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

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

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

.header {
    padding: 20px 0;
    background: #fff;
    box-shadow: 0 2px 10px rgba(0,0,0,0.05);
}

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

.logo img {
    width: 300px;
    height: 70px;
    object-fit: contain;
}

.nav ul {
    display: flex;
    list-style: none;
    gap: 30px;
}

.nav a {
    text-decoration: none;
    color: #333;
    font-size: 16px;
    position: relative;
    padding-bottom: 5px;
}

.nav a:hover,
.nav a.active {
    color: #2fcd90;
}

.nav a.active::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    height: 2px;
    background: #2fcd90;
}

.contact {
    display: flex;
    flex-direction: column;
    align-items: flex-end;
    gap: 5px;
}

.contact span {
    font-size: 14px;
    color: #666;
}

.hero {
    background: url('/images/20171113114120a98713.jpg') center/cover no-repeat;
    height: 500px;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    /*background: rgba(255,255,255,0.9);*/
}

.hero-content {
    position: relative;
    z-index: 1;
    text-align: center;
}

.hero-content h1 {
    font-size: 36px;
    color: #333;
    margin-bottom: 20px;
}

.hero-content p {
    font-size: 18px;
    color: #666;
}

.page-hero {
    background: url('/images/20171113114120a98713.jpg') center/cover no-repeat;
    height: 300px;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    margin-top: 70px;
}

.page-hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0,0,0,0.5);
}

.page-hero .hero-content h1 {
    color: #fff;
    font-size: 48px;
    margin-bottom: 15px;
}

.page-hero .hero-content p {
    color: rgba(255,255,255,0.8);
}

.nav-bar {
    background: #2fcd90;
    padding: 30px 0;
}

.nav-bar .container {
    display: flex;
    justify-content: space-around;
}

.nav-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 10px;
    color: #fff;
}

    .nav-item img {
        max-width: 100%;
        height: auto;
    }

.nav-item span {
    font-size: 16px;
    font-weight: bold;
}

.about {
    padding: 60px 0;
    background: #f8f9fa;
}

.about h2 {
    text-align: center;
    font-size: 28px;
    margin-bottom: 40px;
    color: #333;
}

.about-content {
    display: flex;
    gap: 40px;
    margin-bottom: 40px;
}

.about-text {
    flex: 1;
    padding: 20px;
}

.about-text p {
    margin-bottom: 20px;
    color: #666;
    font-size: 14px;
}

.about-images {
    flex: 1;
    display: flex;
    gap: 10px;
    align-items: flex-end;
}

.about-images img {
    width: 48%;
    border-radius: 5px;
    box-shadow: 0 5px 15px rgba(0,0,0,0.1);
}

.about-images img:first-child {
    height: 200px;
}

.about-images img:last-child {
    height: 150px;
}

.stats {
    display: flex;
    justify-content: space-around;
    background: #fff;
    padding: 40px;
    border-radius: 10px;
    box-shadow: 0 5px 20px rgba(0,0,0,0.08);
}

.stat-item {
    text-align: center;
}

.stat-item .number {
    display: block;
    font-size: 36px;
    font-weight: bold;
    color: #2fcd90;
    margin-bottom: 10px;
}

.stat-item .label {
    font-size: 14px;
    color: #666;
}

.cases {
    padding: 60px 0;
}

.cases h2 {
    text-align: center;
    font-size: 28px;
    margin-bottom: 30px;
    color: #333;
}

.case-filters {
    display: flex;
    justify-content: center;
    gap: 15px;
    /* margin-bottom: 40px;*/
    margin: 40px;
}

.filter-btn {
    padding: 10px 25px;
    border: 1px solid #2fcd90;
    background: #fff;
    color: #2fcd90;
    border-radius: 25px;
    cursor: pointer;
    font-size: 24px;
    transition: all 0.3s;
}

    .filter-btn:hover,
    .filter-btn.active {
        background: #2fcd90;
        color: #fff;
        font-size: 20px;
    }

.case-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 20px;
}

.case-item {
    position: relative;
    overflow: hidden;
    border-radius: 5px;
}

.case-item img {
    width: 100%;
    height: 200px;
    object-fit: cover;
    transition: transform 0.3s;
}

.case-item:hover img {
    transform: scale(1.1);
}

.case-item .case-title {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    background: rgba(0,0,0,0.7);
    color: #fff;
    padding: 15px;
    text-align: center;
    font-size: 14px;
}

.cases-page .case-grid {
    grid-template-columns: repeat(4, 1fr);
    gap: 30px;
}

.case-card {
    background: #fff;
    border-radius: 10px;
    overflow: hidden;
    box-shadow: 0 5px 15px rgba(0,0,0,0.08);
    transition: transform 0.3s;
}

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

.case-card img {
    width: 100%;
    height: 180px;
    object-fit: cover;
}

.case-card .case-info {
    padding: 20px;
}

.case-card .case-info h3 {
    font-size: 16px;
    margin-bottom: 10px;
    color: #333;
}

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

.news {
    padding: 60px 0;
    background: #f8f9fa;
}

.news h2 {
    text-align: center;
    font-size: 28px;
    margin-bottom: 40px;
    color: #333;
}

.news-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 20px;
}

.news-item {
    background: #fff;
    padding: 20px;
    border-radius: 5px;
    box-shadow: 0 2px 10px rgba(0,0,0,0.05);
}

.news-item img {
    width: 100%;
    height: 120px;
    object-fit: cover;
    margin-bottom: 15px;
    border-radius: 5px;
}

.news-item h3 {
    font-size: 16px;
    margin-bottom: 10px;
    color: #333;
}

.news-item p {
    font-size: 14px;
    color: #666;
}

.services {
    padding: 60px 0;
}

.services h2 {
    text-align: center;
    font-size: 28px;
    margin-bottom: 40px;
    color: #333;
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 30px;
}

.service-card {
    text-align: center;
    padding: 30px;
    background: #fff;
    border-radius: 10px;
    box-shadow: 0 2px 15px rgba(0,0,0,0.08);
}

.service-icon {
   /* width: 80px;
    height: 80px;*/
    margin: 0 auto 20px;
    border-radius: 50%;
    /*background: #f0fdf4;*/
    display: flex;
    align-items: center;
    justify-content: center;
}

    .service-icon img {
        /* width: 40px;
    height: 40px;*/
        max-width: 100%;
        height: auto;
    }

.service-card h3 {
    font-size: 18px;
    margin-bottom: 15px;
    color: #333;
}

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

.service-details {
    padding: 60px 0;
    background: #f8f9fa;
}

.detail-item {
    display: flex;
    gap: 40px;
    margin-bottom: 40px;
    align-items: center;
}

.detail-item.reverse {
    flex-direction: row-reverse;
}

.detail-image {
    flex: 1;
}

.detail-image img {
    width: 100%;
    height: 250px;
    object-fit: cover;
    border-radius: 10px;
}

.detail-content {
    flex: 1;
}

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

.detail-content p {
    font-size: 14px;
    color: #666;
    margin-bottom: 20px;
    line-height: 1.8;
}

.detail-content ul {
    list-style: none;
}

.detail-content li {
    padding: 10px 0;
    font-size: 14px;
    color: #333;
    border-bottom: 1px solid #eee;
}

.detail-content li::before {
    content: '✓ ';
    color: #2fcd90;
    font-weight: bold;
}

.cta {
    background: #2fcd90;
    padding: 40px 0;
    text-align: center;
}

.cta h2 {
    color: #fff;
    font-size: 24px;
    margin-bottom: 20px;
}

.btn {
    background: #fff;
    color: #2fcd90;
    padding: 15px 40px;
    border: none;
    border-radius: 25px;
    font-size: 16px;
    font-weight: bold;
    cursor: pointer;
    transition: all 0.3s;
}

.btn:hover {
    transform: scale(1.05);
    box-shadow: 0 5px 15px rgba(0,0,0,0.2);
}

.load-more {
    text-align: center;
    margin-top: 40px;
}

.footer {
    background: #222;
    padding: 50px 0 20px;
    color: #fff;
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 30px;
    margin-bottom: 30px;
}

.footer-logo img {
    width: 300px;
    height: 70px;
    margin-bottom: 15px;
}

.footer-logo p {
    font-size: 14px;
    margin-bottom: 8px;
    color: #aaa;
}

.footer-links h4 {
    margin-bottom: 15px;
    font-size: 16px;
}

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

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

.footer-links a {
    color: #aaa;
    text-decoration: none;
    font-size: 14px;
    transition: color 0.3s;
}

.footer-links a:hover {
    color: #2fcd90;
}

.footer-qrcode img {
    width: 120px;
    height: 120px;
}

.footer-bottom {
    border-top: 1px solid #333;
    padding-top: 20px;
    text-align: center;
    color: #666;
    font-size: 14px;
}

.error-page {
    text-align: center;
    padding: 100px 20px;
}

.error-page h1 {
    font-size: 48px;
    margin-bottom: 20px;
}

@media (max-width: 768px) {
    .header .container {
        flex-direction: column;
        gap: 15px;
    }
    
    .nav ul {
        gap: 15px;
    }
    
    .contact {
        align-items: center;
    }
    
    .hero {
        height: 300px;
    }
    
    .hero-content h1 {
        font-size: 24px;
    }
    
    .hero-content p {
        font-size: 14px;
    }
    
    .nav-bar .container {
        flex-wrap: wrap;
        gap: 20px;
    }
    
    .nav-item {
        width: 45%;
    }
    
    .about-content {
        flex-direction: column;
    }
    
    .about-images {
        flex-direction: column;
    }
    
    .about-images img {
        width: 100%;
        height: auto;
    }
    
    .stats {
        flex-wrap: wrap;
        gap: 20px;
    }
    
    .stat-item {
        width: 45%;
    }
    
    .case-grid,
    .news-grid,
    .services-grid,
    .cases-page .case-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .detail-item,
    .detail-item.reverse {
        flex-direction: column;
    }
    
    .footer-content {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 480px) {
    .nav ul {
        flex-wrap: wrap;
        justify-content: center;
    }
    
    .case-grid,
    .news-grid,
    .services-grid,
    .cases-page .case-grid {
        grid-template-columns: 1fr;
    }
    
    .footer-content {
        grid-template-columns: 1fr;
        text-align: center;
    }
    
    .footer-qrcode {
        display: flex;
        justify-content: center;
    }
}