        :root {
            --primary-color: #0056b3;
            --secondary-color: #28a745;
            --accent-color: #ffc107;
            --dark-color: #343a40;
            --light-color: #f8f9fa;
        }
        body {
            font-family: 'Segoe UI', 'Microsoft YaHei', sans-serif;
            color: #333;
            background-color: #fff;
            line-height: 1.6;
        }
        a {
            color: var(--primary-color);
            text-decoration: none;
            transition: color 0.3s ease;
        }
        a:hover {
            color: var(--secondary-color);
        }
        .container {
            max-width: 1200px;
        }
        .navbar-brand {
            font-weight: 700;
            font-size: 1.5rem;
            color: var(--primary-color) !important;
        }
        .navbar-nav .nav-link {
            font-weight: 500;
            padding: 0.5rem 1rem;
        }
        .navbar-nav .nav-link:hover, .navbar-nav .nav-link.active {
            color: var(--secondary-color) !important;
        }
        .hero-section {
            background: linear-gradient(135deg, var(--primary-color), #003d82);
            color: white;
            padding: 5rem 0;
            text-align: center;
            margin-bottom: 3rem;
        }
        .hero-section h1 {
            font-size: 3rem;
            font-weight: 800;
            margin-bottom: 1rem;
        }
        .hero-section p {
            font-size: 1.2rem;
            max-width: 800px;
            margin: 0 auto 2rem;
        }
        section {
            padding: 4rem 0;
        }
        section:nth-child(even) {
            background-color: var(--light-color);
        }
        .section-title {
            text-align: center;
            font-size: 2.5rem;
            font-weight: 700;
            margin-bottom: 2rem;
            color: var(--dark-color);
            position: relative;
        }
        .section-title::after {
            content: '';
            display: block;
            width: 80px;
            height: 4px;
            background-color: var(--accent-color);
            margin: 0.5rem auto;
            border-radius: 2px;
        }
        .card {
            border: none;
            border-radius: 12px;
            box-shadow: 0 6px 15px rgba(0,0,0,0.08);
            transition: transform 0.3s ease, box-shadow 0.3s ease;
            margin-bottom: 2rem;
            height: 100%;
        }
        .card:hover {
            transform: translateY(-10px);
            box-shadow: 0 12px 25px rgba(0,0,0,0.15);
        }
        .card-img-top {
            border-radius: 12px 12px 0 0;
            height: 200px;
            object-fit: cover;
        }
        .card-body {
            padding: 1.5rem;
        }
        .card-title {
            font-weight: 700;
            color: var(--primary-color);
            margin-bottom: 1rem;
        }
        .table-responsive {
            border-radius: 12px;
            overflow: hidden;
            box-shadow: 0 4px 12px rgba(0,0,0,0.05);
        }
        .table thead th {
            background-color: var(--primary-color);
            color: white;
            border: none;
            padding: 1rem;
        }
        .table tbody tr:nth-child(even) {
            background-color: #f2f6ff;
        }
        .table tbody tr:hover {
            background-color: #e9f7ef;
        }
        .friendlink {
            background-color: var(--dark-color);
            color: white;
            padding: 3rem 0;
        }
        .friendlink .section-title {
            color: white;
        }
        .friendlink .section-title::after {
            background-color: var(--accent-color);
        }
        .flink {
            display: inline-block;
            background: rgba(255,255,255,0.1);
            color: white;
            padding: 0.75rem 1.5rem;
            margin: 0.5rem;
            border-radius: 50px;
            transition: all 0.3s ease;
            text-decoration: none;
            font-weight: 500;
        }
        .flink:hover {
            background: var(--accent-color);
            color: var(--dark-color);
            transform: scale(1.05);
        }
        footer {
            background-color: var(--dark-color);
            color: white;
            padding: 3rem 0 1.5rem;
        }
        footer a {
            color: #ccc;
        }
        footer a:hover {
            color: var(--accent-color);
        }
        .social-icons a {
            display: inline-block;
            width: 40px;
            height: 40px;
            background: rgba(255,255,255,0.1);
            border-radius: 50%;
            text-align: center;
            line-height: 40px;
            margin: 0 0.5rem;
            transition: all 0.3s ease;
        }
        .social-icons a:hover {
            background: var(--accent-color);
            color: var(--dark-color);
        }
        @media (max-width: 768px) {
            .hero-section h1 {
                font-size: 2.2rem;
            }
            .hero-section p {
                font-size: 1rem;
            }
            .section-title {
                font-size: 2rem;
            }
            .card-img-top {
                height: 180px;
            }
        }
        .btn-custom {
            background-color: var(--secondary-color);
            color: white;
            padding: 0.75rem 2rem;
            border-radius: 50px;
            border: none;
            font-weight: 600;
            transition: all 0.3s ease;
        }
        .btn-custom:hover {
            background-color: #218838;
            transform: translateY(-3px);
            box-shadow: 0 5px 15px rgba(0,0,0,0.2);
        }
        .live-badge {
            display: inline-block;
            background: #dc3545;
            color: white;
            padding: 0.25rem 0.75rem;
            border-radius: 20px;
            font-size: 0.875rem;
            animation: pulse 1.5s infinite;
        }
        @keyframes pulse {
            0% { opacity: 1; }
            50% { opacity: 0.7; }
            100% { opacity: 1; }
        }
