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

body {
    font-family: 'Arial', sans-serif;
    background-color: #f5f5f5;
    color: #333;
    line-height: 1.6;
}

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

/* 导航栏 */
header {
    background: linear-gradient(135deg, #0a192f, #172a45);
    color: white;
    padding: 15px 0;
    position: sticky;
    top: 0;
    z-index: 1000;
}

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

.logo {
    font-size: 1.8rem;
    font-weight: bold;
    color: #64ffda;
    text-decoration: none;
}

.nav-links {
    display: flex;
    list-style: none;
}

.nav-links li {
    margin-left: 30px;
}

.nav-links a {
    color: white;
    text-decoration: none;
    font-size: 1rem;
    transition: color 0.3s;
}

.nav-links a:hover {
    color: #64ffda;
}

/* 移动端菜单 */
.menu-toggle {
    display: none;
    cursor: pointer;
    font-size: 1.5rem;
}

/* 英雄区域 */
.hero {
    background: linear-gradient(135deg, #0a192f, #172a45);
    color: white;
    padding: 100px 0;
    text-align: center;
}

.hero h1 {
    font-size: 3rem;
    margin-bottom: 20px;
    color: #64ffda;
}

.hero p {
    font-size: 1.2rem;
    margin-bottom: 40px;
    max-width: 800px;
    margin-left: auto;
    margin-right: auto;
}

.cta-buttons {
    display: flex;
    justify-content: center;
    gap: 20px;
    margin-top: 40px;
}

.cta-btn {
    background: linear-gradient(135deg, #64ffda, #00b4d8);
    color: #0a192f;
    padding: 15px 30px;
    border: none;
    border-radius: 5px;
    font-size: 1.1rem;
    font-weight: bold;
    text-decoration: none;
    transition: transform 0.3s, box-shadow 0.3s;
    display: inline-block;
}

.cta-btn:hover {
    transform: translateY(-3px);
    box-shadow: 0 10px 20px rgba(100, 255, 218, 0.3);
}

/* 产品中心 */
.products {
    padding: 100px 0;
    background-color: white;
}

.section-title {
    text-align: center;
    font-size: 2.5rem;
    margin-bottom: 60px;
    color: #0a192f;
}

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

.product-card {
    background: white;
    border-radius: 10px;
    padding: 30px;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
    transition: transform 0.3s, box-shadow 0.3s;
}

.product-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 15px 30px rgba(0, 0, 0, 0.15);
}

.product-card h3 {
    font-size: 1.5rem;
    margin-bottom: 15px;
    color: #0a192f;
}

.product-card p {
    margin-bottom: 20px;
    color: #666;
}

/* 新闻资讯 */
.news {
    padding: 100px 0;
    background-color: #f5f5f5;
}

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

.news-card {
    background: white;
    border-radius: 10px;
    padding: 30px;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
    transition: transform 0.3s, box-shadow 0.3s;
}

.news-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 15px 30px rgba(0, 0, 0, 0.15);
}

.news-card .date {
    color: #64ffda;
    font-size: 0.9rem;
    margin-bottom: 10px;
}

.news-card h3 {
    font-size: 1.3rem;
    margin-bottom: 15px;
    color: #0a192f;
}

.news-card p {
    margin-bottom: 20px;
    color: #666;
}

/* 关于我们 */
.about {
    padding: 100px 0;
    background-color: white;
}

.about-content {
    display: flex;
    flex-wrap: wrap;
    gap: 50px;
    align-items: center;
}

.about-text {
    flex: 1;
    min-width: 300px;
}

.about-text h2 {
    font-size: 2.2rem;
    margin-bottom: 30px;
    color: #0a192f;
}

.about-text p {
    margin-bottom: 20px;
    color: #666;
    font-size: 1.1rem;
}

/* 联系我们 */
.contact {
    padding: 100px 0;
    background: linear-gradient(135deg, #0a192f, #172a45);
    color: white;
}

.contact-content {
    display: flex;
    flex-wrap: wrap;
    gap: 50px;
}

.contact-info {
    flex: 1;
    min-width: 300px;
}

.contact-info h2 {
    font-size: 2.2rem;
    margin-bottom: 30px;
    color: #64ffda;
}

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

.contact-item i {
    margin-right: 15px;
    color: #64ffda;
}

/* 页脚 */
footer {
    background: #0a192f;
    color: white;
    padding: 50px 0;
    text-align: center;
}

.footer-content {
    display: flex;
    flex-wrap: wrap;
    justify-content: space-between;
    gap: 30px;
    margin-bottom: 30px;
}

.footer-section {
    flex: 1;
    min-width: 200px;
}

.footer-section h3 {
    font-size: 1.3rem;
    margin-bottom: 20px;
    color: #64ffda;
}

.footer-section p,
.footer-section a {
    color: #ccc;
    text-decoration: none;
    line-height: 1.8;
}

.footer-section a:hover {
    color: #64ffda;
}

.footer-bottom {
    border-top: 1px solid #172a45;
    padding-top: 30px;
    color: #ccc;
}

/* 响应式设计 */
@media (max-width: 768px) {
    .nav-links {
        position: fixed;
        top: 70px;
        left: 0;
        width: 100%;
        background: #0a192f;
        flex-direction: column;
        align-items: center;
        padding: 20px 0;
        display: none;
    }

    .nav-links.active {
        display: flex;
    }

    .nav-links li {
        margin: 10px 0;
    }

    .menu-toggle {
        display: block;
    }

    .hero h1 {
        font-size: 2.2rem;
    }

    .cta-buttons {
        flex-direction: column;
        align-items: center;
    }

    .section-title {
        font-size: 2rem;
    }
}

/* 动画效果 */
@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.fade-in {
    animation: fadeIn 0.8s ease-out;
}

/* 滚动条样式 */
::-webkit-scrollbar {
    width: 10px;
}

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

::-webkit-scrollbar-thumb {
    background: #64ffda;
    border-radius: 5px;
}

::-webkit-scrollbar-thumb:hover {
    background: #00b4d8;
}