:root {
            --primary-color: #a855f7;
            --secondary-color: #f472b6;
            --dark-color: #1f2937;
            --light-color: #f9fafb;
        }
        body {
            font-family: 'Microsoft YaHei', 'Segoe UI', sans-serif;
            background-color: #111827;
            color: #e5e7eb;
            line-height: 1.7;
        }
        .navbar {
            background-color: rgba(17, 24, 39, 0.95);
            backdrop-filter: blur(10px);
            border-bottom: 1px solid var(--primary-color);
        }
        .hero-section {
            background: linear-gradient(rgba(17, 24, 39, 0.85), rgba(17, 24, 39, 0.95)), url('https://images.unsplash.com/photo-1511379938547-c1f69419868d?ixlib=rb-4.0.3&auto=format&fit=crop&w=2070&q=80') center/cover no-repeat;
            min-height: 85vh;
            display: flex;
            align-items: center;
        }
        .section-title {
            position: relative;
            padding-bottom: 15px;
            margin-bottom: 40px;
            text-align: center;
            color: var(--secondary-color);
        }
        .section-title::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 50%;
            transform: translateX(-50%);
            width: 80px;
            height: 3px;
            background: linear-gradient(to right, var(--primary-color), var(--secondary-color));
        }
        .card {
            background-color: #1f2937;
            border: 1px solid #374151;
            border-radius: 12px;
            overflow: hidden;
            transition: transform 0.3s ease, box-shadow 0.3s ease;
            height: 100%;
        }
        .card:hover {
            transform: translateY(-10px);
            box-shadow: 0 15px 30px rgba(168, 85, 247, 0.2);
            border-color: var(--primary-color);
        }
        .card-img-top {
            height: 300px;
            object-fit: cover;
            transition: transform 0.5s ease;
        }
        .card:hover .card-img-top {
            transform: scale(1.05);
        }
        .btn-primary {
            background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
            border: none;
            border-radius: 30px;
            padding: 10px 25px;
            font-weight: 600;
            transition: all 0.3s ease;
        }
        .btn-primary:hover {
            transform: scale(1.05);
            box-shadow: 0 5px 15px rgba(168, 85, 247, 0.4);
        }
        .video-play-btn {
            position: absolute;
            top: 50%;
            left: 50%;
            transform: translate(-50%, -50%);
            width: 70px;
            height: 70px;
            background-color: rgba(168, 85, 247, 0.8);
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 28px;
            color: white;
            transition: all 0.3s ease;
            z-index: 2;
        }
        .video-play-btn:hover {
            background-color: var(--primary-color);
            transform: translate(-50%, -50%) scale(1.1);
        }
        .flink {
            display: inline-block;
            padding: 10px 20px;
            margin: 5px;
            background-color: #374151;
            border-radius: 8px;
            color: #e5e7eb;
            text-decoration: none;
            transition: all 0.3s ease;
            border: 1px solid transparent;
        }
        .flink:hover {
            background-color: var(--primary-color);
            color: white;
            border-color: var(--secondary-color);
            transform: translateY(-3px);
        }
        .footer {
            background-color: #0f172a;
            border-top: 1px solid #374151;
        }
        .copyright {
            background-color: #030712;
            padding: 15px 0;
            font-size: 0.9rem;
        }
        .pagination .page-link {
            background-color: #1f2937;
            border-color: #374151;
            color: #e5e7eb;
        }
        .pagination .page-item.active .page-link {
            background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
            border-color: var(--primary-color);
        }
        .badge-custom {
            background: linear-gradient(135deg, #f472b6, #a855f7);
            color: white;
            font-weight: 500;
            padding: 5px 12px;
            border-radius: 20px;
        }
        .modal-content {
            background-color: #1f2937;
            border: 1px solid #374151;
            color: #e5e7eb;
        }
        .modal-header {
            border-bottom-color: #374151;
        }
        .modal-footer {
            border-top-color: #374151;
        }
        .form-control, .form-select {
            background-color: #111827;
            border-color: #374151;
            color: #e5e7eb;
        }
        .form-control:focus, .form-select:focus {
            background-color: #111827;
            border-color: var(--primary-color);
            color: #e5e7eb;
            box-shadow: 0 0 0 0.25rem rgba(168, 85, 247, 0.25);
        }
        @media (max-width: 768px) {
            .hero-section {
                min-height: 70vh;
                text-align: center;
            }
            .card-img-top {
                height: 220px;
            }
        }