:root {
            --primary-color: #1a237e;
            --secondary-color: #0d47a1;
            --accent-color: #ff6f00;
            --light-bg: #f8f9fa;
            --dark-text: #212529;
        }
        body {
            font-family: 'Segoe UI', 'Microsoft YaHei', sans-serif;
            color: var(--dark-text);
            line-height: 1.8;
            overflow-x: hidden;
        }
        .navbar-brand {
            font-weight: 700;
            color: var(--primary-color) !important;
        }
        .hero-section {
            background: linear-gradient(rgba(26, 35, 126, 0.85), rgba(13, 71, 161, 0.9)), url('https://images.unsplash.com/photo-1531415074968-036ba1b575da?ixlib=rb-4.0.3&auto=format&fit=crop&w=2070&q=80') no-repeat center/cover;
            color: white;
            padding: 100px 0;
        }
        .section-title {
            color: var(--primary-color);
            border-left: 5px solid var(--accent-color);
            padding-left: 15px;
            margin-bottom: 30px;
            font-weight: 700;
        }
        .card {
            border: none;
            border-radius: 12px;
            box-shadow: 0 8px 20px rgba(0,0,0,0.08);
            transition: transform 0.3s ease, box-shadow 0.3s ease;
            margin-bottom: 25px;
        }
        .card:hover {
            transform: translateY(-10px);
            box-shadow: 0 15px 30px rgba(0,0,0,0.15);
        }
        .btn-primary {
            background-color: var(--primary-color);
            border-color: var(--primary-color);
            padding: 12px 28px;
            border-radius: 30px;
            font-weight: 600;
            transition: all 0.3s;
        }
        .btn-primary:hover {
            background-color: var(--secondary-color);
            border-color: var(--secondary-color);
            transform: scale(1.05);
        }
        .live-badge {
            background-color: #d32f2f;
            color: white;
            padding: 5px 15px;
            border-radius: 20px;
            font-size: 0.9rem;
            animation: pulse 1.5s infinite;
        }
        @keyframes pulse {
            0% { opacity: 1; }
            50% { opacity: 0.7; }
            100% { opacity: 1; }
        }
        .stats-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            gap: 20px;
        }
        .flink {
            display: inline-block;
            background-color: var(--light-bg);
            color: var(--primary-color);
            padding: 10px 20px;
            margin: 8px;
            border-radius: 8px;
            text-decoration: none;
            font-weight: 500;
            transition: background-color 0.3s;
        }
        .flink:hover {
            background-color: var(--primary-color);
            color: white;
            text-decoration: none;
        }
        .friendlink {
            background-color: #f1f5fd;
            padding: 40px 0;
        }
        footer {
            background-color: var(--primary-color);
            color: white;
            padding: 40px 0 20px;
        }
        .social-icon {
            font-size: 1.5rem;
            margin: 0 10px;
            color: white;
            transition: color 0.3s;
        }
        .social-icon:hover {
            color: var(--accent-color);
        }
        .img-fluid {
            border-radius: 10px;
            box-shadow: 0 5px 15px rgba(0,0,0,0.1);
        }
        .analysis-highlight {
            background: linear-gradient(120deg, #e3f2fd 0%, #fce4ec 100%);
            border-radius: 12px;
            padding: 25px;
            margin: 20px 0;
        }
        @media (max-width: 768px) {
            .hero-section { padding: 60px 0; }
            .display-4 { font-size: 2.2rem; }
        }