* { margin: 0; padding: 0; box-sizing: border-box; }
        body {
            font-family: 'PingFang SC', 'Microsoft YaHei', 'Helvetica Neue', Arial, sans-serif;
            background: #F5F7FA;
            color: #1e2a3a;
            line-height: 1.6;
        }
        a { text-decoration: none; color: inherit; }

        /* ---- 文章主体 ---- */
        .article-card {
            background: #ffffff;
            border-radius: 16px;
            padding: 32px 36px;
            margin-bottom: 28px;
            box-shadow: 0 2px 12px rgba(0,0,0,0.04);
            border: 1px solid #edf0f5;
        }
        .article-breadcrumb {
            font-size: 13px;
            color: #8a9aa8;
            margin-bottom: 18px;
            display: flex;
            align-items: center;
            gap: 6px;
        }
        .article-breadcrumb a { color: #08C7A3; }
        .article-breadcrumb a:hover { text-decoration: underline; }
        .article-meta {
            display: flex;
            align-items: center;
            gap: 16px;
            font-size: 13px;
            color: #8a9aa8;
            margin-bottom: 16px;
            flex-wrap: wrap;
        }
        .article-meta .tag {
            background: #E6F9F4;
            color: #08C7A3;
            padding: 2px 12px;
            border-radius: 10px;
            font-weight: 500;
            font-size: 12px;
        }
        .article-card h1 {
            font-size: 26px;
            font-weight: 700;
            color: #1e2a3a;
            line-height: 1.5;
            margin-bottom: 20px;
        }
        .article-card .article-body {
            font-size: 16px;
            line-height: 1.9;
            color: #2c3e50;
        }
        .article-card .article-body img {
            max-width: 100%;
            height: auto;
            border-radius: 8px;
            margin: 12px 0;
        }
        .article-card .article-body p {
            margin-bottom: 14px;
        }
        .article-card .article-body h2,
        .article-card .article-body h3 {
            margin: 24px 0 12px;
            font-weight: 600;
        }

        /* ---- 推荐专家 ---- */
        .expert-section {
            background: #ffffff;
            border-radius: 16px;
            padding: 24px 28px 28px;
            margin-bottom: 28px;
            box-shadow: 0 2px 12px rgba(0,0,0,0.04);
            border: 1px solid #edf0f5;
        }
        .section-header {
            display: flex;
            justify-content: space-between;
            align-items: center;
            margin-bottom: 18px;
        }
        .section-header h2 {
            font-size: 22px;
            font-weight: 700;
            color: #1e2a3a;
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .section-header h2 i { color: #08C7A3; font-size: 20px; }
        .expert-grid {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
            gap: 18px;
        }
        .expert-card {
            background: #f8fafc;
            border-radius: 14px;
            padding: 18px 18px 16px;
            border: 1px solid #edf0f5;
            transition: all 0.25s;
            cursor: pointer;
            display: flex;
            flex-direction: column;
            gap: 6px;
        }
        .expert-card:hover {
            box-shadow: 0 6px 20px rgba(8,199,163,0.08);
            border-color: #d0e8e0;
            transform: translateY(-2px);
        }
        .expert-card .expert-top {
            display: flex;
            align-items: center;
            gap: 12px;
        }
        .expert-card .expert-avatar {
            width: 50px; height: 50px;
            border-radius: 50%;
            background: linear-gradient(135deg, #E6F9F4, #b8e6db);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 22px;
            font-weight: 600;
            color: #08C7A3;
            flex-shrink: 0;
            overflow: hidden;
        }
        .expert-card .expert-avatar img {
            width: 100%; height: 100%;
            object-fit: cover;
        }
        .expert-card .expert-name {
            font-size: 16px;
            font-weight: 600;
            color: #1e2a3a;
        }
        .expert-card .expert-dept {
            font-size: 13px;
            color: #5a6a7e;
        }
        .expert-card .expert-skill {
            font-size: 13px;
            color: #6a7a8e;
            line-height: 1.6;
            margin-top: 2px;
            overflow: hidden;
            text-overflow: ellipsis;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
        }
        .expert-card .expert-btn {
            margin-top: 8px;
            align-self: flex-start;
            background: #08C7A3;
            color: #fff;
            border: none;
            padding: 5px 18px;
            border-radius: 20px;
            font-size: 13px;
            font-weight: 500;
            cursor: pointer;
            transition: background 0.2s;
        }
        .expert-card .expert-btn:hover { background: #06a88a; }

        @media (max-width: 768px) {
            .article-card { padding: 20px 18px; }
            .article-card h1 { font-size: 20px; }
            .article-card .article-body { font-size: 15px; }
            .expert-section { padding: 18px 16px 20px; }
            .expert-grid { grid-template-columns: 1fr; }
        }