/* 页面标题 */
.page-title {
    background: linear-gradient(135deg, #1e3c72 0%, #2a5298 100%);
    color: #fff;
    padding: 30px 30px;
    margin-top: 150px;
}

.page-title h1 {
    font-size: 28px;
    margin-bottom: 5px;
    font-weight: 700;
    line-height: 1.2;
}

.breadcrumb {
    font-size: 13px;
    opacity: 0.9;
    max-width: 1400px;
    margin: 0 auto;
}

.breadcrumb a {
    color: #fff;
    opacity: 0.9;
}

.breadcrumb a:hover {
    opacity: 1;
}

.breadcrumb span {
    opacity: 0.8;
}

/* 资源中心页面 */
.resources-section {
    padding: 80px 0;
    background: #f9f9f9;
}

.resources-layout {
    display: grid;
    grid-template-columns: 1fr 350px;
    gap: 40px;
}

/* 分类筛选 */
.category-filter {
    padding: 20px 0;
    background: #fff;
    border-radius: 10px;
    box-shadow: 0 2px 10px rgba(0,0,0,0.05);
    margin-bottom: 30px;
    display: flex;
    gap: 10px;
    flex-wrap: wrap;
}

.filter-btn {
    padding: 10px 25px;
    border: 2px solid #1e3c72;
    background: #fff;
    color: #1e3c72;
    border-radius: 20px;
    font-size: 15px;
    cursor: pointer;
    transition: all 0.3s ease;
    font-weight: 500;
}

.filter-btn:hover,
.filter-btn.active {
    background: #1e3c72;
    color: #fff;
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(30, 60, 114, 0.3);
}

/* 搜索框 */
.search-bar {
    display: flex;
    gap: 10px;
    margin-bottom: 30px;
}

.search-bar input {
    flex: 1;
    padding: 12px 20px;
    border: 2px solid #e0e0e0;
    border-radius: 5px;
    font-size: 16px;
    transition: all 0.3s ease;
}

.search-bar input:focus {
    outline: none;
    border-color: #1e3c72;
    box-shadow: 0 0 0 3px rgba(30, 60, 114, 0.1);
}

.search-bar button {
    padding: 12px 30px;
    background: linear-gradient(135deg, #1e3c72 0%, #2a5298 100%);
    color: #fff;
    border: none;
    border-radius: 5px;
    font-size: 16px;
    cursor: pointer;
    transition: all 0.3s ease;
}

.search-bar button:hover {
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(30, 60, 114, 0.3);
}

/* 资源网格 */
.resources-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 20px;
    margin-bottom: 40px;
}

.resource-card {
    background: #fff;
    border-radius: 10px;
    padding: 25px;
    box-shadow: 0 5px 15px rgba(0,0,0,0.1);
    display: flex;
    flex-direction: column;
    gap: 15px;
    transition: all 0.3s ease;
}

.resource-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 30px rgba(0,0,0,0.15);
}

.resource-icon {
    font-size: 40px;
    text-align: center;
}

.resource-info h3 {
    font-size: 18px;
    color: #1e3c72;
    margin-bottom: 10px;
    font-weight: 600;
}

.resource-info h3 a {
    color: #1e3c72;
    text-decoration: none;
    transition: color 0.3s ease;
}

.resource-info h3 a:hover {
    color: #2a5298;
}

.resource-desc {
    font-size: 14px;
    color: #666;
    line-height: 1.6;
    flex: 1;
}

.resource-meta {
    display: flex;
    justify-content: space-between;
    font-size: 13px;
    color: #999;
    padding-top: 15px;
    border-top: 1px solid #f0f0f0;
}

.resource-downloads {
    font-size: 13px;
    color: #999;
}

/* 侧边栏 */
.resources-sidebar {
    display: flex;
    flex-direction: column;
    gap: 30px;
}

.sidebar-widget {
    background: #fff;
    padding: 30px;
    border-radius: 10px;
    box-shadow: 0 5px 15px rgba(0,0,0,0.1);
}

.sidebar-widget h3 {
    font-size: 20px;
    color: #1e3c72;
    margin-bottom: 20px;
    font-weight: 600;
    padding-bottom: 15px;
    border-bottom: 2px solid #f0f0f0;
}

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

.hot-resources-list li {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 12px 0;
    border-bottom: 1px solid #f0f0f0;
}

.hot-resources-list li:last-child {
    border-bottom: none;
}

.hot-resources-list li a {
    flex: 1;
    color: #333;
    text-decoration: none;
    font-size: 14px;
    line-height: 1.6;
    transition: color 0.3s ease;
}

.hot-resources-list li a:hover {
    color: #1e3c72;
}

/* 分页 */
.pagination {
    display: flex;
    justify-content: center;
    gap: 10px;
    margin-top: 40px;
}

.page-btn {
    width: 45px;
    height: 45px;
    border: 2px solid #1e3c72;
    background: #fff;
    color: #1e3c72;
    border-radius: 8px;
    font-size: 16px;
    cursor: pointer;
    transition: all 0.3s ease;
    font-weight: 500;
    display: flex;
    align-items: center;
    justify-content: center;
    text-decoration: none;
}

.page-btn:hover,
.page-btn.active {
    background: #1e3c72;
    color: #fff;
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(30, 60, 114, 0.3);
}

.page-btn:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

/* 响应式设计 */
@media (max-width: 992px) {
    .resources-layout {
        grid-template-columns: 1fr;
    }

    .resources-sidebar {
        display: none;
    }
}

@media (max-width: 768px) {
    .page-title {
        margin-top: 100px;
        padding: 20px;
    }

    .page-title h1 {
        font-size: 22px;
    }

    .resources-section {
        padding: 50px 0;
    }

    .category-filter {
        flex-direction: column;
    }

    .filter-btn {
        width: 100%;
    }

    .search-bar {
        flex-direction: column;
    }

    .search-bar button {
        width: 100%;
    }

    .resources-grid {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 480px) {
    .page-title h1 {
        font-size: 18px;
    }

    .breadcrumb {
        font-size: 12px;
    }
}