/* ====== zhishiku.css - 知识库页面独享CSS ====== */

/* 知识库英雄区域 */
.knowledge-hero {
    position: relative;
    height: 50vh;
    min-height: 700px;
    display: flex;
    align-items: center;
    background: linear-gradient(135deg, rgba(0, 102, 204, 0.85) 0%, rgba(0, 160, 233, 0.9) 100%), url('/template/giaxi/images/8.jpg') center/cover no-repeat;
    overflow: hidden;
    color: white;
      padding-top: 300px;
}

.knowledge-hero-content {
    max-width: 900px;
    position: relative;
    z-index: 2;
    text-align: center;
}

.knowledge-hero h1 {
    background: var(--gradient-secondary);
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
    margin-bottom: 20px;
}

.knowledge-hero p {
    color: rgba(255, 255, 255, 0.9);
    font-size: 1.4rem;
    margin-bottom: 40px;
    max-width: 800px;
    margin-left: auto;
    margin-right: auto;
}

.search-container {
    max-width: 700px;
    margin: 40px auto 0;
    position: relative;
}

.search-input {
    width: 100%;
    padding: 20px 30px;
    border-radius: 50px;
    border: none;
    font-size: 1.1rem;
    box-shadow: 0 15px 40px rgba(0, 0, 0, 0.2);
    outline: none;
    padding-right: 70px;
}

.search-button {
    position: absolute;
    right: 10px;
    top: 10px;
    background: var(--gradient-primary);
    color: white;
    border: none;
    width: 50px;
    height: 50px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    font-size: 1.2rem;
    transition: var(--transition);
}

.search-button:hover {
    transform: scale(1.1);
    box-shadow: 0 10px 25px rgba(0, 102, 204, 0.3);
}

/* 知识库内容区域 */
.knowledge-content {
    background: white;
    position: relative;
    padding-top: 80px;
}

.knowledge-categories {
    display: flex;
    justify-content: center;
    flex-wrap: wrap;
    gap: 15px;
    margin-bottom: 60px;
}

.category-btn {
    background: white;
    padding: 12px 28px;
    border-radius: 50px;
    border: 2px solid rgba(0, 102, 204, 0.2);
    color: var(--dark-color);
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
}

.category-btn:hover, .category-btn.active {
    background: var(--gradient-primary);
    color: white;
    border-color: var(--primary-color);
    transform: translateY(-3px);
    box-shadow: 0 10px 25px rgba(0, 102, 204, 0.1);
}

/* 文章列表样式 */
.articles-container {
    max-width: 1200px;
    margin: 0 auto;
}

.article-list {
    display: flex;
    flex-direction: column;
    gap: 40px;
}

.article-item {
    background: white;
    border-radius: var(--border-radius);
    padding: 50px;
    box-shadow: var(--box-shadow);
    transition: var(--transition);
    border: 1px solid rgba(0, 102, 204, 0.1);
    display: flex;
    gap: 40px;
    align-items: flex-start;
}

@media (max-width: 992px) {
    .article-item {
        flex-direction: column;
        gap: 25px;
    }
}

.article-item:hover {
    transform: translateY(-10px);
    box-shadow: 0 25px 60px rgba(0, 102, 204, 0.15);
    border-color: rgba(0, 102, 204, 0.2);
}

.article-image {
    flex: 0 0 300px;
    height: 250px;
    border-radius: var(--border-radius);
    overflow: hidden;
    position: relative;
}

.article-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 1s cubic-bezier(0.19, 1, 0.22, 1);
}

.article-item:hover .article-image img {
    transform: scale(1.1);
}

.article-text {
    flex: 1;
}

.article-text h3 {
    margin-bottom: 20px;
    font-size: 1.8rem;
}

/* H3标签链接无下划线样式 */
.article-text h3 a {
    text-decoration: none;
    color: var(--dark-color);
    position: relative;
    display: inline-block;
    padding-bottom: 5px;
}

.article-text h3 a:after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 3px;
    background: var(--gradient-primary);
    border-radius: 2px;
    transition: var(--transition);
}

.article-text h3 a:hover:after {
    width: 100%;
}

.article-text h3 a:hover {
    color: var(--primary-color);
}

.article-meta {
    display: flex;
    gap: 20px;
    margin-bottom: 20px;
    color: var(--gray-color);
    font-size: 0.95rem;
}

.article-meta span {
    display: flex;
    align-items: center;
    gap: 5px;
}

.article-excerpt {
    color: var(--gray-color);
    margin-bottom: 25px;
    font-size: 1.15rem;
    line-height: 1.8;
}

.article-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    margin-bottom: 25px;
}

.article-tag {
    background: rgba(0, 102, 204, 0.08);
    color: var(--primary-color);
    padding: 6px 15px;
    border-radius: 50px;
    font-size: 0.85rem;
    font-weight: 600;
    border: 1px solid rgba(0, 102, 204, 0.2);
    transition: var(--transition);
}

.article-tag:hover {
    background: var(--gradient-primary);
    color: white;
    transform: translateY(-2px);
}

.read-more {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    color: var(--primary-color);
    font-weight: 700;
    font-size: 1.1rem;
}

.read-more:hover {
    color: var(--secondary-color);
    gap: 12px;
}

/* 分页样式 */
.pagination-container {
    margin-top: 80px;
    display: flex;
    justify-content: center;
}

.pagination {
    display: flex;
    align-items: center;
    gap: 10px;
}

.page-num {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 50px;
    height: 50px;
    border-radius: 10px;
    background: white;
    color: var(--dark-color);
    font-weight: 600;
    font-size: 1.1rem;
    border: 2px solid rgba(0, 102, 204, 0.1);
    transition: var(--transition);
}

.page-num:hover {
    border-color: var(--primary-color);
    color: var(--primary-color);
    transform: translateY(-3px);
    box-shadow: 0 10px 20px rgba(0, 102, 204, 0.1);
}

.page-num-current {
    background: var(--gradient-primary);
    color: white;
    border-color: var(--primary-color);
    box-shadow: 0 10px 20px rgba(0, 102, 204, 0.2);
}

.page-num-current:hover {
    color: white;
}

/* 知识库页面的响应式调整 */
@media (max-width: 992px) {
    .knowledge-hero {
        height: auto;
        min-height: auto;
        padding: 150px 0 100px;
    }
}

@media (max-width: 768px) {
    .article-item {
        padding: 30px;
    }
    
    .article-image {
        flex: 0 0 100%;
        height: 200px;
    }
    
    .knowledge-categories {
        gap: 10px;
    }
    
    .category-btn {
        padding: 10px 20px;
        font-size: 0.9rem;
    }
    
    .page-num {
        width: 40px;
        height: 40px;
        font-size: 1rem;
    }
}