* { margin:0; padding:0; box-sizing:border-box; }
        body {
            background: linear-gradient(135deg, #f8fafc 0%, #eef2f7 100%);
            font-family: 'Segoe UI', 'Lucida Grande', 'Microsoft YaHei', '宋体', Tahoma, Helvetica, Arial, sans-serif;
            color: #1e293b;
            padding: 2rem 1rem;
        }
        .container {
            max-width: 800px;
            margin: 0 auto;
            background: white;
            border-radius: 2rem;
            box-shadow: 0 20px 35px -10px rgba(0, 0, 0, 0.1);
            overflow: hidden;
        }
        .header {
            background: linear-gradient(135deg, #eef2fa 0%, #e5ecf9 100%);
            padding: 20px 28px;
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            justify-content: space-between;
            border-bottom: 1px solid #d4deed;
        }
        .logo-area img { max-width: 140px; height: auto; }
        .nav-links a {
            color: #2c5a9e;
            text-decoration: none;
            font-weight: 500;
            background: rgba(255,255,255,0.5);
            padding: 6px 12px;
            border-radius: 30px;
        }
        .content { padding: 30px 32px 40px; }
        h1 {
            font-size: 1.8rem;
            font-weight: 700;
            color: #1a2c3e;
            margin-bottom: 0.5rem;
        }
        .tag-badge {
            display: inline-block;
            background: #f0a07c20;
            color: #c33c1e;
            padding: 0.2rem 0.8rem;
            border-radius: 2rem;
            font-size: 0.9rem;
            margin-bottom: 1.5rem;
        }
        .article-item {
            border-bottom: 1px solid #e9edf4;
            padding: 1.2rem 0;
        }
        .article-title a {
            font-size: 1.2rem;
            font-weight: 600;
            color: #3b82f6;
            text-decoration: none;
        }
        .article-title a:hover { text-decoration: underline; }
        .article-meta {
            font-size: 0.8rem;
            color: #6b7a8a;
            margin: 0.3rem 0;
        }
        .article-desc {
            font-size: 0.9rem;
            color: #475569;
            line-height: 1.4;
        }
        .back-links {
            text-align: center;
            margin-top: 2rem;
            padding-top: 1rem;
            border-top: 1px solid #e9edf4;
        }
        .back-links a {
            color: #2c5a9e;
            text-decoration: none;
            margin: 0 1rem;
        }
        .footer {
            background-color: #f8fafd;
            text-align: center;
            padding: 20px;
            font-size: 0.8rem;
            color: #6b7a8a;
            border-top: 1px solid #e9edf4;
        }
        @media (max-width: 640px) {
            .content { padding: 20px; }
            h1 { font-size: 1.5rem; }
            .article-title a { font-size: 1rem; }
        }