/* 行业洞察页面样式 */

/* 页面头部 */
.page-header {
    background: linear-gradient(135deg, #4361ee 0%, #3f37c9 100%);
    color: white;
}

.page-header h1 {
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: 1rem;
}

.page-header .lead {
    font-size: 1.2rem;
    opacity: 0.95;
}

/* 主内容区布局 */
.insights-main {
    background-color: #f8f9fa;
}

.insights-layout {
    gap: 40px;
}

/* 左侧卡片容器 */
.insights-cards-wrapper {
    display: flex;
    flex-direction: column;
    gap: 24px;
}

/* 卡片链接 - 整体可点击 */
.insight-card-link {
    display: block;
    text-decoration: none;
    color: inherit;
    transition: all 0.3s ease;
}

.insight-card-link:hover {
    transform: translateX(5px);
}

.insight-card-link:hover .insight-card {
    box-shadow: 0 10px 30px rgba(67, 97, 238, 0.2);
}

/* 卡片样式 */
.insight-card {
    display: flex;
    background: white;
    border-radius: 12px;
    overflow: hidden;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.08);
    transition: all 0.3s ease;
    height: 200px;
}

.insight-card-image {
    width: 280px;
    flex-shrink: 0;
    position: relative;
    overflow: hidden;
}

.insight-card-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.5s ease;
}

.insight-card-link:hover .insight-card-image img {
    transform: scale(1.1);
}

.insight-card-content {
    flex: 1;
    padding: 24px 30px;
    display: flex;
    flex-direction: column;
    justify-content: center;
}

.insight-card-title {
    font-size: 1.4rem;
    font-weight: 700;
    color: #212529;
    margin-bottom: 12px;
    line-height: 1.4;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.insight-card-excerpt {
    color: #6c757d;
    font-size: 1rem;
    line-height: 1.7;
    display: -webkit-box;
    -webkit-line-clamp: 3;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

/* 右侧列表容器 */
.insights-list-wrapper {
    background: white;
    padding: 30px;
    border-radius: 12px;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.08);
    position: sticky;
    top: 100px;
}

.insights-list-title {
    font-size: 1.3rem;
    font-weight: 700;
    color: #212529;
    padding-bottom: 10px;
}

/* 列表项链接 */
.insight-list-item-link {
    display: block;
    text-decoration: none;
    color: inherit;
    transition: all 0.3s ease;
}

.insight-list-item-link:hover {
    transform: translateX(5px);
}

.insight-list-item-link:hover .insight-list-title {
    color: #4361ee;
}

/* 列表项样式 */
.insight-list-item {
    display: flex;
    gap: 15px;
    padding: 16px 0;
    border-bottom: 1px solid #e9ecef;
}

.insight-list-item:last-child {
    border-bottom: none;
}

.insight-list-number {
    font-size: 1.5rem;
    font-weight: 700;
    color: #dee2e6;
    line-height: 1;
    min-width: 35px;
}

.insight-list-item-link:hover .insight-list-number {
    color: #4361ee;
}

.insight-list-content {
    flex: 1;
}

.insight-list-title {
    font-size: 1rem;
    font-weight: 600;
    color: #212529;
    margin-bottom: 8px;
    line-height: 1.5;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
    transition: color 0.3s ease;
}

.insight-list-meta {
    display: flex;
    gap: 15px;
    font-size: 0.85rem;
    color: #adb5bd;
}

.insight-date,
.insight-views {
    display: flex;
    align-items: center;
}

.insight-list-meta i {
    font-size: 0.8rem;
}

/* 响应式调整 */
@media (max-width: 991px) {
    .insights-layout {
        gap: 30px;
    }
    
    .insight-card {
        height: auto;
        flex-direction: column;
    }
    
    .insight-card-image {
        width: 100%;
        height: 220px;
    }
    
    .insight-card-content {
        padding: 20px;
    }
    
    .insight-card-title {
        font-size: 1.2rem;
    }
    
    .insight-card-excerpt {
        font-size: 0.95rem;
    }
}

@media (max-width: 767px) {
    .page-header h1 {
        font-size: 2rem;
    }
    
    .page-header .lead {
        font-size: 1rem;
    }
    
    .insights-main {
        padding: 40px 0;
    }
    
    .insights-cards-wrapper {
        gap: 20px;
    }
    
    .insight-card {
        height: auto;
    }
    
    .insight-card-image {
        height: 200px;
    }
}

/* 动画效果 */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.insight-card-link {
    animation: fadeInUp 0.6s ease forwards;
}

.insight-card-link:nth-child(1) { animation-delay: 0.1s; }
.insight-card-link:nth-child(2) { animation-delay: 0.2s; }
.insight-card-link:nth-child(3) { animation-delay: 0.3s; }
.insight-card-link:nth-child(4) { animation-delay: 0.4s; }
.insight-card-link:nth-child(5) { animation-delay: 0.5s; }
.insight-card-link:nth-child(6) { animation-delay: 0.6s; }

.insight-list-item-link {
    animation: fadeInUp 0.5s ease forwards;
}

.insight-list-item-link:nth-child(2) { animation-delay: 0.1s; }
.insight-list-item-link:nth-child(3) { animation-delay: 0.2s; }
.insight-list-item-link:nth-child(4) { animation-delay: 0.3s; }
.insight-list-item-link:nth-child(5) { animation-delay: 0.4s; }
.insight-list-item-link:nth-child(6) { animation-delay: 0.5s; }
.insight-list-item-link:nth-child(7) { animation-delay: 0.6s; }
.insight-list-item-link:nth-child(8) { animation-delay: 0.7s; }