* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}
body {
    font-family: 'Microsoft YaHei', Arial, sans-serif;
    line-height: 1.6;
    color: #333;
}
.container {
    width: 1200px;
    margin: 0 auto;
}
header {
    background: #fff;
    box-shadow: 0 2px 4px rgba(0,0,0,0.1);
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
}
.header-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 20px 0;
}
.logo {
    font-size: 24px;
    font-weight: bold;
    color: #2196F3;
}
nav ul {
    display: flex;
    list-style: none;
}
nav ul li {
    margin-left: 30px;
}
nav ul li a {
    text-decoration: none;
    color: #333;
    font-weight: 500;
    transition: color 0.3s;
}
nav ul li a:hover {
    color: #2196F3;
}
.hero {
    background: linear-gradient(135deg, #2196F3, #1976D2);
    color: white;
    padding: 120px 0 80px;
    text-align: center;
}
.hero h1 {
    font-size: 48px;
    margin-bottom: 20px;
}
.hero p {
    font-size: 18px;
    margin-bottom: 40px;
}
.btn {
    display: inline-block;
    padding: 12px 30px;
    background: #2196F3;
    color: white;
    text-decoration: none;
    border-radius: 5px;
    font-weight: bold;
    transition: all 0.3s;
    border: none;
    cursor: pointer;
}
.btn:hover {
    background: #1976D2;
    transform: translateY(-2px);
}
.section {
    padding: 80px 0;
}
.section-title {
    text-align: center;
    font-size: 36px;
    margin-bottom: 60px;
    color: #333;
}
.about-content {
    display: flex;
    align-items: center;
    gap: 60px;
    margin-bottom: 80px;
}
.about-text {
    flex: 1;
}
.about-text h3 {
    font-size: 24px;
    margin-bottom: 20px;
    color: #2196F3;
}
.about-image {
    flex: 1;
}
.about-image img {
    width: 100%;
    border-radius: 10px;
}
.services {
    background: #f9f9f9;
}
.service-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
}
.service-card {
    background: white;
    padding: 30px;
    border-radius: 10px;
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
    transition: transform 0.3s;
}
.service-card:hover {
    transform: translateY(-5px);
}
.service-card h3 {
    margin-bottom: 15px;
    color: #2196F3;
}
.news-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
    margin-bottom: 60px;
}
.news-card {
    background: white;
    border-radius: 10px;
    overflow: hidden;
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
    transition: transform 0.3s;
}
.news-card:hover {
    transform: translateY(-5px);
}
.news-card img {
    width: 100%;
    height: 200px;
    object-fit: cover;
}
.news-content {
    padding: 20px;
}
.news-date {
    color: #999;
    font-size: 14px;
    margin-bottom: 10px;
}
.news-card h3 {
    margin-bottom: 10px;
    font-size: 18px;
}
.news-card p {
    color: #666;
    margin-bottom: 15px;
}
.contact {
    background: #f9f9f9;
}
.contact-content {
    display: flex;
    gap: 60px;
    margin-bottom: 80px;
}
.contact-info {
    flex: 1;
}
.contact-info h3 {
    font-size: 24px;
    margin-bottom: 30px;
    color: #2196F3;
}
.contact-form {
    flex: 1;
}
.contact-form h3 {
    font-size: 24px;
    margin-bottom: 30px;
    color: #2196F3;
}
.form-group {
    margin-bottom: 20px;
}
.form-group label {
    display: block;
    margin-bottom: 5px;
    font-weight: 500;
}
.form-group input,
.form-group textarea {
    width: 100%;
    padding: 12px;
    border: 1px solid #ddd;
    border-radius: 5px;
    font-size: 16px;
}
.form-group textarea {
    resize: vertical;
    height: 120px;
}

.history {
    margin-bottom: 80px;
}
.history-timeline {
    position: relative;
    padding-left: 40px;
}
.history-timeline::before {
    content: '';
    position: absolute;
    left: 10px;
    top: 0;
    bottom: 0;
    width: 2px;
    background: #2196F3;
}
.history-item {
    position: relative;
    margin-bottom: 40px;
    padding-left: 30px;
}
.history-item::before {
    content: '';
    position: absolute;
    left: -30px;
    top: 10px;
    width: 20px;
    height: 20px;
    border-radius: 50%;
    background: #2196F3;
}
.history-item h3 {
    font-size: 18px;
    margin-bottom: 10px;
    color: #2196F3;
}
.culture {
    background: #f9f9f9;
}
.culture-content {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
}
.culture-item {
    background: white;
    padding: 30px;
    border-radius: 10px;
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
    text-align: center;
}
.culture-item h3 {
    margin-bottom: 20px;
    color: #2196F3;
}
.service-detail {
    display: flex;
    align-items: center;
    gap: 60px;
    margin-bottom: 80px;
}
.service-detail.reverse {
    flex-direction: row-reverse;
}
.service-text {
    flex: 1;
}
.service-text h3 {
    font-size: 24px;
    margin-bottom: 20px;
    color: #2196F3;
}
.service-image {
    flex: 1;
}
.service-image img {
    width: 100%;
    border-radius: 10px;
}
.feature-list {
    list-style: none;
    margin: 20px 0;
}
.feature-list li {
    margin-bottom: 10px;
    padding-left: 25px;
    position: relative;
}
.feature-list li::before {
    content: '✓';
    position: absolute;
    left: 0;
    color: #2196F3;
    font-weight: bold;
}



.map {
    margin-top: 60px;
}
.map h3 {
    font-size: 24px;
    margin-bottom: 30px;
    color: #2196F3;
}
.map iframe {
    width: 100%;
    height: 400px;
    border: none;
    border-radius: 10px;
}
.cooperation {
    background: #f9f9f9;
    padding: 60px 0;
    margin-top: 60px;
}
.cooperation h3 {
    font-size: 24px;
    margin-bottom: 30px;
    color: #2196F3;
    text-align: center;
}
.cooperation-content {
    display: flex;
    justify-content: space-around;
    flex-wrap: wrap;
}
.cooperation-item {
    text-align: center;
    margin: 20px;
}
.cooperation-item h4 {
    margin-bottom: 10px;
    color: #333;
}
.cooperation-item p {
    color: #666;
}
footer {
    background: #333;
    color: white;
    padding: 40px 0;
    text-align: center;
}
.footer-content {
    display: flex;
    justify-content: space-between;
    margin-bottom: 30px;
}
.footer-column {
    flex: 1;
}
.footer-column h3 {
    margin-bottom: 20px;
    color: #2196F3;
}
.footer-column ul {
    list-style: none;
}
.footer-column ul li {
    margin-bottom: 10px;
}
.footer-column ul li a {
    color: #ccc;
    text-decoration: none;
    transition: color 0.3s;
}
.footer-column ul li a:hover {
    color: #2196F3;
}
.copyright {
    border-top: 1px solid #555;
    padding-top: 20px;
    font-size: 14px;
    color: #ccc;
}
@media (max-width: 768px) {
    .container {
        width: 90%;
    }
    .header-content {
        flex-direction: column;
        padding: 10px 0;
    }
    nav ul {
        margin-top: 10px;
    }
    nav ul li {
        margin-left: 15px;
    }
    .hero h1 {
        font-size: 36px;
    }
    .about-content,
    .contact-content,
    .service-detail,
    .service-detail.reverse {
        flex-direction: column;
        gap: 30px;
    }
    .service-grid,
    .news-grid,
    .culture-content {
        grid-template-columns: 1fr;
    }
    .cooperation-content {
        flex-direction: column;
        align-items: center;
    }
    .footer-content {
        flex-direction: column;
        gap: 30px;
    }
}