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

body {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "Microsoft YaHei", "PingFang SC", "Hiragino Sans GB", "Helvetica Neue", Arial, sans-serif;
    line-height: 1.6;
    color: #333;
    background-color: #fff;
}

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

/* 首页轮播区域 */
.hero {
    position: relative;
    height: 600px;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
}

.carousel {
    width: 100%;
    height: 100%;
    position: relative;
}

.carousel-slide {
    width: 100%;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transition: opacity 0.5s;
}

.carousel-slide.active {
    opacity: 1;
}

.slide-content {
    text-align: center;
}

.slide-content h1 {
    font-size: 48px;
    margin-bottom: 10px;
    font-weight: 600;
}

.slide-content h2 {
    font-size: 32px;
    margin-bottom: 30px;
    font-weight: 300;
    opacity: 0.9;
}

.slide-counter {
    font-size: 18px;
    margin-top: 20px;
}

.carousel-indicators {
    position: absolute;
    bottom: 30px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    gap: 10px;
}

.indicator {
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background-color: rgba(255, 255, 255, 0.5);
    cursor: pointer;
    transition: background-color 0.3s;
}

.indicator.active {
    background-color: #fff;
}

/* 产品区域 */
.products {
    padding: 80px 0;
    background-color: #f8f9fa;
}

.section-title {
    text-align: center;
    font-size: 36px;
    margin-bottom: 50px;
    color: #1a73e8;
    font-weight: 600;
}

.section-subtitle {
    text-align: center;
    font-size: 20px;
    margin-bottom: 50px;
    color: #666;
}

.products-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 30px;
}

.product-card {
    background: white;
    padding: 40px 30px;
    border-radius: 10px;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
    text-align: center;
    transition: transform 0.3s, box-shadow 0.3s;
}

.product-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 6px 20px rgba(0, 0, 0, 0.15);
}

.product-card h3 {
    font-size: 20px;
    margin-bottom: 10px;
    color: #333;
}

.product-card p {
    font-size: 14px;
    color: #666;
}

/* 解决方案区域 */
.solutions {
    padding: 80px 0;
    background-color: #fff;
}

.solutions-list {
    display: flex;
    flex-direction: column;
    gap: 40px;
}

.solution-item {
    background: #f8f9fa;
    padding: 40px;
    border-radius: 10px;
    border-left: 4px solid #1a73e8;
}

.solution-item h3 {
    font-size: 24px;
    margin-bottom: 20px;
    color: #1a73e8;
}

.solution-item p {
    font-size: 16px;
    line-height: 1.8;
    color: #555;
    margin-bottom: 20px;
}

.btn-detail {
    display: inline-block;
    padding: 12px 30px;
    background-color: #1a73e8;
    color: white;
    text-decoration: none;
    border-radius: 5px;
    transition: background-color 0.3s;
}

.btn-detail:hover {
    background-color: #1557b0;
}

/* 数据安全区域 */
.security {
    padding: 80px 0;
    background-color: #f8f9fa;
}

/* 页脚样式 */
.footer {
    background-color: #2c3e50;
    color: #ecf0f1;
    padding: 60px 0 20px;
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 40px;
    margin-bottom: 40px;
}

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

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

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

.footer-section ul li a {
    color: #bdc3c7;
    text-decoration: none;
    font-size: 14px;
    transition: color 0.3s;
}

.footer-section ul li a:hover {
    color: #fff;
}

.footer-contact {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    padding: 30px 0;
    border-top: 1px solid #34495e;
    margin-bottom: 30px;
}

.contact-info p {
    margin-bottom: 10px;
    font-size: 14px;
    color: #bdc3c7;
}

.qr-code {
    text-align: center;
}

.qr-code p {
    font-size: 14px;
    color: #bdc3c7;
    margin-bottom: 5px;
}

.footer-bottom {
    text-align: center;
    padding-top: 20px;
    border-top: 1px solid #34495e;
}

.footer-bottom p {
    font-size: 12px;
    color: #95a5a6;
    margin-bottom: 5px;
}

.footer-bottom a {
    color: #95a5a6;
    text-decoration: none;
}

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

/* 页脚版权信息 */
.footer-copyright {
    background-color: #f8f9fa;
    padding: 30px 0;
    text-align: center;
    border-top: 1px solid #e9ecef;
}

.footer-copyright p {
    margin: 5px 0;
    font-size: 14px;
    color: #666;
}

.footer-copyright a {
    color: #1a73e8;
    text-decoration: none;
    transition: color 0.3s;
}

.footer-copyright a:hover {
    color: #1557b0;
    text-decoration: underline;
}

/* 响应式设计 */
@media (max-width: 768px) {
    .slide-content h1 {
        font-size: 32px;
    }
    
    .slide-content h2 {
        font-size: 24px;
    }
    
    .section-title {
        font-size: 28px;
    }
    
    .products-grid {
        grid-template-columns: 1fr;
    }
    
    .footer-contact {
        flex-direction: column;
        gap: 20px;
    }
    
    .solution-item {
        padding: 25px;
    }
}