/* 基础样式重置 */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

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

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

/* 头部样式 */
.header {
    background: #fff;
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
    position: fixed;
    width: 100%;
    top: 0;
    z-index: 1000;
}

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

.logo h1 {
    color: #2c3e50;
    font-size: 24px;
}

.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,
            .nav ul li a.active {
                color: #3498db;
            }

/* 主要内容区域 */
main {
    margin-top: 80px;
}

/* 英雄区域 */
.hero {
    background: linear-gradient(135deg, #3498db, #2c3e50);
    color: white;
    padding: 100px 0;
    text-align: center;
}

.hero-content h2 {
    font-size: 2.5rem;
    margin-bottom: 20px;
}

.hero-content p {
    font-size: 1.2rem;
    margin-bottom: 30px;
    max-width: 800px;
    margin-left: auto;
    margin-right: auto;
}

.btn-primary {
    display: inline-block;
    background: #e74c3c;
    color: white;
    padding: 12px 30px;
    text-decoration: none;
    border-radius: 4px;
    font-weight: bold;
    transition: background 0.3s;
}

    .btn-primary:hover {
        background: #c0392b;
    }

/* 章节标题 */
.section-title {
    text-align: center;
    font-size: 2rem;
    margin-bottom: 50px;
    color: #2c3e50;
    position: relative;
}

    .section-title::after {
        content: '';
        display: block;
        width: 50px;
        height: 3px;
        background: #3498db;
        margin: 10px auto;
    }

/* 新闻动态 */
.news-section {
    padding: 80px 0;
    background: #f8f9fa;
}

.news-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 30px;
}

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

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

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

.news-content {
    padding: 20px;
}

    .news-content h3 {
        margin-bottom: 10px;
        color: #2c3e50;
    }

.news-date {
    color: #7f8c8d;
    font-size: 0.9rem;
    margin-bottom: 10px;
}

.read-more {
    color: #3498db;
    text-decoration: none;
    font-weight: 500;
}

    .read-more:hover {
        text-decoration: underline;
    }

/* 业务范围 */
.services-section {
    padding: 80px 0;
}

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

.service-item {
    text-align: center;
    padding: 30px;
    border: 1px solid #eee;
    border-radius: 8px;
    transition: all 0.3s;
}

    .service-item:hover {
        box-shadow: 0 10px 30px rgba(0,0,0,0.1);
        border-color: #3498db;
    }

.service-icon {
    font-size: 3rem;
    margin-bottom: 20px;
}

.service-item h3 {
    margin-bottom: 15px;
    color: #2c3e50;
}

/* 成功案例 */
.cases-section {
    padding: 80px 0;
    background: #f8f9fa;
}

.cases-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 30px;
}

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

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

.case-content {
    padding: 20px;
}

    .case-content h3 {
        margin-bottom: 10px;
        color: #2c3e50;
    }

/* 人才发展 */
.talent-section {
    padding: 80px 0;
}

.talent-content {
    display: flex;
    grid-template-columns: 1fr 1fr;
    align-items: center;
}

.talent-text h3 {
    font-size: 1.8rem;
    margin-bottom: 20px;
    color: #2c3e50;
}

.talent-text p {
    margin-bottom: 20px;
    font-size: 1.1rem;
}

.btn-secondary {
    display: inline-block;
    background: #2c3e50;
    color: white;
    padding: 12px 30px;
    text-decoration: none;
    border-radius: 4px;
    font-weight: bold;
    transition: background 0.3s;
}

    .btn-secondary:hover {
        background: #1a252f;
    }

.talent-image img {
    width: 100%;
    border-radius: 8px;
}

/* 页脚 */
.footer {
    background: #2c3e50;
    color: white;
    padding: 50px 0 20px;
}

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

.footer-section h3,
.footer-section h4 {
    margin-bottom: 20px;
}

.footer-section ul {
    list-style: none;
    display: flex;
}

    .footer-section ul li {
        margin-right: 1rem;
        margin-bottom: 10px;
    }

        .footer-section ul li a {
            color: #bdc3c7;
            text-decoration: none;
            transition: color 0.3s;
        }

            .footer-section ul li a:hover {
                color: white;
            }

.footer-bottom {
    text-align: center;
    padding-top: 20px;
    border-top: 1px solid #34495e;
}

/* 响应式设计 */
@media (max-width: 768px) {
    .header .container {
        flex-direction: column;
        padding: 10px 0;
    }

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

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

    main {
        margin-top: 120px;
    }

    .hero-content h2 {
        font-size: 2rem;
    }

    .talent-content {
        grid-template-columns: 1fr;
    }

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

.page-header {
    padding-top: 2rem;
}

.news-article,
.case-study,
.service-detail,
.faq-item,
.timeline-item,
.benefit-item,
.category,
.sidebar-widget {
    margin: 2rem 0;
    padding: 2rem;
    background: white;
    border-radius: 8px;
    overflow: hidden;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.2);
    transition: transform 0.3s;
}

    .news-article ul,
    .case-study ul,
    .service-detail ul,
    .faq-item ul,
    .faq-item ol,
    .timeline-item ul,
    .benefit-item ul,
    .category ul,
    .sidebar-widget ul {
        margin-left: 1.5rem;
    }

.company-info h2 {
    margin-top: 3rem;
}

.knowledge-base li {
    margin-top: 1rem;
}

.knowledge-base a {
    color: #000;
    text-decoration: none;
}

.tags a {
    margin-right: 1rem;
}