/* about-v2.css - 关于我们页面 (内容站风格) */

/* ========== 二级频道页头 ========== */
.channel-header {
    background: linear-gradient(135deg, #f8f9fa 0%, #e9ecef 100%);
    padding: 30px 0;
    border-bottom: 1px solid #dee2e6;
}

.breadcrumb {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 14px;
    color: #6c757d;
    margin-bottom: 20px;
}

.breadcrumb a {
    color: #495057;
    text-decoration: none;
}

.breadcrumb a:hover {
    color: #2563eb;
}

.breadcrumb span {
    color: #adb5bd;
}

.channel-title-wrap {
    text-align: center;
}

.channel-icon {
    font-size: 48px;
    display: block;
    margin-bottom: 10px;
}

.channel-title {
    font-size: 32px;
    font-weight: 700;
    color: #212529;
    margin-bottom: 10px;
}

.channel-subtitle {
    font-size: 16px;
    color: #6c757d;
}

/* ========== 频道容器布局 ========== */
.channel-container {
    padding: 40px 0;
    background: #f8f9fa;
    min-height: 600px;
}

.channel-layout {
    display: grid;
    grid-template-columns: 280px 1fr;
    gap: 30px;
}

/* ========== 侧边栏 ========== */
.channel-sidebar {
    position: sticky;
    top: 20px;
    height: fit-content;
}

.sidebar-menu {
    background: white;
    border-radius: 12px;
    box-shadow: 0 2px 8px rgba(0,0,0,0.08);
    overflow: hidden;
}

.sidebar-header {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    padding: 20px;
}

.sidebar-header h3 {
    font-size: 18px;
    font-weight: 600;
    margin-bottom: 5px;
}

.sidebar-header p {
    font-size: 13px;
    opacity: 0.9;
    margin: 0;
}

.sidebar-nav {
    padding: 10px 0;
}

.nav-item {
    display: flex;
    align-items: center;
    padding: 15px 20px;
    color: #495057;
    text-decoration: none;
    transition: all 0.2s;
    border-left: 3px solid transparent;
}

.nav-item:hover {
    background: #f8f9fa;
    color: #2563eb;
}

.nav-item.active {
    background: #e7f3ff;
    color: #2563eb;
    border-left-color: #2563eb;
}

.nav-icon {
    font-size: 20px;
    margin-right: 12px;
    width: 30px;
    text-align: center;
}

.nav-text {
    flex: 1;
    font-size: 15px;
}

.nav-arrow {
    font-size: 14px;
    color: #adb5bd;
}

.nav-item.active .nav-arrow {
    color: #2563eb;
}

.nav-item.contact-item {
    background: #f8f9fa;
    margin-top: 10px;
    border-top: 1px solid #e9ecef;
}

.nav-item.contact-item:hover {
    background: #e8f5e9;
    color: #2e7d32;
}

.sidebar-footer {
    padding: 20px;
    background: #f8f9fa;
    border-top: 1px solid #e9ecef;
}

.contact-info p {
    margin: 5px 0;
    font-size: 14px;
    color: #495057;
}

/* ========== 内容区域 ========== */
.channel-content {
    background: white;
    border-radius: 12px;
    box-shadow: 0 2px 8px rgba(0,0,0,0.08);
    padding: 40px;
    min-height: 600px;
}

.content-article {
    max-width: 800px;
}

.article-lead {
    font-size: 18px;
    line-height: 1.8;
    color: #495057;
    padding: 25px;
    background: #f8f9fa;
    border-radius: 8px;
    margin-bottom: 30px;
    border-left: 4px solid #667eea;
}

.article-lead p {
    margin: 0;
}

/* ========== 内容区块 ========== */
.content-blocks {
    display: flex;
    flex-direction: column;
    gap: 40px;
}

.info-block {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 30px;
    align-items: center;
}

.info-block.reverse {
    direction: rtl;
}

.info-block.reverse > * {
    direction: ltr;
}

.block-image {
    border-radius: 12px;
    overflow: hidden;
    box-shadow: 0 4px 15px rgba(0,0,0,0.1);
}

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

.block-text h3 {
    font-size: 24px;
    font-weight: 600;
    color: #212529;
    margin-bottom: 15px;
}

.block-text p {
    font-size: 15px;
    line-height: 1.8;
    color: #495057;
    margin-bottom: 20px;
}

.feature-list {
    list-style: none;
    padding: 0;
    margin: 0;
}

.feature-list li {
    padding: 8px 0;
    font-size: 15px;
    color: #495057;
}

.product-cats {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    margin-top: 15px;
}

.cat-tag {
    display: inline-block;
    padding: 8px 16px;
    background: #e7f3ff;
    color: #2563eb;
    border-radius: 20px;
    font-size: 14px;
}

/* ========== 企业文化 ========== */
.culture-section {
    display: grid;
    gap: 30px;
}

.culture-item {
    text-align: center;
    padding: 30px;
    background: #f8f9fa;
    border-radius: 12px;
}

.culture-icon {
    font-size: 48px;
    margin-bottom: 15px;
}

.culture-item h3 {
    font-size: 20px;
    font-weight: 600;
    color: #212529;
    margin-bottom: 10px;
}

.culture-item p {
    font-size: 15px;
    color: #495057;
    line-height: 1.7;
    margin: 0;
}

/* ========== 发展历程时间轴 ========== */
.timeline {
    position: relative;
    padding-left: 30px;
}

.timeline::before {
    content: '';
    position: absolute;
    left: 0;
    top: 0;
    bottom: 0;
    width: 2px;
    background: #dee2e6;
}

.timeline-item {
    position: relative;
    padding: 20px 0;
}

.timeline-item::before {
    content: '';
    position: absolute;
    left: -34px;
    top: 24px;
    width: 12px;
    height: 12px;
    background: #667eea;
    border-radius: 50%;
    border: 2px solid white;
    box-shadow: 0 0 0 2px #667eea;
}

.timeline-year {
    font-size: 24px;
    font-weight: 700;
    color: #667eea;
    margin-bottom: 5px;
}

.timeline-content h4 {
    font-size: 18px;
    font-weight: 600;
    color: #212529;
    margin-bottom: 5px;
}

.timeline-content p {
    font-size: 15px;
    color: #6c757d;
    margin: 0;
}

/* ========== 团队统计 ========== */
.team-intro {
    font-size: 16px;
    line-height: 1.8;
    color: #495057;
    margin-bottom: 30px;
    padding: 20px;
    background: #f8f9fa;
    border-radius: 8px;
}

.team-stats {
    display: flex;
    justify-content: center;
    gap: 60px;
    padding: 30px;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    border-radius: 12px;
    color: white;
}

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

.team-stats .stat-num {
    display: block;
    font-size: 36px;
    font-weight: 700;
    margin-bottom: 5px;
}

.team-stats .stat-label {
    font-size: 14px;
    opacity: 0.9;
}

/* ========== 荣誉资质 ========== */
.honor-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 20px;
}

.honor-item {
    text-align: center;
    padding: 30px;
    background: #f8f9fa;
    border-radius: 12px;
    transition: transform 0.2s;
}

.honor-item:hover {
    transform: translateY(-5px);
    box-shadow: 0 4px 15px rgba(0,0,0,0.1);
}

.honor-icon {
    font-size: 48px;
    margin-bottom: 15px;
}

.honor-item h4 {
    font-size: 18px;
    font-weight: 600;
    color: #212529;
    margin-bottom: 8px;
}

.honor-item p {
    font-size: 14px;
    color: #6c757d;
    margin: 0;
}

/* ========== 响应式 ========== */
@media (max-width: 992px) {
    .channel-layout {
        grid-template-columns: 1fr;
    }
    
    .channel-sidebar {
        position: static;
        order: 2;
    }
    
    .channel-content {
        order: 1;
    }
    
    .info-block {
        grid-template-columns: 1fr;
    }
    
    .info-block.reverse {
        direction: ltr;
    }
    
    .honor-grid {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 768px) {
    .channel-title {
        font-size: 24px;
    }
    
    .channel-content {
        padding: 20px;
    }
    
    .team-stats {
        flex-direction: column;
        gap: 30px;
    }
}