:root {
            --primary-color: #1a365d;
            --secondary-color: #e53e3e;
            --accent-color: #38b2ac;
            --light-bg: #f7fafc;
            --dark-text: #2d3748;
            --transition: all 0.3s ease;
        }
        body {
            font-family: 'Segoe UI', 'Microsoft YaHei', sans-serif;
            color: var(--dark-text);
            line-height: 1.6;
            overflow-x: hidden;
        }
        header, footer {
            background: linear-gradient(135deg, var(--primary-color) 0%, #2d3748 100%);
        }
        .navbar-brand {
            font-weight: 700;
            font-size: 1.5rem;
            color: white !important;
        }
        .nav-link {
            color: rgba(255,255,255,0.9) !important;
            font-weight: 500;
            transition: var(--transition);
        }
        .nav-link:hover {
            color: var(--secondary-color) !important;
            transform: translateY(-2px);
        }
        .hero-section {
            background: url('https://images.unsplash.com/photo-1599058917212-d750089bc07e?ixlib=rb-4.0.3&auto=format&fit=crop&w=1600&q=80') no-repeat center center/cover;
            min-height: 80vh;
            display: flex;
            align-items: center;
            position: relative;
        }
        .hero-section::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background: rgba(0, 0, 0, 0.6);
        }
        .hero-content {
            position: relative;
            z-index: 2;
            color: white;
        }
        .section-title {
            color: var(--primary-color);
            border-left: 5px solid var(--secondary-color);
            padding-left: 15px;
            margin-bottom: 2rem;
            font-weight: 700;
        }
        .card {
            border: none;
            border-radius: 10px;
            box-shadow: 0 5px 15px rgba(0,0,0,0.08);
            transition: var(--transition);
            height: 100%;
        }
        .card:hover {
            transform: translateY(-10px);
            box-shadow: 0 15px 30px rgba(0,0,0,0.15);
        }
        .card-img-top {
            border-top-left-radius: 10px;
            border-top-right-radius: 10px;
            height: 200px;
            object-fit: cover;
        }
        .btn-primary {
            background-color: var(--secondary-color);
            border: none;
            padding: 10px 25px;
            border-radius: 30px;
            font-weight: 600;
            transition: var(--transition);
        }
        .btn-primary:hover {
            background-color: #c53030;
            transform: scale(1.05);
        }
        .live-badge {
            background-color: #e53e3e;
            color: white;
            padding: 5px 15px;
            border-radius: 20px;
            font-size: 0.9rem;
            animation: pulse 2s infinite;
        }
        @keyframes pulse {
            0% { opacity: 1; }
            50% { opacity: 0.7; }
            100% { opacity: 1; }
        }
        .friendlink {
            background-color: var(--light-bg);
            padding: 3rem 0;
        }
        .flink {
            display: inline-block;
            margin: 10px 15px;
            padding: 10px 20px;
            background: white;
            border-radius: 8px;
            color: var(--primary-color);
            text-decoration: none;
            font-weight: 500;
            transition: var(--transition);
            box-shadow: 0 3px 10px rgba(0,0,0,0.05);
        }
        .flink:hover {
            color: var(--secondary-color);
            transform: translateY(-3px);
            box-shadow: 0 5px 15px rgba(0,0,0,0.1);
        }
        footer a {
            color: rgba(255,255,255,0.8);
            text-decoration: none;
            transition: var(--transition);
        }
        footer a:hover {
            color: var(--secondary-color);
            text-decoration: underline;
        }
        .contact-info i {
            color: var(--accent-color);
            margin-right: 10px;
        }
        .sticky-top {
            top: 20px;
        }
        .article-content {
            font-size: 1.1rem;
            line-height: 1.8;
        }
        .data-table {
            background: white;
            border-radius: 10px;
            overflow: hidden;
            box-shadow: 0 5px 15px rgba(0,0,0,0.05);
        }
        .table th {
            background-color: var(--primary-color);
            color: white;
            border: none;
        }
        .table-hover tbody tr:hover {
            background-color: rgba(56, 178, 172, 0.1);
        }
        @media (max-width: 768px) {
            .hero-section {
                min-height: 60vh;
            }
            .display-4 {
                font-size: 2.5rem;
            }
            .section-title {
                font-size: 1.8rem;
            }
        }