:root {
            --primary-color: #8a2be2;
            --secondary-color: #ff6b9d;
            --dark-color: #2c043a;
            --light-color: #f8f9fa;
            --transition: all 0.3s ease;
        }
        body {
            font-family: "Microsoft YaHei", "Segoe UI", sans-serif;
            background-color: #0f0518;
            color: #e0d6eb;
            overflow-x: hidden;
        }
        .navbar {
            background: linear-gradient(135deg, var(--dark-color) 0%, #4a0a6b 100%);
            padding: 1rem 0;
            box-shadow: 0 4px 20px rgba(138, 43, 226, 0.4);
        }
        .navbar-brand {
            font-size: 1.8rem;
            font-weight: 700;
            color: white !important;
            text-shadow: 0 0 10px var(--primary-color);
        }
        .nav-link {
            color: #d0c4e8 !important;
            font-weight: 500;
            margin: 0 5px;
            padding: 8px 15px !important;
            border-radius: 20px;
            transition: var(--transition);
        }
        .nav-link:hover, .nav-link.active {
            background-color: var(--primary-color);
            color: white !important;
            transform: translateY(-2px);
        }
        .hero-section {
            background: linear-gradient(rgba(15, 5, 24, 0.85), rgba(44, 4, 58, 0.9)), url('https://images.unsplash.com/photo-1533616688419-b7a585564f70?ixlib=rb-4.0.3&auto=format&fit=crop&w=1600&q=80');
            background-size: cover;
            background-position: center;
            padding: 120px 0 80px;
            color: white;
            text-align: center;
        }
        .hero-title {
            font-size: 3.5rem;
            font-weight: 800;
            margin-bottom: 1rem;
            text-shadow: 0 0 20px var(--secondary-color);
        }
        .hero-subtitle {
            font-size: 1.3rem;
            max-width: 700px;
            margin: 0 auto 2rem;
            opacity: 0.9;
        }
        .btn-primary-custom {
            background: linear-gradient(45deg, var(--primary-color), var(--secondary-color));
            border: none;
            padding: 12px 30px;
            border-radius: 30px;
            font-weight: 600;
            color: white;
            transition: var(--transition);
            box-shadow: 0 5px 15px rgba(138, 43, 226, 0.4);
        }
        .btn-primary-custom:hover {
            transform: translateY(-3px);
            box-shadow: 0 8px 25px rgba(138, 43, 226, 0.6);
            color: white;
        }
        .section-title {
            text-align: center;
            margin-bottom: 3rem;
            position: relative;
            color: white;
        }
        .section-title h2 {
            font-size: 2.5rem;
            font-weight: 700;
            display: inline-block;
            padding-bottom: 15px;
        }
        .section-title h2:after {
            content: '';
            position: absolute;
            width: 80px;
            height: 4px;
            background: linear-gradient(to right, var(--primary-color), var(--secondary-color));
            bottom: 0;
            left: 50%;
            transform: translateX(-50%);
            border-radius: 2px;
        }
        .card-custom {
            background: rgba(44, 4, 58, 0.7);
            border: 1px solid rgba(138, 43, 226, 0.3);
            border-radius: 15px;
            overflow: hidden;
            transition: var(--transition);
            height: 100%;
        }
        .card-custom:hover {
            transform: translateY(-10px);
            box-shadow: 0 15px 30px rgba(138, 43, 226, 0.3);
            border-color: var(--primary-color);
        }
        .card-img-top {
            height: 250px;
            object-fit: cover;
            transition: var(--transition);
        }
        .card-custom:hover .card-img-top {
            transform: scale(1.05);
        }
        .card-body-custom {
            padding: 1.5rem;
        }
        .card-title {
            color: white;
            font-weight: 600;
            margin-bottom: 0.75rem;
        }
        .badge-custom {
            background: linear-gradient(45deg, #ff6b9d, #ff8e53);
            color: white;
            padding: 5px 12px;
            border-radius: 15px;
            font-size: 0.8rem;
        }
        .video-player {
            border-radius: 10px;
            overflow: hidden;
            box-shadow: 0 10px 30px rgba(0, 0, 0, 0.5);
        }
        .info-box {
            background: rgba(138, 43, 226, 0.1);
            border-left: 4px solid var(--primary-color);
            padding: 20px;
            border-radius: 0 10px 10px 0;
            margin: 20px 0;
        }
        .friendlink .flink {
            display: inline-block;
            background: rgba(255, 255, 255, 0.05);
            border: 1px solid rgba(255, 255, 255, 0.1);
            color: #d0c4e8;
            padding: 10px 20px;
            margin: 5px 10px;
            border-radius: 30px;
            text-decoration: none;
            transition: var(--transition);
        }
        .friendlink .flink:hover {
            background: var(--primary-color);
            color: white;
            border-color: var(--primary-color);
            transform: translateY(-3px);
        }
        footer {
            background: linear-gradient(135deg, #1c0b2a 0%, var(--dark-color) 100%);
            padding: 60px 0 30px;
            margin-top: 80px;
            color: #b8a9d6;
        }
        .footer-links a {
            color: #b8a9d6;
            text-decoration: none;
            transition: var(--transition);
            display: block;
            margin-bottom: 10px;
        }
        .footer-links a:hover {
            color: white;
            padding-left: 5px;
        }
        .copyright {
            border-top: 1px solid rgba(138, 43, 226, 0.3);
            padding-top: 20px;
            margin-top: 40px;
            text-align: center;
            font-size: 0.9rem;
        }
        .back-to-top {
            position: fixed;
            bottom: 30px;
            right: 30px;
            width: 50px;
            height: 50px;
            background: var(--primary-color);
            color: white;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.2rem;
            text-decoration: none;
            box-shadow: 0 5px 15px rgba(138, 43, 226, 0.5);
            z-index: 1000;
            transition: var(--transition);
        }
        .back-to-top:hover {
            background: var(--secondary-color);
            transform: translateY(-5px);
            color: white;
        }
        @media (max-width: 768px) {
            .hero-title {
                font-size: 2.5rem;
            }
            .section-title h2 {
                font-size: 2rem;
            }
            .navbar-nav {
                text-align: center;
                background: rgba(44, 4, 58, 0.95);
                border-radius: 10px;
                padding: 10px;
                margin-top: 10px;
            }
        }