  /* 主色调和变量 */
    :root {
        --primary-color: #3b71ca;
        --secondary-color: #000000;
        --accent-color: #ffa900;
        --dark-color: #14213d;
        --light-color: #f8f9fa;
        --text-color: #333333;
        --body-bg: #f8f9fa;
    }

    body {
        background-color: var(--body-bg);
        color: var(--text-color);
    }

    /* 英雄区域样式 */
    .news-hero-section {
        background: linear-gradient(135deg, var(--primary-color) 0%, #1e4db7 100%);
        padding: 4rem 0;
        position: relative;
        overflow: hidden;
        border-radius: 0 0 20px 20px;
        margin-bottom: 3rem;
    }

    .news-hero-section::before {
        content: '';
        position: absolute;
        top: 0;
        left: 0;
        width: 100%;
        height: 100%;
        background-image: url('data:image/svg+xml;base64,PHN2ZyB3aWR0aD0iMTAwJSIgaGVpZ2h0PSIxMDAlIiB2aWV3Qm94PSIwIDAgMTIwMCA4MDAiIHhtbG5zPSJodHRwOi8vd3d3LnczLm9yZy8yMDAwL3N2ZyI+PGRlZnM+PHBhdHRlcm4gaWQ9ImRvdHMiIHdpZHRoPSIyMCIgaGVpZ2h0PSIyMCIgcGF0dGVyblVuaXRzPSJ1c2VyU3BhY2VPblVzZSI+PGNpcmNsZSBmaWxsPSJyZ2JhKDI1NSwyNTUsMjU1LDAuMikiIGN4PSIzIiBjeT0iMyIgcj0iMyIvPjwvcGF0dGVybj48L2RlZnM+PHJlY3QgZmlsbD0idXJsKCNkb3RzKSIgd2lkdGg9IjEwMCUiIGhlaWdodD0iMTAwJSIvPjwvc3ZnPg==');
        opacity: 0.2;
    }

    .hero-title {
        font-size: 3rem;
        font-weight: 700;
        margin-bottom: 1rem;
        position: relative;
    }

    .hero-subtitle {
        font-size: 1.2rem;
        max-width: 700px;
        margin: 0 auto;
        position: relative;
    }

    /* 搜索栏样式 */
    .search-bar {
        position: relative;
        max-width: 600px;
        margin: -1.5rem auto 3rem;
        z-index: 10;
    }

    .search-bar .form-control {
        border-radius: 50px;
        padding: 0.75rem 1.5rem;
        box-shadow: 0 5px 15px rgba(0,0,0,0.08);
        border: none;
        font-size: 1.1rem;
        background-color: white;
        padding-right: 50px;
    }

    .search-bar::after {
        content: '\F52A';
        font-family: "bootstrap-icons";
        position: absolute;
        right: 20px;
        top: 50%;
        transform: translateY(-50%);
        color: var(--primary-color);
        font-size: 1.2rem;
    }

    /* 新闻卡片样式 */
    .news-grid {
        display: grid;
        grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
        gap: 2rem;
    }

    .news-card {
        background-color: white;
        border-radius: 15px;
        overflow: hidden;
        box-shadow: 0 5px 15px rgba(0,0,0,0.05);
        transition: all 0.3s ease;
        height: 100%;
        display: flex;
        flex-direction: column;
        position: relative;
    }

    .news-card:hover {
        transform: translateY(-10px);
        box-shadow: 0 15px 30px rgba(0,0,0,0.1);
    }

    .news-card-image {
        position: relative;
        overflow: hidden;
    }

    .image-container {
        background-color: #f0f0f0;
    }

    .news-card-image img {
        transition: transform 0.5s ease;
    }

    .news-card:hover .news-card-image img {
        transform: scale(1.05);
    }

    .news-card-content {
        padding: 1.5rem;
        flex-grow: 1;
        display: flex;
        flex-direction: column;
    }

    .news-card-title {
        font-size: 1.3rem;
        font-weight: 600;
        margin-bottom: 0.75rem;
        line-height: 1.4;
    }

    .news-card-title a {
        color: var(--dark-color);
        text-decoration: none;
        transition: color 0.3s ease;
    }

    .news-card-title a:hover {
        color: var(--primary-color);
    }

    .news-card-meta {
        font-size: 0.85rem;
        color: var(--secondary-color);
        margin-bottom: 0.75rem;
        display: flex;
        align-items: center;
    }

    .news-card-meta::before {
        content: '\F4CE';
        font-family: "bootstrap-icons";
        margin-right: 0.5rem;
        color: var(--primary-color);
    }

    .news-card-excerpt {
        font-size: 0.95rem;
        color: var(--text-color);
        margin-bottom: 1.5rem;
        line-height: 1.6;
        flex-grow: 1;
    }

    .news-card-excerpt a {
        color: inherit;
        text-decoration: none;
    }

    .news-btn {
        padding: 0 1.5rem 1.5rem;
    }

    .news-card-read-more {
        display: inline-block;
        font-weight: 500;
        transition: all 0.3s ease;
        box-shadow: 0 4px 10px rgba(59, 113, 202, 0.3);
    }

    .news-card-read-more:hover {
        transform: translateY(-3px);
        box-shadow: 0 6px 15px rgba(59, 113, 202, 0.4);
    }

    .news-card-link {
        text-decoration: none;
    }

    /* 分页样式 */
    .pagination-wrapper {
        display: flex;
        justify-content: center;
        margin-top: 3rem;
    }

    .pagination {
        box-shadow: 0 3px 10px rgba(0,0,0,0.05);
        border-radius: 50px;
        overflow: hidden;
        background-color: white;
    }

    .page-item:first-child .page-link {
        border-top-left-radius: 50px;
        border-bottom-left-radius: 50px;
    }

    .page-item:last-child .page-link {
        border-top-right-radius: 50px;
        border-bottom-right-radius: 50px;
    }

    .page-link {
        color: var(--primary-color);
        border: none;
        padding: 0.75rem 1.25rem;
    }

    .page-item.active .page-link {
        background-color: var(--primary-color);
        border-color: var(--primary-color);
    }

    /* 响应式调整 */
    @media (max-width: 768px) {
        .news-hero-section {
            padding: 3rem 0;
        }

        .hero-title {
            font-size: 2.2rem;
        }

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