/* 基础样式 */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: "Microsoft YaHei", "Segoe UI", sans-serif;
}

body {
    line-height: 1.6;
    color: #333;
    background-color: #f8f9fa;
}

a {
    text-decoration: none;
    color: #0066cc;
    transition: color 0.3s;
}

a:hover {
    color: #004499;
}

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

.btn {
    display: inline-block;
    padding: 10px 20px;
    background-color: #0066cc;
    color: white;
    border-radius: 4px;
    transition: background-color 0.3s;
}

.btn:hover {
    background-color: #004499;
    color: white;
}

/* 头部样式 */
header {
    background-color: white;
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
    position: sticky;
    top: 0;
    z-index: 100;
}

.header-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 15px 0;
}

.logo {
    font-size: 24px;
    font-weight: bold;
    color: #0066cc;
}

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

nav ul li {
    margin-left: 30px;
}

nav ul li a {
    color: #333;
    font-weight: 500;
}

nav ul li a:hover {
    color: #0066cc;
}

/* 英雄区域 */
.hero {
    background: linear-gradient(135deg, #0066cc 0%, #004499 100%);
    color: white;
    padding: 80px 0;
    text-align: center;
}

.hero h1 {
    font-size: 2.5rem;
    margin-bottom: 20px;
}

.hero p {
    font-size: 1.2rem;
    max-width: 700px;
    margin: 0 auto 30px;
}

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

.section-title {
    text-align: center;
    margin-bottom: 50px;
}

.section-title h2 {
    font-size: 2rem;
    color: #0066cc;
    margin-bottom: 15px;
}

.section-title p {
    color: #666;
    max-width: 700px;
    margin: 0 auto;
}

/* 产品特性卡片 */
.product-features {
    display: flex;
    flex-wrap: wrap;
    justify-content: space-between;
    gap: 30px;
}

.feature-card {
    flex: 1;
    min-width: 300px;
    background: white;
    border-radius: 8px;
    padding: 30px;
    box-shadow: 0 5px 15px rgba(0,0,0,0.05);
    transition: transform 0.3s;
}

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

.feature-card h3 {
    color: #0066cc;
    margin-bottom: 15px;
    font-size: 1.3rem;
}

/* 合作伙伴 */
.partners {
    background-color: #f0f5ff;
}

.partner-logos {
    display: flex;
    justify-content: center;
    flex-wrap: wrap;
    gap: 40px;
}

.partner-logo {
    width: 150px;
    height: 80px;
    background-color: white;
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 3px 10px rgba(0,0,0,0.05);
    font-weight: bold;
    color: #0066cc;
}

/* 新闻区域 */
.news-list {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.news-item {
    background: white;
    border-radius: 8px;
    padding: 20px;
    box-shadow: 0 3px 10px rgba(0,0,0,0.05);
}

.news-item h3 {
    margin-bottom: 10px;
}

.news-date {
    color: #888;
    font-size: 0.9rem;
    margin-bottom: 10px;
}

/* 页脚 */
footer {
    background-color: #1a1a1a;
    color: #ccc;
    padding: 60px 0 30px;
}

.footer-content {
    display: flex;
    flex-wrap: wrap;
    justify-content: space-between;
    gap: 40px;
    margin-bottom: 40px;
}

.footer-column {
    flex: 1;
    min-width: 250px;
}

.footer-column h3 {
    color: white;
    margin-bottom: 20px;
    font-size: 1.2rem;
}

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

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

.footer-column ul li a {
    color: #ccc;
}

.footer-column ul li a:hover {
    color: white;
}

.copyright {
    text-align: center;
    padding-top: 30px;
    border-top: 1px solid #333;
    font-size: 0.9rem;
    color: #888;
}

/* 响应式调整 */
@media (max-width: 768px) {
    .header-content {
        flex-direction: column;
        text-align: center;
    }
    
    nav ul {
        margin-top: 15px;
        flex-wrap: wrap;
        justify-content: center;
    }
    
    nav ul li {
        margin: 0 10px 10px;
    }
    
    .hero h1 {
        font-size: 2rem;
    }
    
    .section {
        padding: 60px 0;
    }
}