/* 重置样式 */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

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

.container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

/* 头部样式 */
header {
    background-color: #fff;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
    padding: 15px 0;
    position: sticky;
    top: 0;
    z-index: 1000;
}

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

.logo h1 {
    font-size: 24px;
    color: #333;
    font-weight: bold;
}

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

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

nav ul li a {
    text-decoration: none;
    color: #333;
    font-size: 16px;
    transition: color 0.3s ease;
}

nav ul li a:hover {
    color: #007bff;
}

/* 轮播图样式 */
.banner {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: #fff;
    padding: 100px 0;
    text-align: center;
}

.banner h2 {
    font-size: 48px;
    margin-bottom: 20px;
    font-weight: bold;
}

.banner p {
    font-size: 20px;
    margin-bottom: 30px;
}

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

section h3 {
    font-size: 32px;
    text-align: center;
    margin-bottom: 60px;
    color: #333;
    font-weight: bold;
}

/* 关于我们样式 */
.about {
    background-color: #fff;
}

.about-content {
    display: flex;
    gap: 40px;
    align-items: center;
}

.about-text {
    flex: 1;
}

.about-text p {
    font-size: 16px;
    line-height: 1.8;
    margin-bottom: 20px;
    color: #666;
}

.about-image {
    flex: 1;
    text-align: center;
}

.about-image img {
    max-width: 100%;
    height: auto;
    border-radius: 8px;
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.1);
}

/* 服务项目样式 */
.services {
    background-color: #f9f9f9;
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 30px;
}

.service-item {
    background-color: #fff;
    padding: 30px;
    border-radius: 8px;
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.1);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.service-item:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 16px rgba(0, 0, 0, 0.1);
}

.service-item h4 {
    font-size: 20px;
    margin-bottom: 15px;
    color: #333;
    font-weight: bold;
}

.service-item p {
    font-size: 14px;
    color: #666;
    line-height: 1.6;
}

/* 服务详情样式 */
.service-detail {
    background-color: #fff;
    margin-bottom: 30px;
    padding: 30px;
    border-radius: 8px;
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.1);
}

.service-detail h4 {
    font-size: 24px;
    margin-bottom: 15px;
    color: #333;
    font-weight: bold;
}

.service-detail p {
    font-size: 16px;
    color: #666;
    line-height: 1.8;
    margin-bottom: 20px;
}

.service-price {
    font-size: 20px;
    font-weight: bold;
    color: #ff6b6b;
    margin-bottom: 20px;
}

.buy-btn {
    display: inline-block;
    background-color: #007bff;
    color: #fff;
    padding: 12px 24px;
    text-decoration: none;
    border-radius: 4px;
    font-size: 16px;
    transition: background-color 0.3s ease;
    cursor: pointer;
    border: none;
}

.buy-btn:hover {
    background-color: #0056b3;
}

/* 模态框样式 */
.modal {
    display: none;
    position: fixed;
    z-index: 2000;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.5);
    animation: fadeIn 0.3s ease;
}

.modal.show {
    display: flex;
    justify-content: center;
    align-items: center;
}

.modal-content {
    background-color: #fff;
    padding: 30px;
    border-radius: 8px;
    max-width: 500px;
    width: 100%;
    text-align: center;
    animation: slideIn 0.3s ease;
}

.modal-content h3 {
    font-size: 24px;
    margin-bottom: 20px;
    color: #333;
}

.qr-code {
    margin: 30px 0;
}

.qr-code img {
    max-width: 200px;
    height: auto;
    border-radius: 8px;
}

.close-btn {
    background-color: #6c757d;
    color: #fff;
    padding: 10px 20px;
    border: none;
    border-radius: 4px;
    font-size: 16px;
    cursor: pointer;
    transition: background-color 0.3s ease;
}

.close-btn:hover {
    background-color: #5a6268;
}

/* 动画效果 */
@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

@keyframes slideIn {
    from { transform: translateY(-30px); opacity: 0; }
    to { transform: translateY(0); opacity: 1; }
}

/* 案例展示样式 */
.cases {
    background-color: #f9f9f9;
}

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

.case-item {
    background-color: #fff;
    border-radius: 8px;
    overflow: hidden;
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.1);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.case-item:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 16px rgba(0, 0, 0, 0.1);
}

.case-item img {
    width: 100%;
    height: 200px;
    object-fit: cover;
}

.case-content {
    padding: 20px;
}

.case-content h4 {
    font-size: 18px;
    margin-bottom: 10px;
    color: #333;
    font-weight: bold;
}

.case-content p {
    font-size: 14px;
    color: #666;
    line-height: 1.6;
}

/* 联系我们样式 */
.contact {
    background-color: #fff;
}

.contact-info {
    max-width: 600px;
    margin: 0 auto;
    text-align: center;
}

.contact-info p {
    font-size: 18px;
    margin-bottom: 20px;
    color: #666;
}

.contact-info .contact-item {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 15px;
    margin-bottom: 25px;
}

.contact-info .contact-item i {
    font-size: 24px;
    color: #007bff;
}

/* 新闻资讯样式 */
.news {
    background-color: #f9f9f9;
}

.news-list {
    max-width: 800px;
    margin: 0 auto;
}

.news-item {
    background-color: #fff;
    padding: 25px;
    margin-bottom: 20px;
    border-radius: 8px;
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.1);
    transition: transform 0.3s ease;
}

.news-item:hover {
    transform: translateX(5px);
}

.news-item h4 {
    font-size: 20px;
    margin-bottom: 10px;
    color: #333;
    font-weight: bold;
}

.news-item .news-meta {
    font-size: 14px;
    color: #999;
    margin-bottom: 15px;
}

.news-item p {
    font-size: 16px;
    color: #666;
    line-height: 1.8;
}

/* 底部样式 */
footer {
    background-color: #333;
    color: #fff;
    padding: 40px 0;
    text-align: center;
}

.footer-info p {
    margin-bottom: 10px;
    font-size: 14px;
    line-height: 1.6;
}

.footer-info a {
    color: #fff;
    text-decoration: none;
    transition: color 0.3s ease;
}

.footer-info a:hover {
    color: #007bff;
    text-decoration: underline;
}

/* 响应式设计 */
@media (max-width: 768px) {
    header .container {
        flex-direction: column;
        gap: 20px;
    }

    nav ul {
        flex-wrap: wrap;
        justify-content: center;
    }

    nav ul li {
        margin: 0 15px;
    }

    .banner h2 {
        font-size: 32px;
    }

    .banner p {
        font-size: 16px;
    }

    .about-content {
        flex-direction: column;
        text-align: center;
    }

    .services-grid {
        grid-template-columns: 1fr;
    }

    .cases-grid {
        grid-template-columns: 1fr;
    }

    .contact-info .contact-item {
        flex-direction: column;
        gap: 10px;
    }
}

@media (max-width: 480px) {
    section {
        padding: 50px 0;
    }

    section h3 {
        font-size: 24px;
        margin-bottom: 40px;
    }

    .banner {
        padding: 60px 0;
    }

    .banner h2 {
        font-size: 24px;
    }

    .modal-content {
        margin: 20px;
        padding: 20px;
    }
}