/* 页面通用样式 */
.page-hero {
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    color: var(--white);
    padding: 5rem 0 3rem;
    text-align: center;
}

.page-hero h1 {
    font-size: 3rem;
    margin-bottom: 1rem;
}

.page-hero p {
    font-size: 1.2rem;
    opacity: 0.9;
}

.page-content {
    padding: 4rem 0;
}

.content-section {
    margin-bottom: 5rem;
}

.content-section h2 {
    font-size: 2.5rem;
    color: var(--text-dark);
    margin-bottom: 2rem;
    padding-bottom: 1rem;
    border-bottom: 3px solid var(--accent-color);
}

.section-intro {
    text-align: center;
    color: var(--text-light);
    font-size: 1.2rem;
    margin-bottom: 3rem;
}

/* 新闻列表 */
.news-list {
    display: grid;
    gap: 2rem;
}

.news-item {
    background: var(--white);
    border-radius: 10px;
    overflow: hidden;
    box-shadow: var(--shadow);
    display: grid;
    grid-template-columns: 300px 1fr;
    transition: transform 0.3s;
}

.news-item:hover {
    transform: translateX(10px);
    box-shadow: var(--shadow-hover);
}

.news-image {
    width: 100%;
    height: 100%;
}

.news-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.news-image-placeholder {
    width: 100%;
    height: 100%;
    background: var(--bg-light);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-light);
}

.news-content {
    padding: 2rem;
}

.news-meta {
    display: flex;
    gap: 2rem;
    margin-bottom: 1rem;
    color: var(--text-light);
    font-size: 0.9rem;
}

.news-content h3 {
    color: var(--text-dark);
    margin-bottom: 1rem;
    font-size: 1.5rem;
}

.news-excerpt {
    color: var(--text-light);
    line-height: 1.6;
    margin-bottom: 1rem;
}

/* 项目案例 */
.project-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 2rem;
}

.project-card {
    background: var(--white);
    border-radius: 10px;
    overflow: hidden;
    box-shadow: var(--shadow);
    transition: transform 0.3s;
}

.project-card:hover {
    transform: translateY(-10px);
    box-shadow: var(--shadow-hover);
}

.project-image {
    width: 100%;
    height: 250px;
}

.project-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.project-image-placeholder {
    width: 100%;
    height: 250px;
    background: var(--bg-light);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-light);
}

.project-info {
    padding: 1.5rem;
}

.project-tag {
    display: inline-block;
    padding: 0.3rem 0.8rem;
    background: var(--accent-color);
    color: var(--white);
    border-radius: 20px;
    font-size: 0.85rem;
    margin-bottom: 1rem;
}

.project-info h3 {
    color: var(--text-dark);
    margin-bottom: 0.5rem;
}

.project-info p {
    color: var(--text-light);
    line-height: 1.6;
    margin-bottom: 1rem;
}

/* 响应式设计 */
@media (max-width: 768px) {
    .page-hero h1 {
        font-size: 2rem;
    }

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

    .news-image,
    .news-image-placeholder {
        height: 200px;
    }

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

    .article-nav {
        grid-template-columns: 1fr;
    }

    .map-container {
        height: 250px;
    }
}

/* 文章详情页样式 */
.article-content {
    background: #fff;
    padding: 2rem;
    border-radius: 10px;
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
    margin-bottom: 2rem;
    line-height: 1.8;
}

.article-content img {
    max-width: 100%;
    height: auto;
    border-radius: 5px;
    margin: 1rem 0;
}

.article-nav {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1rem;
    margin-bottom: 3rem;
}

.article-nav-item {
    padding: 1rem;
    background: #f8f9fa;
    border-radius: 5px;
}

.article-nav-item a {
    color: #1e5ba8;
    text-decoration: none;
}

.article-nav-item a:hover {
    text-decoration: underline;
}

.related-articles h3 {
    margin-bottom: 2rem;
    color: #2c3e50;
}

.text-muted {
    color: #7f8c8d;
}

/* 地图容器 */
.map-container {
    width: 100%;
    height: 300px;
    background: #ddd;
    border-radius: 10px;
    overflow: hidden;
    margin-top: 2rem;
}

.map-container iframe {
    width: 100%;
    height: 100%;
}

/* 投资合作页面 */
.investment-section {
    background: #fff;
    padding: 3rem;
    border-radius: 10px;
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
    margin-bottom: 3rem;
}

.investment-section h3 {
    color: #1e5ba8;
    font-size: 2rem;
    margin-bottom: 2rem;
    padding-bottom: 1rem;
    border-bottom: 3px solid #f4a261;
}

.process-steps {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 2rem;
}

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

.step-number {
    width: 60px;
    height: 60px;
    background: #1e5ba8;
    color: #fff;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    font-weight: 700;
    margin: 0 auto 1rem;
}

.step-item h4 {
    color: #2c3e50;
    margin-bottom: 0.5rem;
}

.step-item p {
    color: #7f8c8d;
    font-size: 0.9rem;
}

/* 关于我们页面 */
.timeline {
    position: relative;
    padding: 2rem 0;
    max-width: 700px;
    margin: 0 auto;
}

.timeline::before {
    content: '';
    position: absolute;
    left: 0;
    width: 2px;
    height: 100%;
    background: #1e5ba8;
}

.timeline-item {
    display: flex;
    align-items: flex-start;
    gap: 2rem;
    margin-bottom: 2.5rem;
    position: relative;
    padding-left: 2rem;
}

.timeline-item::before {
    content: '';
    position: absolute;
    left: -5px;
    top: 0.5rem;
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background: #1e5ba8;
    border: 2px solid #fff;
    box-shadow: 0 0 0 2px #1e5ba8;
}

.timeline-year {
    font-size: 1.5rem;
    font-weight: 700;
    color: #1e5ba8;
    min-width: 60px;
    flex-shrink: 0;
}

.timeline-content {
    background: #f8f9fa;
    padding: 1.5rem 2rem;
    border-radius: 10px;
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
    flex: 1;
}

.timeline-content h3 {
    color: #2c3e50;
    margin-bottom: 0.5rem;
}

.timeline-content p {
    color: #7f8c8d;
}

.culture-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
}

.culture-item {
    background: #f8f9fa;
    padding: 2rem;
    border-radius: 10px;
    text-align: center;
    border-top: 4px solid #1e5ba8;
}

.culture-item h3 {
    color: #1e5ba8;
    margin-bottom: 1rem;
    font-size: 1.5rem;
}

.culture-item p {
    color: #2c3e50;
    line-height: 1.6;
}

.strength-detail-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 2rem;
}

.strength-detail-item {
    background: #fff;
    padding: 2rem;
    border-radius: 10px;
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
    transition: transform 0.3s;
}

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

.strength-icon {
    font-size: 3rem;
    text-align: center;
    margin-bottom: 1rem;
}

.strength-detail-item h3 {
    color: #1e5ba8;
    margin-bottom: 1rem;
    text-align: center;
}

.strength-detail-item ul {
    list-style: none;
}

.strength-detail-item li {
    padding: 0.5rem 0;
    padding-left: 1.5rem;
    position: relative;
    color: #2c3e50;
}

.strength-detail-item li::before {
    content: '\2713';
    position: absolute;
    left: 0;
    color: #f4a261;
    font-weight: 700;
}

.certificates-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
}

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

.certificate-item img {
    width: 100%;
    height: 350px;
    object-fit: cover;
    border-radius: 10px;
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
    margin-bottom: 1rem;
}

.certificate-placeholder {
    width: 100%;
    height: 350px;
    background: #f8f9fa;
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 1rem;
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
}

.certificate-placeholder span {
    color: #7f8c8d;
    font-weight: 600;
    font-size: 1.2rem;
}

.certificate-item p {
    color: #2c3e50;
    font-weight: 500;
}

.org-chart {
    background: #f8f9fa;
    padding: 3rem;
    border-radius: 10px;
}

.org-level {
    display: flex;
    justify-content: center;
    gap: 2rem;
    margin-bottom: 2rem;
    flex-wrap: wrap;
}

.org-box {
    background: #fff;
    padding: 1.5rem 2rem;
    border-radius: 8px;
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
    border-left: 4px solid #1e5ba8;
    font-weight: 600;
    color: #2c3e50;
    min-width: 120px;
    text-align: center;
}

/* 业务板块页面 */
.business-detail {
    background: #fff;
    padding: 3rem;
    border-radius: 10px;
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
    margin-bottom: 3rem;
}

.business-detail h3 {
    color: #1e5ba8;
    font-size: 2rem;
    margin-bottom: 1.5rem;
}

.business-features {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 1.5rem;
    margin: 2rem 0;
}

.feature-box {
    background: #f8f9fa;
    padding: 1.5rem;
    border-radius: 8px;
    text-align: center;
}

.feature-box h4 {
    color: #2c3e50;
    margin-bottom: 0.5rem;
}

.feature-box p {
    color: #7f8c8d;
    font-size: 0.9rem;
}

.business-images {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 1rem;
    margin-top: 2rem;
}

.business-images img {
    width: 100%;
    height: 200px;
    object-fit: cover;
    border-radius: 8px;
}

/* 联系我们页面 */
.contact-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 3rem;
}

.contact-form {
    background: #fff;
    padding: 2rem;
    border-radius: 10px;
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
}

.form-group {
    margin-bottom: 1.5rem;
}

.form-group label {
    display: block;
    margin-bottom: 0.5rem;
    color: #2c3e50;
    font-weight: 500;
}

.form-group input,
.form-group textarea,
.form-group select {
    width: 100%;
    padding: 0.8rem;
    border: 1px solid #ddd;
    border-radius: 5px;
    font-size: 1rem;
    font-family: inherit;
    transition: border-color 0.3s;
}

.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus {
    outline: none;
    border-color: #1e5ba8;
}

.form-group textarea {
    resize: vertical;
    min-height: 120px;
}

.contact-info {
    background: #f8f9fa;
    padding: 2rem;
    border-radius: 10px;
}

.info-item {
    margin-bottom: 2rem;
}

.info-item h3 {
    color: #1e5ba8;
    margin-bottom: 1rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.info-item p {
    color: #2c3e50;
    line-height: 1.8;
}

/* 通用卡片网格 */
.advantages-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
}

.advantage-item {
    text-align: center;
    padding: 2rem;
    background: #f8f9fa;
    border-radius: 10px;
}

.advantage-icon {
    font-size: 3rem;
    margin-bottom: 1rem;
}

.advantage-item h4 {
    color: #2c3e50;
    margin-bottom: 0.5rem;
}

.advantage-item p {
    color: #7f8c8d;
}

.intro-grid {
    display: grid;
    grid-template-columns: 1.5fr 1fr;
    gap: 3rem;
    align-items: center;
}

.intro-text p {
    margin-bottom: 1.5rem;
    line-height: 1.8;
    text-align: justify;
}

.intro-image img {
    width: 100%;
    border-radius: 10px;
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
}

/* 荣誉资质 */
.honors-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
}

.honor-item {
    background: #fff;
    padding: 1rem;
    border-radius: 10px;
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
    text-align: center;
    transition: transform 0.3s;
}

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

.honor-item img {
    width: 100%;
    height: 300px;
    object-fit: cover;
    border-radius: 5px;
    margin-bottom: 1rem;
}

.honor-placeholder {
    width: 100%;
    height: 300px;
    background: #f8f9fa;
    border-radius: 5px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 1rem;
    color: #7f8c8d;
    font-weight: 600;
}

.honor-item p {
    color: #2c3e50;
    font-weight: 500;
}