/* ====== 知识库独享样式 ====== */
.knowledge-hero {
    position: relative;
    padding: 180px 0 120px;
    background: linear-gradient(135deg, rgba(26, 54, 93, 0.9) 0%, rgba(43, 108, 176, 0.8) 100%), url('/template/giaxi/images/9.jpg');
    background-size: cover;
    background-position: center;
    color: white;
    overflow: hidden;
}

.knowledge-hero h1 {
    color: white;
    background: none;
    -webkit-background-clip: initial;
    background-clip: initial;
    margin-bottom: 25px;
}

.knowledge-hero p {
    color: rgba(255, 255, 255, 0.9);
    font-size: 1.3rem;
    max-width: 800px;
    margin: 0 auto 40px;
}

.search-box {
    max-width: 700px;
    margin: 50px auto 0;
    position: relative;
}

.search-box input {
    width: 100%;
    padding: 20px 25px;
    border-radius: 12px;
    border: none;
    font-size: 1.1rem;
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.15);
    transition: var(--transition);
}

.search-box input:focus {
    outline: none;
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.25);
}

.search-box button {
    position: absolute;
    right: 10px;
    top: 50%;
    transform: translateY(-50%);
    background: var(--gradient-primary);
    color: white;
    border: none;
    border-radius: 8px;
    padding: 12px 25px;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
}

.search-box button:hover {
    background: var(--gradient-secondary);
    transform: translateY(-50%) scale(1.05);
}

.knowledge-content {
    padding: 100px 0;
    background: var(--light-bg);
}

.knowledge-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 35px;
    margin-bottom: 80px;
}

.article-card {
    background: white;
    border-radius: var(--border-radius);
    overflow: hidden;
    box-shadow: var(--box-shadow);
    transition: var(--transition);
    border: 1px solid var(--light-gray);
    height: 100%;
    display: flex;
    flex-direction: column;
}

.article-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 15px 40px rgba(0, 0, 0, 0.12);
    border-color: rgba(43, 108, 176, 0.2);
}

.article-image {
    height: 220px;
    overflow: hidden;
    position: relative;
}

.article-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.8s ease;
}

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

.article-content {
    padding: 30px;
    flex-grow: 1;
    display: flex;
    flex-direction: column;
}

.article-content h3 {
    font-size: 1.4rem;
    margin-bottom: 15px;
    color: var(--dark-color);
    line-height: 1.4;
}

/* H3链接无下划线 */
.article-content h3 a {
    text-decoration: none;
    color: var(--dark-color);
    transition: var(--transition);
}

.article-content h3 a:hover {
    color: var(--secondary-color);
}

.article-excerpt {
    color: var(--gray-color);
    margin-bottom: 20px;
    flex-grow: 1;
}

.article-meta {
    display: flex;
    justify-content: space-between;
    color: var(--gray-color);
    font-size: 0.9rem;
    margin-top: 20px;
    padding-top: 20px;
    border-top: 1px solid var(--light-gray);
}

.article-category {
    display: inline-block;
    background: rgba(43, 108, 176, 0.1);
    color: var(--secondary-color);
    padding: 5px 12px;
    border-radius: 20px;
    font-size: 0.8rem;
    font-weight: 600;
    margin-bottom: 15px;
    transition: var(--transition);
}

.article-card:hover .article-category {
    background: var(--gradient-primary);
    color: white;
}

/* ====== 分页样式 ====== */
.pagination {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 8px;
    margin-top: 80px;
}

.page-num {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 45px;
    height: 45px;
    border-radius: 8px;
    background: white;
    color: var(--dark-color);
    font-weight: 600;
    font-size: 1rem;
    transition: var(--transition);
    border: 1px solid var(--light-gray);
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.05);
}

.page-num:hover {
    transform: translateY(-3px);
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
    border-color: rgba(43, 108, 176, 0.3);
    color: var(--secondary-color);
}

.page-num-current {
    background: var(--gradient-primary);
    color: white;
    border-color: var(--primary-color);
}

.page-num-current:hover {
    color: white;
    border-color: var(--primary-color);
}

.page-num i {
    font-size: 0.9rem;
}

/* ====== 知识库响应式调整 ====== */
@media (max-width: 1200px) {
    .knowledge-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 992px) {
    .knowledge-hero h1 {
        font-size: 2.8rem;
    }
    
    .knowledge-hero p {
        font-size: 1.2rem;
    }
}

@media (max-width: 768px) {
    .knowledge-grid {
        grid-template-columns: 1fr;
    }
    
    .article-card {
        padding: 30px 25px;
    }
    
    .knowledge-hero {
        padding: 150px 0 100px;
    }
}

@media (max-width: 480px) {
    .knowledge-hero p {
        font-size: 1.1rem;
    }
    
    .page-num {
        width: 40px;
        height: 40px;
        font-size: 0.9rem;
    }
}