow: 0 2px 20px rgba(0, 0, 0, 0.1);
}

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 70px;
}

.nav-logo {
    display: flex;
    align-items: center;
    font-size: 24px;
    font-weight: 700;
    color: #6dd400;
}

.logo-img {
    width: 40px;
    height: 40px;
    margin-right: 10px;
    object-fit: contain;
}

.footer-logo-img {
    width: 30px;
    height: 30px;
    margin-right: 10px;
    object-fit: contain;
    background: white;
    border-radius: 4px;
    padding: 2px;
}

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

.nav-menu a {
    text-decoration: none;
    color: #333;
    font-weight: 500;
    transition: color 0.3s ease;
    position: relative;
}

.nav-menu a:hover {
    color: #6dd400;
}

.nav-menu a::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 0;
    height: 2px;
    background: #6dd400;
    transition: width 0.3s ease;
}

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

.hamburger {
    display: none;
    flex-direction: column;
    cursor: pointer;
}

.hamburger span {
    width: 25px;
    height: 3px;
    background: #333;
    margin: 3px 0;
    transition: 0.3s;
}

/* 首页轮播 */
.hero {
    min-height: 600px;
    padding: 120px 0 80px 0;
    background: #f8f9fa;
}

.hero-container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

.hero-slider {
    position: relative;
    width: 100%;
    height: 700px;
    border-radius: 20px;
    overflow: hidden;
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.1);
    background: white;
}

.slide {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    opacity: 0;
    transition: opacity 1s ease-in-out;
}

.slide.active {
    opacity: 1;
}

.slide-bg {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-size: contain;
    background-position: center;
    background-repeat: no-repeat;
    background-color: white;
}

.slide-content {
    display: none;
}

.cta-button {
    display: inline-block;
    padding: 15px 40px;
    background: linear-gradient(135deg, #333, #555);
    color: white;
    text-decoration: none;
    border-radius: 50px;
    font-weight: 600;
    font-size: 1.1rem;
    transition: all 0.3s ease;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.3);
}

.cta-button:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(0, 0, 0, 0.4);
    background: linear-gradient(135deg, #555, #777);
}

.slider-controls {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    width: 100%;
    display: flex;
    justify-content: space-between;
    padding: 0 30px;
    z-index: 3;
}

.slider-controls button {
    background: rgba(0, 0, 0, 0.6);
    border: 2px solid rgba(255, 255, 255, 0.8);
    color: white;
    width: 50px;
    height: 50px;
    border-radius: 50%;
    cursor: pointer;
    transition: all 0.3s ease;
    backdrop-filter: blur(10px);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.3);
}

.slider-controls button:hover {
    background: rgba(0, 0, 0, 0.8);
    border-color: white;
    transform: scale(1.1);
    box-shadow: 0 6px 16px rgba(0, 0, 0, 0.4);
}

.slider-dots {
    position: absolute;
    bottom: 20px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    gap: 10px;
    z-index: 3;
}

/* 右侧内容区域 */
.hero-content {
    display: flex;
    flex-direction: column;
    justify-content: center;
    height: 700px;
}

.hero-title {
    font-size: 3rem;
    font-weight: 700;
    color: #333;
    margin-bottom: 20px;
    line-height: 1.2;
}

.hero-subtitle {
    font-size: 1.3rem;
    color: #666;
    margin-bottom: 30px;
    line-height: 1.6;
}

.hero-description {
    font-size: 1.1rem;
    color: #555;
    margin-bottom: 40px;
    line-height: 1.8;
}

.hero-features {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
    margin-bottom: 40px;
}

.hero-feature {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 15px;
    background: white;
    border-radius: 10px;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
}

.hero-feature-icon {
    width: 40px;
    height: 40px;
    background: #6dd400;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 1.2rem;
}

.hero-feature-text {
    font-size: 0.9rem;
    color: #333;
    font-weight: 500;
}

.dot {
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background: rgba(0, 0, 0, 0.3);
    cursor: pointer;
    transition: all 0.3s ease;
    border: 2px solid rgba(255, 255, 255, 0.8);
}

.dot.active {
    background: #6dd400;
    border-color: white;
    transform: scale(1.2);
    box-shadow: 0 2px 8px rgba(109, 212, 0, 0.4);
}

/* 通用区块样式 */
section {
    padding: 80px 0;
}

.section-header {
    text-align: center;
    margin-bottom: 60px;
}

.section-header h2 {
    font-size: 2.5rem;
    font-weight: 700;
    color: #333;
    margin-bottom: 20px;
}

.section-header p {
    font-size: 1.2rem;
    color: #666;
    max-width: 600px;
    margin: 0 auto;
}

/* 公司介绍 */
.about {
    background: #f8f9fa;
}

.about-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
}

.about-text p {
    font-size: 1.1rem;
    line-height: 1.8;
    color: #555;
    margin-bottom: 30px;
}

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

.stat-item {
    text-align: center;
    padding: 30px 20px;
    background: white;
    border-radius: 15px;
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.1);
    transition: transform 0.3s ease;
}

.stat-item:hover {
    transform: translateY(-5px);
}

.stat-number {
    font-size: 2.5rem;
    font-weight: 700;
    color: #333;
    margin-bottom: 10px;
}

.stat-label {
    font-size: 1rem;
    color: #666;
    font-weight: 500;
}

/* 产品中心 */
.products-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 30px;
}

.product-card {
    background: white;
    border-radius: 20px;
    overflow: hidden;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
    transition: all 0.3s ease;
}

.product-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.15);
}

.product-image {
    height: 250px;
    overflow: hidden;
}

.product-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.3s ease;
}

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

.product-content {
    padding: 30px;
}

.product-content h3 {
    font-size: 1.5rem;
    font-weight: 700;
    color: #333;
    margin-bottom: 15px;
}

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

.product-features {
    list-style: none;
}

.product-features li {
    padding: 8px 0;
    color: #555;
    position: relative;
    padding-left: 20px;
}

.product-features li::before {
    content: '✓';
    position: absolute;
    left: 0;
    color: #6dd400;
    font-weight: bold;
}

/* 技术优势 */
.technology {
    background: linear-gradient(135deg, #f8f9fa, #e9ecef);
}

.tech-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
}

.tech-features {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 30px;
}

.tech-feature {
    text-align: center;
    padding: 30px 20px;
    background: white;
    border-radius: 15px;
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.1);
    transition: transform 0.3s ease;
}

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

.tech-icon {
    width: 60px;
    height: 60px;
    background: linear-gradient(135deg, #6dd400, #5bb800);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 20px;
    color: white;
    font-size: 1.5rem;
}

.tech-feature h3 {
    font-size: 1.3rem;
    font-weight: 700;
    color: #333;
    margin-bottom: 15px;
}

.tech-feature p {
    color: #666;
    line-height: 1.6;
}

.tech-diagram {
    text-align: center;
}

.tech-diagram img {
    max-width: 100%;
    height: auto;
    border-radius: 15px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
}

/* 合作伙伴 */
.partners {
    background: white;
}

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

.partner-item {
    background: #f8f9fa;
    border-radius: 15px;
    padding: 30px 20px;
    text-align: center;
    transition: all 0.3s ease;
    border: 2px solid transparent;
}

.partner-item:hover {
    background: white;
    border-color: #6dd400;
    transform: translateY(-5px);
    box-shadow: 0 10px 25px rgba(109, 212, 0, 0.1);
}

.partner-logo {
    font-size: 1.1rem;
    font-weight: 600;
    color: #333;
}

/* 联系我们 */
.contact {
    background: linear-gradient(135deg, #2c3e50, #34495e);
    color: white;
}

.contact .section-header h2 {
    color: white;
}

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

.contact-content {
    display: flex;
    justify-content: center;
}

.contact-info {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 40px;
    max-width: 800px;
}

.contact-item {
    display: flex;
    align-items: center;
    gap: 20px;
}

.contact-icon {
    width: 50px;
    height: 50px;
    background: rgba(109, 212, 0, 0.2);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.2rem;
    color: #6dd400;
    flex-shrink: 0;
}

.contact-details h3 {
    font-size: 1.2rem;
    font-weight: 600;
    margin-bottom: 5px;
}

.contact-details p {
    opacity: 0.9;
}


/* 页脚 */
.footer {
    background: #1a1a1a;
    color: white;
    padding: 40px 0;
}

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

.footer-logo {
    display: flex;
    align-items: center;
    font-size: 1.5rem;
    font-weight: 700;
}

.footer-text {
    text-align: center;
    opacity: 0.8;
}

.footer-text p {
    margin-bottom: 5px;
}


/* 响应式设计 */
@media (max-width: 768px) {
    .hamburger {
        display: flex;
    }
    
    .nav-menu {
        position: fixed;
        left: -100%;
        top: 70px;
        flex-direction: column;
        background-color: white;
        width: 100%;
        text-align: center;
        transition: 0.3s;
        box-shadow: 0 10px 27px rgba(0, 0, 0, 0.05);
        padding: 20px 0;
    }
    
    .nav-menu.active {
        left: 0;
    }
    
    .hero-container {
        grid-template-columns: 1fr;
        gap: 40px;
    }
    
    .hero-slider {
        height: 600px;
    }
    
    .hero-content {
        height: auto;
        text-align: center;
    }
    
    .hero-title {
        font-size: 2.5rem;
    }
    
    .hero-subtitle {
        font-size: 1.1rem;
    }
    
    .hero-features {
        grid-template-columns: 1fr;
        gap: 15px;
    }
    
    .about-content {
        grid-template-columns: 1fr;
        gap: 40px;
    }
    
    .about-stats {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .tech-content {
        grid-template-columns: 1fr;
        gap: 40px;
    }
    
    .tech-features {
        grid-template-columns: 1fr;
    }
    
    .contact-info {
        grid-template-columns: 1fr;
        gap: 30px;
    }
    
    .footer-content {
        flex-direction: column;
        gap: 20px;
        text-align: center;
    }
    
    .slider-controls {
        padding: 0 15px;
    }
    
    .slider-controls button {
        width: 40px;
        height: 40px;
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 15px;
    }
    
    .slide-content h1 {
        font-size: 2rem;
    }
    
    .slide-content p {
        font-size: 1rem;
    }
    
    .section-header h2 {
        font-size: 2rem;
    }
    
    .about-stats {
        grid-template-columns: 1fr;
    }
    
    .products-grid {
        grid-template-columns: 1fr;
    }
    
    .partners-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

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

.fade-in-up {
    animation: fadeInUp 0.6s ease-out;
}

/* 滚动条样式 */
::-webkit-scrollbar {
    width: 8px;
}

::-webkit-scrollbar-track {
    background: #f1f1f1;
}

::-webkit-scrollbar-thumb {
    background: #ccc;
    border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
    background: #999;
}