body {
            font-family: 'Microsoft YaHei', 'Segoe UI', system-ui, -apple-system, sans-serif;
        }
        .hero-gradient {
            background: linear-gradient(135deg, #1e3c72 0%, #2a5298 100%);
        }
        .card-hover {
            transition: all 0.3s ease;
        }
        .card-hover:hover {
            transform: translateY(-8px);
            box-shadow: 0 20px 40px rgba(0, 0, 0, 0.15);
        }
        .nav-link {
            position: relative;
        }
        .nav-link::after {
            content: '';
            position: absolute;
            width: 0;
            height: 2px;
            bottom: 0;
            left: 0;
            background-color: #3b82f6;
            transition: width 0.3s ease;
        }
        .nav-link:hover::after {
            width: 100%;
        }
        .flink {
            display: inline-block;
            padding: 8px 16px;
            margin: 5px;
            background: #f8fafc;
            border-radius: 6px;
            color: #334155;
            text-decoration: none;
            border: 1px solid #e2e8f0;
            transition: all 0.3s ease;
        }
        .flink:hover {
            background: #3b82f6;
            color: white;
            border-color: #3b82f6;
        }
        .live-badge {
            animation: pulse 2s infinite;
        }
        @keyframes pulse {
            0% { opacity: 1; }
            50% { opacity: 0.6; }
            100% { opacity: 1; }
        }
        .section-title {
            position: relative;
            padding-bottom: 12px;
        }
        .section-title::after {
            content: '';
            position: absolute;
            left: 0;
            bottom: 0;
            width: 60px;
            height: 4px;
            background: #3b82f6;
        }
        .content-area p {
            margin-bottom: 1.2em;
            line-height: 1.8;
        }
        .content-area h3 {
            margin-top: 1.5em;
            margin-bottom: 0.8em;
            color: #1e293b;
        }
        .content-area ul {
            list-style-type: disc;
            padding-left: 1.5em;
            margin-bottom: 1.2em;
        }
        .content-area li {
            margin-bottom: 0.5em;
        }
        footer a:hover {
            text-decoration: underline;
        }
        @media (max-width: 768px) {
            .section-title::after {
                left: 50%;
                transform: translateX(-50%);
            }
        }