/* ========================================
   内页通用样式
   ======================================== */

.page-header {
    padding: 150px 0 80px;
    background: linear-gradient(135deg, var(--cream-white), var(--light-green));
    position: relative;
}

.page-title {
    font-size: 48px;
    font-weight: 700;
    margin-bottom: 20px;
    color: var(--text-dark);
}

.page-breadcrumb {
    display: flex;
    gap: 10px;
    align-items: center;
    font-size: 15px;
    color: var(--text-gray);
}

.page-breadcrumb a:hover {
    color: var(--primary-green);
}

/* 内容区域 */
.content-section {
    padding: 100px 0;
}

/* 服务项目页 */
.services-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 40px;
}

.service-card {
    background: var(--pure-white);
    border-radius: 20px;
    overflow: hidden;
    box-shadow: 0 15px 40px rgba(0, 0, 0, 0.08);
    transition: all 0.4s ease;
    text-decoration: none;
    display: block;
}

.service-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 25px 50px rgba(0, 0, 0, 0.15);
}

.service-image {
    width: 100%;
    height: 220px;
    object-fit: cover;
}

.service-content {
    padding: 30px;
}

.service-content h3 {
    font-size: 20px;
    margin-bottom: 15px;
    color: var(--text-dark);
}

.service-content p {
    font-size: 15px;
    color: var(--text-gray);
    line-height: 1.8;
    margin-bottom: 20px;
}

.service-link {
    font-size: 15px;
    color: var(--primary-green);
    font-weight: 500;
    transition: all 0.3s ease;
}

.service-card:hover .service-link {
    color: var(--light-green);
    padding-left: 5px;
}

/* 服务详情页 */
.service-detail-wrapper {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: 60px;
}

.service-detail-content h2 {
    font-size: 36px;
    margin-bottom: 30px;
    color: var(--text-dark);
}

.service-detail-content p {
    font-size: 16px;
    line-height: 2;
    color: var(--text-gray);
    margin-bottom: 25px;
}

.service-features {
    margin-top: 50px;
}

.service-features h3 {
    font-size: 24px;
    margin-bottom: 25px;
    color: var(--text-dark);
}

.feature-list {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 20px;
}

.feature-item {
    display: flex;
    align-items: center;
    gap: 15px;
    padding: 20px;
    background: var(--cream-white);
    border-radius: 15px;
}

.feature-icon {
    width: 50px;
    height: 50px;
    background: linear-gradient(135deg, var(--primary-green), var(--light-green));
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 24px;
    flex-shrink: 0;
}

.feature-item span {
    font-size: 16px;
    font-weight: 500;
    color: var(--text-dark);
}

/* 侧边栏 */
.sidebar {
    background: var(--pure-white);
    padding: 40px;
    border-radius: 20px;
    box-shadow: 0 15px 40px rgba(0, 0, 0, 0.08);
    height: fit-content;
    position: sticky;
    top: 100px;
}

.sidebar h3 {
    font-size: 22px;
    margin-bottom: 25px;
    color: var(--text-dark);
}

.sidebar-menu {
    display: flex;
    flex-direction: column;
    gap: 15px;
}

.sidebar-menu a {
    padding: 15px 20px;
    background: var(--cream-white);
    border-radius: 12px;
    font-size: 15px;
    color: var(--text-dark);
    transition: all 0.3s ease;
}

.sidebar-menu a:hover,
.sidebar-menu a.active {
    background: var(--primary-green);
    color: var(--pure-white);
    padding-left: 25px;
}

/* 案例展示页 */
.cases-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 40px;
}

.case-card {
    background: var(--pure-white);
    border-radius: 20px;
    overflow: hidden;
    box-shadow: 0 15px 40px rgba(0, 0, 0, 0.08);
    transition: all 0.4s ease;
}

.case-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 25px 50px rgba(0, 0, 0, 0.15);
}

.case-image {
    width: 100%;
    height: 250px;
    object-fit: cover;
}

.case-content {
    padding: 30px;
}

.case-content h3 {
    font-size: 20px;
    margin-bottom: 15px;
    color: var(--text-dark);
}

.case-content p {
    font-size: 15px;
    color: var(--text-gray);
    line-height: 1.8;
    margin-bottom: 20px;
}

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

.case-tag {
    padding: 6px 15px;
    background: var(--cream-white);
    border-radius: 20px;
    font-size: 13px;
    color: var(--primary-green);
}

/* 关于我们页 */
.about-intro {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 80px;
    align-items: center;
    margin-bottom: 100px;
}

.about-image {
    width: 100%;
    height: 500px;
    object-fit: cover;
    border-radius: 20px;
    box-shadow: 0 30px 60px rgba(0, 0, 0, 0.15);
}

.about-text h2 {
    font-size: 36px;
    margin-bottom: 30px;
    color: var(--text-dark);
}

.about-text p {
    font-size: 16px;
    line-height: 2;
    color: var(--text-gray);
    margin-bottom: 25px;
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 30px;
    margin-top: 80px;
}

.stat-card {
    text-align: center;
    padding: 40px 30px;
    background: var(--pure-white);
    border-radius: 20px;
    box-shadow: 0 15px 40px rgba(0, 0, 0, 0.08);
}

.stat-number {
    font-size: 48px;
    font-weight: 700;
    color: var(--primary-green);
    margin-bottom: 15px;
}

.stat-label {
    font-size: 16px;
    color: var(--text-gray);
}

/* 理念板块 - 优势网格 */
.advantages-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 30px;
    margin-top: 50px;
}

.advantage-card {
    background: var(--pure-white);
    padding: 40px 30px;
    border-radius: 20px;
    text-align: center;
    box-shadow: 0 15px 40px rgba(0, 0, 0, 0.08);
    transition: all 0.4s ease;
}

.advantage-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 25px 50px rgba(0, 0, 0, 0.15);
}

.advantage-icon {
    width: 80px;
    height: 80px;
    margin: 0 auto 25px;
    background: linear-gradient(135deg, var(--primary-green), var(--light-green));
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 36px;
}

.advantage-card h3 {
    font-size: 20px;
    margin-bottom: 15px;
    color: var(--text-dark);
}

.advantage-card p {
    font-size: 15px;
    line-height: 1.8;
    color: var(--text-gray);
}

/* 联系页面 */
.contact-wrapper {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 80px;
}

.contact-info h2 {
    font-size: 36px;
    margin-bottom: 30px;
    color: var(--text-dark);
}

.contact-item {
    display: flex;
    align-items: center;
    gap: 20px;
    margin-bottom: 30px;
    padding: 25px;
    background: var(--pure-white);
    border-radius: 15px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.05);
}

.contact-icon {
    width: 60px;
    height: 60px;
    background: linear-gradient(135deg, var(--primary-green), var(--light-green));
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 28px;
    flex-shrink: 0;
}

.contact-item h4 {
    font-size: 18px;
    margin-bottom: 8px;
    color: var(--text-dark);
}

.contact-item p {
    font-size: 15px;
    color: var(--text-gray);
}

.contact-form {
    background: var(--pure-white);
    padding: 50px;
    border-radius: 20px;
    box-shadow: 0 15px 40px rgba(0, 0, 0, 0.08);
}

.form-group {
    margin-bottom: 25px;
}

.form-group label {
    display: block;
    margin-bottom: 10px;
    font-size: 15px;
    font-weight: 500;
    color: var(--text-dark);
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 15px 20px;
    border: 2px solid var(--border-color);
    border-radius: 12px;
    font-size: 15px;
    font-family: inherit;
    transition: all 0.3s ease;
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--primary-green);
}

.form-group textarea {
    min-height: 150px;
    resize: vertical;
}

.submit-btn {
    width: 100%;
    padding: 18px;
    background: linear-gradient(135deg, var(--primary-green), var(--light-green));
    color: var(--pure-white);
    border: none;
    border-radius: 12px;
    font-size: 16px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
}

.submit-btn:hover {
    transform: translateY(-3px);
    box-shadow: 0 15px 30px rgba(135, 179, 107, 0.4);
}

/* 资讯列表页 */
.news-list-wrapper {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: 60px;
}

.news-list-main {
    display: flex;
    flex-direction: column;
    gap: 30px;
}

.news-card {
    display: flex;
    gap: 30px;
    background: var(--pure-white);
    padding: 30px;
    border-radius: 20px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.05);
    transition: all 0.3s ease;
}

.news-card:hover {
    transform: translateX(10px);
    box-shadow: 0 15px 40px rgba(0, 0, 0, 0.1);
}

.news-card-image {
    width: 280px;
    height: 180px;
    object-fit: cover;
    border-radius: 15px;
    flex-shrink: 0;
}

.news-card-content h3 {
    font-size: 22px;
    margin-bottom: 15px;
    color: var(--text-dark);
    line-height: 1.5;
}

.news-card-content p {
    font-size: 15px;
    color: var(--text-gray);
    line-height: 1.8;
    margin-bottom: 20px;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.news-card-meta {
    display: flex;
    gap: 20px;
    font-size: 14px;
    color: var(--primary-green);
}

/* 资讯详情页 */
.article-detail {
    max-width: 900px;
    margin: 0 auto;
}

.article-header {
    text-align: center;
    margin-bottom: 50px;
    padding-bottom: 40px;
    border-bottom: 2px solid var(--border-color);
}

.article-header h1 {
    font-size: 42px;
    margin-bottom: 20px;
    color: var(--text-dark);
}

.article-meta {
    display: flex;
    justify-content: center;
    gap: 30px;
    font-size: 15px;
    color: var(--text-gray);
}

.article-body {
    font-size: 17px;
    line-height: 2;
    color: var(--text-gray);
}

.article-body p {
    margin-bottom: 25px;
}

.article-body img {
    width: 100%;
    border-radius: 15px;
    margin: 30px 0;
}

.related-news {
    margin-top: 80px;
    padding-top: 60px;
    border-top: 2px solid var(--border-color);
}

.related-news h3 {
    font-size: 28px;
    margin-bottom: 40px;
    color: var(--text-dark);
}

/* 响应式 */
@media (max-width: 1024px) {
    .services-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .service-detail-wrapper,
    .news-list-wrapper {
        grid-template-columns: 1fr;
    }
    
    .sidebar {
        position: static;
    }
    
    .cases-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 768px) {
    .page-title {
        font-size: 32px;
    }
    
    .services-grid {
        grid-template-columns: 1fr;
    }
    
    .about-intro,
    .contact-wrapper {
        grid-template-columns: 1fr;
        gap: 40px;
    }
    
    .stats-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .advantages-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .feature-list {
        grid-template-columns: 1fr;
    }
    
    .cases-grid {
        grid-template-columns: 1fr;
    }
    
    .news-card {
        flex-direction: column;
    }
    
    .news-card-image {
        width: 100%;
        height: 200px;
    }
}