/* ===== 门户卡片网格 ===== */
.home-page .chapter-grid {
    display: grid;
    /*grid-template-columns: repeat(auto-fill, minmax(340px, 1fr));*/
    grid-template-columns: repeat(2, 1fr);
    gap: 1.8rem;
    margin: 2rem 0 4rem;
}

.chapter-card {
    background: white;
    border-radius: 16px;
    box-shadow: 0 5px 18px rgba(0,20,40,0.06);
    padding: 1.8rem 1.5rem;
    display: flex;
    gap: 1.2rem;
    text-decoration: none;
    color: inherit;
    transition: all 0.25s ease;
    position: relative;
    border: 1px solid rgba(58,107,209,0.1);
}

.chapter-card:hover {
    transform: translateY(-6px);
    box-shadow: 0 14px 28px rgba(30,60,114,0.12);
    border-color: #3a6bd1;
}

.card-badge {
    position: absolute;
    top: 1rem;
    right: 1.2rem;
    background: #eef2ff;
    color: #1e3c72;
    font-size: 0.7rem;
    padding: 0.2rem 0.8rem;
    border-radius: 20px;
    font-weight: 600;
    letter-spacing: 0.5px;
}

.card-icon {
    font-size: 2.2rem;
    color: #2a5298;
    min-width: 50px;
    text-align: center;
}

.card-content h3 {
    margin: 0 0 0.5rem;
    font-size: 1.25rem;
    color: #0a1e3c;
    font-weight: 600;
}

.card-content p {
    color: #5a6a7a;
    font-size: 0.9rem;
    line-height: 1.5;
    margin-bottom: 1rem;
}

.card-meta {
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: 0.8rem;
    color: #5f7d9c;
}

.read-more {
    color: #3a6bd1;
    font-weight: 500;
}

/* ===== 章节页面样式 ===== */
.chapter-page {
    background: #f8fafd;
}

.chapter-nav {
    background: white;
    border-bottom: 1px solid #e6ecf2;
    padding: 0.8rem 0;
    position: sticky;
    top: 0;
    z-index: 100;
}

.chapter-header {
    background: linear-gradient(145deg, #ffffff, #f5f9ff);
    padding: 2.5rem 0 1.5rem;
    border-bottom: 1px solid #dbe4ee;
}

.chapter-header h1 {
    font-size: 2rem;
    color: #0a2540;
    margin-bottom: 0.5rem;
}

.chapter-desc {
    font-size: 1.1rem;
    color: #3c5a7a;
    max-width: 800px;
}

.chapter-content {
    padding: 2.5rem 0;
}

.section-block {
    background: white;
    border-radius: 20px;
    padding: 2rem;
    margin-bottom: 2rem;
    box-shadow: 0 2px 8px rgba(0,0,0,0.02);
    border: 1px solid #edf2f9;
}

.section-block h2 {
    font-size: 1.5rem;
    color: #1e3c72;
    border-bottom: 2px solid #e9eff8;
    padding-bottom: 0.75rem;
    margin-bottom: 1.5rem;
}


/* ===== 基础样式重置 ===== */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Segoe UI', 'Microsoft YaHei', sans-serif;
    line-height: 1.6;
    color: #2c3e50;
    background: #f5f9fc;
}

.container {
    max-width: 1280px;
    margin: 0 auto;
    padding: 0 20px;
}

/* ===== 首页门户样式 ===== */
.home-header {
    background: linear-gradient(135deg, #0a3147 0%, #1e4b6e 100%);
    color: white;
    padding: 3rem 0;
    text-align: center;
    margin-bottom: 2rem;
    height: 500px;
}

.home-header h1 {
    margin-top: 4rem;
    font-size: 6rem;
    margin-bottom: 1rem;
    font-weight: 600;
}

.home-header .subtitle {
    font-size: 2rem;
    opacity: 0.9;
    margin-bottom: 1rem;
}

.header-meta {
    display: flex;
    justify-content: center;
    gap: 2rem;
    font-size: 0.95rem;
    opacity: 0.85;
}

.chapter-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(360px, 1fr));
    gap: 1.8rem;
    margin: 2rem 0 4rem;
}

.chapter-card {
    background: white;
    border-radius: 20px;
    box-shadow: 0 8px 20px rgba(0,0,0,0.02);
    padding: 1.8rem 1.5rem;
    display: flex;
    gap: 1.2rem;
    text-decoration: none;
    color: inherit;
    transition: all 0.3s cubic-bezier(0.165, 0.84, 0.44, 1);
    position: relative;
    border: 1px solid rgba(58,107,209,0.08);
}

.chapter-card:hover {
    transform: translateY(-6px);
    box-shadow: 0 20px 30px rgba(30,75,110,0.12);
    border-color: #3a6bd1;
}

.card-badge {
    position: absolute;
    top: 1.2rem;
    right: 1.5rem;
    background: #eef6ff;
    color: #1e4b6e;
    font-size: 0.7rem;
    font-weight: 600;
    padding: 0.25rem 0.8rem;
    border-radius: 30px;
    letter-spacing: 0.5px;
}

.card-icon {
    font-size: 2.2rem;
    color: #2a6f9c;
    min-width: 50px;
    text-align: center;
}

.card-content {
    flex: 1;
}

.card-content h3 {
    margin: 0 0 0.6rem;
    font-size: 1.2rem;
    color: #0a3147;
    font-weight: 600;
    padding-right: 50px;
}

.card-content p {
    color: #5f6c7a;
    font-size: 0.9rem;
    line-height: 1.5;
    margin-bottom: 1rem;
}

.card-meta {
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: 0.8rem;
    color: #4a6f8c;
}

.read-more {
    color: #2a6f9c;
    font-weight: 500;
    transition: gap 0.2s;
    display: flex;
    align-items: center;
    gap: 4px;
}

.read-more i {
    font-size: 0.7rem;
}

.chapter-card:hover .read-more {
    gap: 8px;
}

/* ===== 章节页面样式 ===== */
.chapter-page {
    background: #f8fafc;
}

.chapter-nav {
    background: white;
    border-bottom: 1px solid #e2ecf5;
    padding: 0.8rem 0;
    position: sticky;
    top: 0;
    z-index: 100;
    box-shadow: 0 2px 8px rgba(0,0,0,0.02);
}

.chapter-nav .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.back-home {
    color: #2a6f9c;
    text-decoration: none;
    font-weight: 500;
    display: flex;
    align-items: center;
    gap: 6px;
    transition: color 0.2s;
}

.back-home:hover {
    color: #0a3147;
}

.chapter-breadcrumb {
    color: #4a6f8c;
    font-size: 0.9rem;
}

.chapter-meta {
    color: #5f7d9c;
    font-size: 0.85rem;
    display: flex;
    gap: 15px;
}

.chapter-header {
    background: linear-gradient(to right, #ffffff, #f5faff);
    padding: 2.5rem 0 1.8rem;
    border-bottom: 1px solid #e2ecf5;
}

.chapter-header h1 {
    font-size: 2rem;
    color: #0a3147;
    margin-bottom: 0.8rem;
    font-weight: 600;
}

.chapter-desc {
    font-size: 1.1rem;
    color: #3a5e7a;
    max-width: 800px;
    line-height: 1.5;
}

.chapter-content {
    padding: 2.5rem 0;
}

.section-block {
    background: white;
    border-radius: 24px;
    padding: 2rem 2.2rem;
    margin-bottom: 2rem;
    box-shadow: 0 4px 12px rgba(0,0,0,0.02);
    border: 1px solid #edf2f9;
    transition: box-shadow 0.2s;
}

.section-block:hover {
    box-shadow: 0 8px 20px rgba(30,75,110,0.06);
}

.section-block h2 {
    font-size: 1.5rem;
    color: #1e4b6e;
    border-bottom: 2px solid #e9f0f7;
    padding-bottom: 0.8rem;
    margin-bottom: 1.8rem;
    display: flex;
    align-items: center;
    gap: 10px;
}

.section-block h2 i {
    color: #2a6f9c;
}

.section-block h3 {
    font-size: 1.2rem;
    color: #2c5a7a;
    margin: 1.8rem 0 1rem;
    font-weight: 500;
}

.section-block h4 {
    font-size: 1rem;
    color: #3a6b8c;
    margin: 1.5rem 0 0.8rem;
    font-weight: 600;
}

/* ===== 流程卡片 ===== */
.process-flow {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: 20px;
    margin-top: 1rem;
}

.process-card {
    background: #fafcff;
    border-radius: 16px;
    padding: 1.5rem;
    border-left: 4px solid #2a6f9c;
    transition: all 0.2s;
    position: relative;
    box-shadow: 0 2px 8px rgba(0,0,0,0.02);
}

.process-card:hover {
    background: white;
    box-shadow: 0 6px 16px rgba(42,111,156,0.08);
}

.process-step {
    position: absolute;
    top: -10px;
    left: -10px;
    width: 36px;
    height: 36px;
    background: #1e4b6e;
    color: white;
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: bold;
    font-size: 1.1rem;
    box-shadow: 0 4px 8px rgba(30,75,110,0.2);
}

.process-card h4 {
    margin-top: 0.5rem;
    margin-bottom: 0.8rem;
    color: #0a3147;
    font-size: 1.1rem;
    padding-right: 20px;
}

/* ===== 表格样式 ===== */
.table-responsive {
    overflow-x: auto;
    margin: 1.5rem 0;
    border-radius: 12px;
    border: 1px solid #e2ecf5;
}

.data-table {
    width: 100%;
    border-collapse: collapse;
    font-size: 0.9rem;
    background: white;
}

.data-table th {
    background: #e9f0f7;
    color: #1e4b6e;
    font-weight: 600;
    padding: 1rem;
    text-align: left;
    border-bottom: 2px solid #cde0ed;
}

.data-table td {
    padding: 0.8rem 1rem;
    border-bottom: 1px solid #e2ecf5;
}

.data-table tr:hover td {
    background: #f5faff;
}

/* ===== 信息卡片 ===== */
.info-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 1.5rem;
    margin: 1.5rem 0;
}

.info-card {
    background: #f5faff;
    border-radius: 16px;
    padding: 1.5rem;
    border: 1px solid #d9e6f2;
}

.info-card.highlight {
    background: linear-gradient(145deg, #e1f0fa, #f0f8ff);
    border-left: 4px solid #2a6f9c;
}

.info-card h4 {
    color: #1e4b6e;
    margin-top: 0;
    margin-bottom: 1rem;
    display: flex;
    align-items: center;
    gap: 8px;
}

.time-badge {
    display: inline-block;
    background: #1e4b6e;
    color: white;
    padding: 0.4rem 1rem;
    border-radius: 30px;
    font-size: 0.9rem;
    font-weight: 600;
    margin-top: 0.5rem;
}

/* ===== 哲言卡片 ===== */
.philosophy-card {
    background: linear-gradient(145deg, #f0f9ff, #ffffff);
    border-radius: 20px;
    padding: 2rem;
    border: 1px solid #cde0ed;
    margin: 1rem 0;
}

.philosophy-text {
    font-size: 1.1rem;
    line-height: 1.8;
    color: #1a405a;
    font-style: italic;
}

/* ===== 标签页 ===== */
.tabs {
    margin: 1.5rem 0;
}

.tab-nav {
    display: flex;
    gap: 0.5rem;
    border-bottom: 2px solid #e2ecf5;
    padding-bottom: 0.5rem;
    margin-bottom: 1.5rem;
    flex-wrap: wrap;
}

.tab-btn {
    background: none;
    border: none;
    padding: 0.6rem 1.2rem;
    cursor: pointer;
    color: #4a6f8c;
    font-size: 0.95rem;
    border-radius: 30px;
    transition: all 0.2s;
}

.tab-btn:hover {
    background: #e9f0f7;
    color: #1e4b6e;
}

.tab-btn.active {
    background: #1e4b6e;
    color: white;
}

.tab-content {
    display: none;
}

.tab-content.active {
    display: block;
}

/* ===== 列表样式 ===== */
.nested-list {
    padding-left: 1.2rem;
    list-style-type: none;
}

.nested-list li {
    margin-bottom: 0.5rem;
    position: relative;
    padding-left: 1.2rem;
}

.nested-list li:before {
    content: "•";
    color: #2a6f9c;
    font-weight: bold;
    position: absolute;
    left: 0;
}

.styled-list {
    padding-left: 1.5rem;
    margin: 1rem 0;
}

.styled-list li {
    margin-bottom: 0.6rem;
}

/* ===== 图片样式 ===== */
.image-container {
    text-align: center;
    margin: 2rem 0;
    background: #f5faff;
    padding: 1.5rem;
    border-radius: 16px;
}

.workflow-image {
    max-width: 100%;
    height: auto;
    border-radius: 12px;
    box-shadow: 0 8px 20px rgba(0,0,0,0.06);
}

figcaption {
    margin-top: 1rem;
    color: #4a6f8c;
    font-size: 0.9rem;
    font-style: italic;
}

/* ===== 页脚 ===== */
footer {
    background: #0a1f2c;
    color: white;
    padding: 2.5rem 0;
    margin-top: 2rem;
}

.footer-content {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.8rem;
    opacity: 0.85;
    font-size: 0.9rem;
}

.chapter-footer {
    background: #f5faff;
    padding: 1.5rem 0;
    border-top: 1px solid #e2ecf5;
}

.btn-back {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: white;
    color: #1e4b6e;
    padding: 0.8rem 1.8rem;
    border-radius: 40px;
    text-decoration: none;
    font-weight: 500;
    border: 1px solid #b8d1e0;
    transition: all 0.2s;
}

.btn-back:hover {
    background: #1e4b6e;
    color: white;
    border-color: #1e4b6e;
}

.copyright {
    margin-top: 1rem;
    color: #5f7d9c;
}

/* ===== 响应式设计 ===== */
@media (max-width: 768px) {
    .home-header h1 {
        font-size: 1.8rem;
    }

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

    .chapter-nav .container {
        flex-direction: column;
        gap: 0.5rem;
    }

    .chapter-header h1 {
        font-size: 1.5rem;
    }

    .section-block {
        padding: 1.5rem;
    }

    .process-flow {
        grid-template-columns: 1fr;
    }
}
/* ===== 全局样式 ===== */
        * {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }

        body {
            font-family: 'Segoe UI', 'Microsoft YaHei', sans-serif;
            background: #f5f9fc;
        }

        .container {
            max-width: 1280px;
            margin: 0 auto;
            padding: 0 20px;
        }

        /* ===== 导航栏样式 ===== */
        .nav-bar {
            background: white;
            box-shadow: 0 4px 12px rgba(0,0,0,0.02);
            position: sticky;
            top: 0;
            z-index: 1000;
            border-bottom: 1px solid rgba(58,107,209,0.1);
        }

        .nav-container {
            display: flex;
            justify-content: space-between;
            align-items: center;
            padding: 0.8rem 0;
        }

        .nav-logo {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 1.2rem;
            font-weight: 600;
            color: #0a3147;
            text-decoration: none;
        }

        .nav-logo i {
            color: #2a6f9c;
            font-size: 1.5rem;
        }

        .nav-menu {
            display: flex;
            gap: 1.5rem;
            list-style: none;
        }

        .nav-item {
            cursor: pointer;
            padding: 0.6rem 1.2rem;
            border-radius: 30px;
            font-weight: 500;
            color: #4a6f8c;
            transition: all 0.2s;
            display: flex;
            align-items: center;
            gap: 8px;
        }

        .nav-item i {
            font-size: 1rem;
        }

        .nav-item:hover {
            background: #eef6ff;
            color: #1e4b6e;
        }

        .nav-item.active {
            background: #1e4b6e;
            color: white;
        }

        /* ===== 头部样式 ===== */
        .home-header {
            background-size: cover;
            background-position: center;
            background-attachment: fixed;
            position: relative;
            padding: 3rem 0;
            color: white;
            text-shadow: 0 2px 8px rgba(0,0,0,0.3);
            margin-bottom: 2rem;
        }

        .home-header h1 {
            font-size: 5rem;
            margin-bottom: 0.5rem;
        }

        .subtitle {
            font-size: 1.2rem;
            opacity: 0.95;
            margin-bottom: 1rem;
        }

        /* ===== 内容区域切换 ===== */
        .content-section {
            display: none;
        }

        .content-section.active {
            display: block;
            animation: fadeIn 0.3s ease;
        }

        @keyframes fadeIn {
            from { opacity: 0; transform: translateY(10px); }
            to { opacity: 1; transform: translateY(0); }
        }

        /* ===== 两列网格布局 ===== */
        .chapter-grid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 2rem;
            margin: 2rem 0;
        }
        /* ===== 卡片样式 - 左侧大图 ===== */
        .chapter-card {
            display: flex;
            padding: 0;
            position: relative;
            background: white;
            border-radius: 20px;
            overflow: hidden;
            box-shadow: 0 8px 20px rgba(0,0,0,0.02);
            transition: all 0.3s ease;
            border: 1px solid rgba(58,107,209,0.1);
            height: 100%;
            min-height: 200px;
            text-decoration: none;
            color: inherit;
        }

        .chapter-card:hover {
            transform: translateY(-6px);
            box-shadow: 0 20px 30px rgba(30,75,110,0.12);
            border-color: #2a6f9c;
        }

        /* ===== 左侧封面图 - 与卡片同高 ===== */
        .card-cover-left {
            width: 200px;
            flex-shrink: 0;
            background-size: cover;
            background-position: center;
            position: relative;
            border-right: 1px solid rgba(0,0,0,0.03);
        }

        /* ===== 右侧内容区 ===== */
        .card-content {
            flex: 1;
            padding: 1.5rem 1.5rem 1.2rem 1.2rem;
            display: flex;
            flex-direction: column;
            position: relative;
        }

        /* ===== 图标悬浮在图片上方 ===== */
        .card-icon {
            position: absolute;
            top: 1.2rem;
            left: 1.2rem;
            width: 48px;
            height: 48px;
            background: rgba(255,255,255,0.95);
            border-radius: 12px;
            display: flex;
            align-items: center;
            justify-content: center;
            color: #1e4b6e;
            font-size: 1.5rem;
            box-shadow: 0 6px 12px rgba(0,0,0,0.08);
            border: 1px solid rgba(255,255,255,0.5);
            backdrop-filter: blur(4px);
            z-index: 2;
        }

        /* ===== 分类徽章 - 右上角 ===== */
        .card-badge {
            position: absolute;
            top: 1.2rem;
            right: 1.5rem;
            background: rgba(30,75,110,0.9);
            backdrop-filter: blur(4px);
            color: white;
            padding: 0.3rem 1rem;
            border-radius: 30px;
            font-size: 0.75rem;
            font-weight: 600;
            letter-spacing: 0.5px;
            border: 1px solid rgba(255,255,255,0.2);
            z-index: 2;
        }

        .card-content h3 {
            margin-top: 0.8rem;
            margin-bottom: 0.6rem;
            font-size: 1.3rem;
            color: #0a3147;
            font-weight: 600;
            padding-right: 70px;
        }

        .card-content p {
            color: #4a6f8c;
            font-size: 0.95rem;
            line-height: 1.6;
            margin-bottom: 1rem;
            flex: 1;
        }

        /* ===== 元数据区域 ===== */
        .card-meta {
            display: flex;
            justify-content: space-between;
            align-items: center;
            margin-top: 0.5rem;
            padding-top: 0.8rem;
            border-top: 1px solid #eef2f6;
            font-size: 0.85rem;
        }

        .meta-left {
            display: flex;
            align-items: center;
            gap: 1.2rem;
        }

        .upload-date {
            display: flex;
            align-items: center;
            gap: 5px;
            color: #4a6f8c;
        }

        .upload-date i {
            color: #2a6f9c;
        }

        .meta-stat {
            display: flex;
            align-items: center;
            gap: 5px;
            color: #5f7d9c;
        }

        .read-more {
            display: flex;
            align-items: center;
            gap: 5px;
            color: #2a6f9c;
            font-weight: 600;
            padding: 0.4rem 1rem;
            background: #eef6ff;
            border-radius: 30px;
            transition: all 0.2s;
        }

        .chapter-card:hover .read-more {
            background: #1e4b6e;
            color: white;
            gap: 10px;
        }

        /* ===== 汽车资讯模块样式 ===== */
        .news-section {
            margin-top: 2rem;
        }

        .section-header {
            margin-bottom: 2rem;
            text-align: center;
        }

        .section-header h2 {
            font-size: 1.8rem;
            color: #0a3147;
            margin-bottom: 0.5rem;
            display: flex;
            align-items: center;
            justify-content: center;
            gap: 10px;
        }

        .section-header h2 i {
            color: #2a6f9c;
        }

        .section-subtitle {
            color: #4a6f8c;
            font-size: 1rem;
            letter-spacing: 1px;
            display: flex;
            align-items: center;
            justify-content: center;
            gap: 1rem;
            flex-wrap: wrap;
        }

        .update-badge {
            background: #eef6ff;
            color: #1e4b6e;
            padding: 0.2rem 1rem;
            border-radius: 30px;
            font-size: 0.75rem;
            font-weight: 600;
            display: inline-flex;
            align-items: center;
            gap: 5px;
        }

        /* 缓存状态栏 */
        .cache-status {
            display: flex;
            justify-content: flex-end;
            gap: 2rem;
            margin-top: 1.5rem;
            padding-top: 1rem;
            font-size: 0.8rem;
            color: #6c8fa0;
            border-top: 1px dashed #d0e0eb;
        }

        .cache-status span {
            display: flex;
            align-items: center;
            gap: 5px;
        }

        /* ===== 页脚 ===== */
        footer {
            background: #0a1f2c;
            color: white;
            padding: 2.5rem 0;
            margin-top: 4rem;
        }

        .footer-content {
            display: flex;
            flex-direction: column;
            align-items: center;
            gap: 0.8rem;
            opacity: 0.85;
            font-size: 0.9rem;
        }

        /* ===== 响应式 ===== */
        @media (max-width: 992px) {
            .chapter-grid {
                grid-template-columns: 1fr;
                gap: 1.5rem;
            }

            .card-cover-left {
                width: 140px;
            }

            .nav-container {
                flex-direction: column;
                gap: 1rem;
            }

            .cache-status {
                flex-direction: column;
                align-items: flex-end;
                gap: 0.5rem;
            }
        }

        @media (max-width: 768px) {
            .home-header h1 {
                font-size: 2rem;
            }

            .chapter-card {
                flex-direction: column;
                min-height: auto;
            }

            .card-cover-left {
                width: 100%;
                height: 160px;
                border-right: none;
                border-bottom: 1px solid rgba(0,0,0,0.03);
            }

            .card-icon {
                top: 1rem;
                left: 1rem;
            }

            .card-content h3 {
                padding-right: 0;
            }

            .section-header h2 {
                font-size: 1.5rem;
            }

            .nav-menu {
                gap: 0.8rem;
            }

            .nav-item {
                padding: 0.4rem 1rem;
            }

            .cache-status {
                align-items: flex-start;
            }
        }

        @media (max-width: 480px) {
            .chapter-grid {
                gap: 1.2rem;
            }

            .card-content {
                padding: 1.2rem;
            }

            .meta-left {
                gap: 0.8rem;
            }

            .nav-menu {
                flex-wrap: wrap;
                justify-content: center;
            }
        }

        /* ===== 新闻资讯单列布局样式 ===== */
        .news-grid {
            display: flex;
            flex-direction: column;
            gap: 1.5rem;
            margin: 2rem 0;
        }

        /* ===== 新闻卡片样式 - 水平布局，左侧大图 ===== */
        .news-card {
            display: flex;
            padding: 0;
            position: relative;
            background: white;
            border-radius: 20px;
            overflow: hidden;
            box-shadow: 0 8px 20px rgba(0,0,0,0.02);
            transition: all 0.3s ease;
            border: 1px solid rgba(58,107,209,0.1);
            height: 200px;
            text-decoration: none;
            color: inherit;
            width: 100%;
        }

        .news-card:hover {
            transform: translateY(-4px);
            box-shadow: 0 20px 30px rgba(30,75,110,0.12);
            border-color: #2a6f9c;
        }

        /* ===== 左侧封面图 - 固定宽度，与卡片同高 ===== */
        .news-card-cover {
            width: 280px;
            flex-shrink: 0;
            background-size: cover;
            background-position: center;
            position: relative;
            border-right: 1px solid rgba(0,0,0,0.03);
        }

        /* ===== 图标悬浮在图片上方 ===== */
        .news-card-icon {
            position: absolute;
            top: 1.2rem;
            left: 1.2rem;
            width: 48px;
            height: 48px;
            background: rgba(255,255,255,0.95);
            border-radius: 12px;
            display: flex;
            align-items: center;
            justify-content: center;
            color: #1e4b6e;
            font-size: 1.5rem;
            box-shadow: 0 6px 12px rgba(0,0,0,0.08);
            border: 1px solid rgba(255,255,255,0.5);
            backdrop-filter: blur(4px);
            z-index: 2;
        }

        /* ===== 来源徽章 - 右上角 ===== */
        .news-card-badge {
            position: absolute;
            top: 1.2rem;
            right: 1.5rem;
            background: rgba(30,75,110,0.9);
            backdrop-filter: blur(4px);
            color: white;
            padding: 0.3rem 1rem;
            border-radius: 30px;
            font-size: 0.75rem;
            font-weight: 600;
            letter-spacing: 0.5px;
            border: 1px solid rgba(255,255,255,0.2);
            z-index: 2;
            max-width: 120px;
            white-space: nowrap;
            overflow: hidden;
            text-overflow: ellipsis;
        }

        /* ===== 右侧内容区 ===== */
        .news-card-content {
            flex: 1;
            padding: 1.5rem 1.8rem 1.2rem 1.5rem;
            display: flex;
            flex-direction: column;
            position: relative;
        }

        .news-card-content h3 {
            margin-top: 0.5rem;
            margin-bottom: 0.8rem;
            font-size: 1.4rem;
            color: #0a3147;
            font-weight: 600;
            padding-right: 70px;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
            text-overflow: ellipsis;
        }

        .news-card-content p {
            color: #4a6f8c;
            font-size: 1rem;
            line-height: 1.6;
            margin-bottom: 1rem;
            flex: 1;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
            text-overflow: ellipsis;
        }

        /* ===== 元数据区域 ===== */
        .news-card-meta {
            display: flex;
            justify-content: space-between;
            align-items: center;
            margin-top: 0.5rem;
            padding-top: 0.8rem;
            border-top: 1px solid #eef2f6;
            font-size: 0.9rem;
        }

        .news-card-meta .meta-left {
            display: flex;
            align-items: center;
            gap: 1.2rem;
        }

        .news-card-meta .upload-date {
            display: flex;
            align-items: center;
            gap: 5px;
            color: #4a6f8c;
        }

        .news-card-meta .upload-date i {
            color: #2a6f9c;
        }

        .news-card-meta .read-more {
            display: flex;
            align-items: center;
            gap: 5px;
            color: #2a6f9c;
            font-weight: 600;
            padding: 0.5rem 1.2rem;
            background: #eef6ff;
            border-radius: 30px;
            transition: all 0.2s;
        }

        .news-card:hover .news-card-meta .read-more {
            background: #1e4b6e;
            color: white;
            gap: 10px;
        }

        /* ===== 响应式适配 ===== */
        @media (max-width: 992px) {
            .news-card-cover {
                width: 240px;
            }

            .news-card-content h3 {
                font-size: 1.3rem;
            }
        }

        @media (max-width: 768px) {
            .news-card {
                flex-direction: column;
                height: auto;
            }

            .news-card-cover {
                width: 100%;
                height: 200px;
                border-right: none;
                border-bottom: 1px solid rgba(0,0,0,0.03);
            }

            .news-card-icon {
                top: 1rem;
                left: 1rem;
            }

            .news-card-content h3 {
                padding-right: 0;
                font-size: 1.2rem;
            }
        }

        @media (max-width: 480px) {
            .news-card-content {
                padding: 1.2rem;
            }

            .news-card-cover {
                height: 180px;
            }

            .news-card-content h3 {
                font-size: 1.1rem;
            }

            .news-card-content p {
                font-size: 0.9rem;
            }
        }