/* 全局样式 */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Microsoft YaHei', Arial, sans-serif;
    line-height: 1.6;
    color: #333;
    background-color: #f8f9fa;
}

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

/* 链接样式 */
a {
    text-decoration: none;
    color: #007bff;
    transition: color 0.3s ease;
}

a:hover {
    color: #0056b3;
}

/* 按钮样式 */
.btn {
    display: inline-block;
    padding: 12px 30px;
    background-color: #ff6b35;
    color: white;
    border-radius: 4px;
    text-transform: uppercase;
    font-weight: bold;
    letter-spacing: 1px;
    transition: all 0.3s ease;
    border: none;
    cursor: pointer;
}

.btn:hover {
    background-color: #e55a2b;
    transform: translateY(-2px);
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.1);
    color: white;
}

main {
    padding-bottom: 2rem;
}

/* 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: 1000;
}

header .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 20px 0;
}

.logo h1 {
    color: #ff6b35;
    font-size: 24px;
}

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

nav ul li {
    margin-left: 15px;
}

nav ul li a {
    color: #333;
    font-weight: 500;
    padding: 8px 20px;
    font-size: 18px;
    border-radius: 4px;
    transition: all 0.3s ease;
}

nav ul li a:hover,
nav ul li a.active {
    background-color: #ff6b35;
    color: white;
}

/* 页面头部样式 */
.page-header {
    background: linear-gradient(135deg, #ff6b35, #f7931e);
    color: white;
    padding: 60px 0;
    text-align: center;
    margin-bottom: 50px;
}

.page-header h1 {
    font-size: 42px;
    margin-bottom: 15px;
}

.page-header p {
    font-size: 18px;
    opacity: 0.9;
}

/* 首页英雄区域 */
.hero {
    background: linear-gradient(rgba(0, 0, 0, 0.7), rgba(0, 0, 0, 0.7)), url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" width="100" height="100" viewBox="0 0 100 100"><rect width="100" height="100" fill="%23ff6b35"/><path d="M20,20 Q50,5 80,20 T80,80 Q50,95 20,80 T20,20" fill="none" stroke="%23ffffff" stroke-width="2"/></svg>');
    background-size: cover;
    color: white;
    text-align: center;
    padding: 100px 0;
}

.hero h2 {
    font-size: 48px;
    margin-bottom: 20px;
}

.hero p {
    font-size: 20px;
    margin-bottom: 30px;
    max-width: 700px;
    margin-left: auto;
    margin-right: auto;
}

/* 宣传语区域 */
.slogan-section {
    background-color: #fff;
    padding: 80px 0;
    text-align: center;
}

.slogan-section h2 {
    font-size: 36px;
    color: #ff6b35;
    margin-bottom: 20px;
}

.slogan-section p {
    font-size: 18px;
    color: #666;
    max-width: 700px;
    margin: 0 auto;
}

/* 新闻区域 */
.news-section {
    background-color: #f8f9fa;
    padding: 80px 0;
}

.news-section h2 {
    text-align: center;
    font-size: 36px;
    color: #333;
    margin-bottom: 50px;
}

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

.news-item {
    background-color: white;
    border-radius: 8px;
    overflow: hidden;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    padding: 25px;
}

.news-item:hover {
    transform: translateY(-10px);
    box-shadow: 0 15px 30px rgba(0, 0, 0, 0.15);
}

.news-item h3 {
    color: #ff6b35;
    margin-bottom: 15px;
    font-size: 20px;
}

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

.date {
    color: #999;
    font-size: 14px;
}

/* 服务区域 */
.services-section {
    background-color: white;
    padding: 80px 0;
}

.services-section h2 {
    text-align: center;
    font-size: 36px;
    color: #333;
    margin-bottom: 50px;
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 30px;
}

.service-item {
    text-align: center;
    padding: 30px;
    border-radius: 8px;
    background-color: #f8f9fa;
    transition: all 0.3s ease;
}

.service-item:hover {
    background-color: #ff6b35;
    transform: translateY(-10px);
    box-shadow: 0 15px 30px rgba(0, 0, 0, 0.15);
}

.service-item:hover .icon,
.service-item:hover h3,
.service-item:hover p {
    color: white;
}

.icon {
    font-size: 48px;
    margin-bottom: 20px;
    color: #ff6b35;
}

.service-item h3 {
    color: #333;
    margin-bottom: 15px;
}

.service-item p {
    color: #666;
}

/* 案例区域 */
.cases-section {
    background-color: #f8f9fa;
    padding: 80px 0;
}

.cases-section h2 {
    text-align: center;
    font-size: 36px;
    color: #333;
    margin-bottom: 50px;
}

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

.case-item {
    background-color: white;
    border-radius: 8px;
    overflow: hidden;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
    transition: transform 0.3s ease;
}

.case-item:hover {
    transform: scale(1.05);
}

.case-image {
    height: 200px;
    background: linear-gradient(45deg, #ff6b35, #f7931e);
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 24px;
    font-weight: bold;
}

.case-item h3 {
    padding: 20px 20px 10px;
    color: #333;
}

.case-item p {
    padding: 0 20px 20px;
    color: #666;
}

/* 人才发展区域 */
.careers-section {
    background: linear-gradient(135deg, #ff6b35, #f7931e);
    color: white;
    padding: 80px 0;
}

.careers-section h2 {
    text-align: center;
    font-size: 36px;
    margin-bottom: 30px;
}

.careers-content {
    max-width: 800px;
    margin: 0 auto;
    text-align: center;
}

.careers-content p {
    font-size: 18px;
    margin-bottom: 30px;
}

.careers-content ul {
    list-style: none;
    margin-bottom: 30px;
    text-align: left;
    display: inline-block;
}

.careers-content ul li {
    padding: 10px 0;
    font-size: 16px;
    position: relative;
    padding-left: 30px;
}

.careers-content ul li:before {
    content: "✓";
    position: absolute;
    left: 0;
    color: #fff;
    font-weight: bold;
}

.careers-content .btn {
    background-color: white;
    color: #ff6b35;
}

.careers-content .btn:hover {
    background-color: #f0f0f0;
}

/* 新闻列表样式 */
.news-content .container {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: 40px;
}

.news-article {
    background-color: white;
    border-radius: 8px;
    padding: 30px;
    margin-bottom: 30px;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
}

.news-article h2 {
    color: #ff6b35;
    margin-bottom: 15px;
}

.meta {
    display: flex;
    margin-bottom: 20px;
    color: #999;
    font-size: 14px;
}

.category {
    margin-left: 20px;
}

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

.sidebar .widget {
    background-color: white;
    border-radius: 8px;
    padding: 25px;
    margin-bottom: 30px;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
}

.widget h3 {
    color: #ff6b35;
    margin-bottom: 20px;
    padding-bottom: 10px;
    border-bottom: 2px solid #f8f9fa;
}

.widget ul {
    list-style: none;
}

.widget ul li {
    padding: 10px 0;
    border-bottom: 1px solid #f0f0f0;
}

.widget ul li:last-child {
    border-bottom: none;
}

.widget ul li a {
    color: #666;
    transition: all 0.3s ease;
}

.widget ul li a:hover {
    color: #ff6b35;
    padding-left: 5px;
}

.tags {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
}

.tags a {
    display: inline-block;
    padding: 5px 15px;
    background-color: #f8f9fa;
    color: #666;
    border-radius: 20px;
    font-size: 14px;
    transition: all 0.3s ease;
}

.tags a:hover {
    background-color: #ff6b35;
    color: white;
}

/* 产品中心样式 */
.products-content .product-categories {
    margin-bottom: 40px;
}

.product-categories ul {
    display: flex;
    list-style: none;
    flex-wrap: wrap;
}

.product-categories ul li {
    margin-right: 15px;
    margin-bottom: 15px;
}

.product-categories ul li a {
    display: block;
    padding: 10px 20px;
    background-color: white;
    border-radius: 30px;
    color: #666;
    transition: all 0.3s ease;
    box-shadow: 0 2px 5px rgba(0, 0, 0, 0.1);
}

.product-categories ul li a:hover,
.product-categories ul li.active a {
    background-color: #ff6b35;
    color: white;
}

.products-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 30px;
    margin-bottom: 40px;
}

.product-item {
    background-color: white;
    border-radius: 8px;
    overflow: hidden;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
    transition: transform 0.3s ease;
}

.product-item:hover {
    transform: translateY(-10px);
}

.product-image {
    height: 200px;
    background: linear-gradient(45deg, #3498db, #8e44ad);
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 24px;
    font-weight: bold;
}

.product-info {
    padding: 20px;
}

.product-info h3 {
    color: #333;
    margin-bottom: 10px;
}

.product-info p {
    color: #666;
    margin-bottom: 15px;
}

.tags {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
}

.tags span {
    padding: 4px 12px;
    background-color: #f8f9fa;
    color: #ff6b35;
    border-radius: 20px;
    font-size: 12px;
}

.pagination ul {
    display: flex;
    justify-content: center;
    list-style: none;
}

.pagination ul li {
    margin: 0 5px;
}

.pagination ul li a {
    display: block;
    padding: 10px 15px;
    background-color: white;
    color: #666;
    border-radius: 4px;
    transition: all 0.3s ease;
    box-shadow: 0 2px 5px rgba(0, 0, 0, 0.1);
}

.pagination ul li a:hover,
.pagination ul li a.active {
    background-color: #ff6b35;
    color: white;
}

/* 服务中心样式 */
.services-content .services-intro {
    text-align: center;
    margin-bottom: 50px;
}

.services-intro h2 {
    color: #ff6b35;
    font-size: 36px;
    margin-bottom: 20px;
}

.services-intro p {
    font-size: 18px;
    color: #666;
    max-width: 800px;
    margin: 0 auto;
}

.services-list {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
    margin-bottom: 60px;
}

.service-card {
    background-color: white;
    border-radius: 8px;
    padding: 30px;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
    transition: transform 0.3s ease;
    text-align: center;
}

.service-card:hover {
    transform: translateY(-10px);
}

.service-icon {
    font-size: 48px;
    margin-bottom: 20px;
    color: #ff6b35;
}

.service-card h3 {
    color: #333;
    margin-bottom: 20px;
}

.service-card ul {
    list-style: none;
    margin-bottom: 20px;
    text-align: left;
}

.service-card ul li {
    padding: 8px 0;
    border-bottom: 1px dashed #f0f0f0;
    color: #666;
}

.service-card ul li:last-child {
    border-bottom: none;
}

.price {
    color: #ff6b35;
    font-weight: bold;
    font-size: 18px;
}

.service-process {
    background-color: #f8f9fa;
    padding: 50px;
    border-radius: 8px;
}

.service-process h2 {
    text-align: center;
    color: #333;
    margin-bottom: 40px;
    font-size: 32px;
}

.process-steps {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 30px;
}

.step {
    text-align: center;
    position: relative;
}

.step-number {
    width: 50px;
    height: 50px;
    background-color: #ff6b35;
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: bold;
    font-size: 20px;
    margin: 0 auto 20px;
}

.step h3 {
    color: #333;
    margin-bottom: 10px;
}

.step p {
    color: #666;
}

/* 知识库样式 */
.knowledge-content .knowledge-categories {
    margin-bottom: 40px;
}

.knowledge-categories ul {
    display: flex;
    list-style: none;
    flex-wrap: wrap;
}

.knowledge-categories ul li {
    margin-right: 15px;
    margin-bottom: 15px;
}

.knowledge-categories ul li a {
    display: block;
    padding: 10px 20px;
    background-color: white;
    border-radius: 30px;
    color: #666;
    transition: all 0.3s ease;
    box-shadow: 0 2px 5px rgba(0, 0, 0, 0.1);
}

.knowledge-categories ul li a:hover,
.knowledge-categories ul li.active a {
    background-color: #ff6b35;
    color: white;
}

.knowledge-item {
    background-color: white;
    border-radius: 8px;
    padding: 30px;
    margin-bottom: 30px;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
    transition: transform 0.3s ease;
}

.knowledge-item:hover {
    transform: translateY(-5px);
}

.knowledge-item h2 {
    color: #333;
    margin-bottom: 15px;
}

.knowledge-item .meta {
    display: flex;
    margin-bottom: 20px;
    color: #999;
    font-size: 14px;
}

.knowledge-item .category {
    margin-left: 20px;
    background-color: #f8f9fa;
    padding: 2px 10px;
    border-radius: 20px;
}

.excerpt p {
    color: #666;
    line-height: 1.8;
    margin-bottom: 20px;
}

.read-more {
    display: inline-block;
    color: #ff6b35;
    font-weight: bold;
    transition: all 0.3s ease;
}

.read-more:hover {
    padding-left: 5px;
}

/* 常见问题样式 */
.faq-content .faq-search {
    display: flex;
    max-width: 500px;
    margin: 0 auto 40px;
}

.faq-search input {
    flex: 1;
    padding: 12px 20px;
    border: 2px solid #ddd;
    border-radius: 4px 0 0 4px;
    outline: none;
    font-size: 16px;
}

.faq-search button {
    padding: 12px 25px;
    background-color: #ff6b35;
    color: white;
    border: none;
    border-radius: 0 4px 4px 0;
    cursor: pointer;
    font-weight: bold;
    transition: background-color 0.3s ease;
}

.faq-search button:hover {
    background-color: #e55a2b;
}

.faq-content .faq-categories {
    margin-bottom: 40px;
}

.faq-categories ul {
    display: flex;
    list-style: none;
    justify-content: center;
    flex-wrap: wrap;
}

.faq-categories ul li {
    margin: 0 10px 10px;
}

.faq-categories ul li a {
    display: block;
    padding: 10px 20px;
    background-color: white;
    border-radius: 30px;
    color: #666;
    transition: all 0.3s ease;
    box-shadow: 0 2px 5px rgba(0, 0, 0, 0.1);
}

.faq-categories ul li a:hover,
.faq-categories ul li.active a {
    background-color: #ff6b35;
    color: white;
}

.faq-item {
    background-color: white;
    border-radius: 8px;
    margin-bottom: 20px;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
    overflow: hidden;
}

.faq-question {
    padding: 20px 30px;
    background-color: #f8f9fa;
    color: #333;
    cursor: pointer;
    position: relative;
    transition: background-color 0.3s ease;
}

.faq-question:hover {
    background-color: #ff6b35;
    color: white;
}

.faq-question:after {
    content: "+";
    position: absolute;
    right: 30px;
    top: 50%;
    transform: translateY(-50%);
    font-size: 24px;
}

.faq-item.active .faq-question:after {
    content: "-";
}

.faq-answer {
    padding: 0 30px;
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.3s ease, padding 0.3s ease;
}

.faq-item.active .faq-answer {
    padding: 20px 30px;
    max-height: 500px;
}

.faq-answer p {
    color: #666;
    line-height: 1.8;
}

.contact-cta {
    text-align: center;
    background-color: #f8f9fa;
    padding: 60px;
    border-radius: 8px;
    margin-top: 40px;
}

.contact-cta h2 {
    color: #333;
    font-size: 32px;
    margin-bottom: 15px;
}

.contact-cta p {
    color: #666;
    font-size: 18px;
    margin-bottom: 30px;
}

/* 底部样式 */
footer {
    background-color: #333;
    color: white;
    padding: 60px 0 30px;
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 40px;
}

.footer-content h3 {
    color: #ff6b35;
    margin-bottom: 20px;
    font-size: 20px;
}

.contact-info p {
    margin-bottom: 15px;
    color: #ccc;
}

.contact-info a {
    color: #ccc;
    margin-left: 10px;
}

.contact-info a:hover {
    color: #ff6b35;
}

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

.footer-links ul li {
    padding: 8px 0;
    float: left;
    width: 33%;
}

.footer-links ul li:last-child {
    border-bottom: none;
}

.footer-links ul li a {
    color: #ccc;
    transition: all 0.3s ease;
}

.footer-links ul li a:hover {
    color: #ff6b35;
    padding-left: 5px;
}

/* 响应式设计 */
@media (max-width: 768px) {
    header .container {
        flex-direction: column;
        padding: 15px 0;
    }

    nav ul {
        margin-top: 15px;
        flex-wrap: wrap;
        justify-content: center;
    }

    nav ul li {
        margin: 5px 10px;
    }

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

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

    .news-content .container,
    .knowledge-content .container {
        grid-template-columns: 1fr;
    }

    .service-process {
        padding: 30px 15px;
    }

    .contact-cta {
        padding: 40px 20px;
    }

    .faq-search {
        flex-direction: column;
    }

    .faq-search input {
        border-radius: 4px;
        margin-bottom: 10px;
    }

    .faq-search button {
        border-radius: 4px;
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 15px;
    }

    .hero {
        padding: 60px 0;
    }

    .hero h2 {
        font-size: 28px;
    }

    .page-header h1 {
        font-size: 32px;
    }

    .services-section h2,
    .cases-section h2,
    .news-section h2 {
        font-size: 28px;
    }

    .process-steps {
        grid-template-columns: 1fr;
    }
}