:root {
            --primary-color: #a855f7;
            --primary-dark: #9333ea;
            --secondary-color: #f0abfc;
            --accent-color: #f472b6;
            --dark-color: #1a1a2e;
            --light-color: #f8f9fa;
            --gray-color: #6c757d;
        }
        body {
            font-family: 'Noto Sans SC', 'Microsoft YaHei', sans-serif;
            background-color: #0f0f1a;
            color: #e0e0e0;
            line-height: 1.6;
            overflow-x: hidden;
        }
        .hero-section {
            background: linear-gradient(135deg, rgba(26,26,46,0.9) 0%, rgba(88,28,135,0.8) 100%), url('https://images.unsplash.com/photo-1533460004989-cef01064af7e?ixlib=rb-4.0.3&auto=format&fit=crop&w=1470&q=80');
            background-size: cover;
            background-position: center;
            background-attachment: fixed;
            padding: 180px 0 120px;
            color: white;
            text-align: center;
            position: relative;
        }
        .navbar {
            background-color: rgba(26, 26, 46, 0.95) !important;
            backdrop-filter: blur(10px);
            padding: 15px 0;
            transition: all 0.3s ease;
            border-bottom: 1px solid rgba(168, 85, 247, 0.2);
        }
        .navbar-brand {
            font-size: 1.8rem;
            font-weight: 700;
            color: var(--primary-color) !important;
        }
        .nav-link {
            color: #d1d1e9 !important;
            font-weight: 500;
            margin: 0 8px;
            transition: color 0.3s;
        }
        .nav-link:hover, .nav-link.active {
            color: var(--primary-color) !important;
        }
        .btn-primary {
            background-color: var(--primary-color);
            border-color: var(--primary-color);
            padding: 10px 25px;
            font-weight: 600;
            transition: all 0.3s;
        }
        .btn-primary:hover {
            background-color: var(--primary-dark);
            border-color: var(--primary-dark);
            transform: translateY(-3px);
            box-shadow: 0 10px 20px rgba(168, 85, 247, 0.3);
        }
        .section-title {
            position: relative;
            padding-bottom: 15px;
            margin-bottom: 40px;
            text-align: center;
            color: white;
            font-weight: 700;
        }
        .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(--accent-color));
        }
        .card {
            background-color: rgba(38, 38, 58, 0.8);
            border: 1px solid rgba(168, 85, 247, 0.1);
            border-radius: 15px;
            overflow: hidden;
            transition: transform 0.4s, box-shadow 0.4s;
            height: 100%;
        }
        .card:hover {
            transform: translateY(-10px);
            box-shadow: 0 15px 30px rgba(0, 0, 0, 0.4);
            border-color: rgba(168, 85, 247, 0.3);
        }
        .card-img-top {
            height: 300px;
            object-fit: cover;
            transition: transform 0.5s;
        }
        .card:hover .card-img-top {
            transform: scale(1.05);
        }
        .card-title {
            color: white;
            font-weight: 600;
        }
        .badge {
            font-weight: 500;
            padding: 5px 10px;
        }
        .bg-purple {
            background-color: var(--primary-color) !important;
        }
        .bg-pink {
            background-color: var(--accent-color) !important;
        }
        .feature-icon {
            font-size: 2.5rem;
            color: var(--primary-color);
            margin-bottom: 20px;
        }
        .footer {
            background-color: var(--dark-color);
            color: #b0b0c0;
            padding: 60px 0 30px;
            border-top: 1px solid rgba(168, 85, 247, 0.1);
        }
        .footer a {
            color: #b0b0c0;
            text-decoration: none;
            transition: color 0.3s;
        }
        .footer a:hover {
            color: var(--primary-color);
        }
        .copyright {
            background-color: rgba(0, 0, 0, 0.3);
            padding: 20px 0;
            margin-top: 40px;
            font-size: 0.9rem;
        }
        .flink {
            display: inline-block;
            background-color: rgba(255, 255, 255, 0.05);
            padding: 8px 20px;
            border-radius: 30px;
            margin: 5px 10px 5px 0;
            border: 1px solid rgba(255, 255, 255, 0.1);
            transition: all 0.3s;
        }
        .flink:hover {
            background-color: rgba(168, 85, 247, 0.2);
            border-color: var(--primary-color);
            transform: translateY(-3px);
        }
        .friendlink a {
            color: #d1d1e9;
        }
        .video-container {
            position: relative;
            padding-bottom: 56.25%;
            height: 0;
            overflow: hidden;
            border-radius: 10px;
            margin-bottom: 20px;
        }
        .video-container iframe {
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            border: 0;
        }
        .stats-number {
            font-size: 3rem;
            font-weight: 700;
            background: linear-gradient(to right, var(--primary-color), var(--accent-color));
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            line-height: 1;
        }
        .stats-label {
            color: #b0b0c0;
            font-size: 1rem;
            text-transform: uppercase;
            letter-spacing: 1px;
        }
        @media (max-width: 768px) {
            .hero-section {
                padding: 120px 0 80px;
            }
            .display-4 {
                font-size: 2.5rem;
            }
            .stats-number {
                font-size: 2.5rem;
            }
        }