:root {
            --primary-color: #8a2be2;
            --secondary-color: #ff6b6b;
            --dark-color: #1a1a2e;
            --light-color: #f8f9fa;
            --text-color: #333;
            --transition: all 0.3s ease;
        }
        body {
            font-family: 'Noto Sans SC', sans-serif;
            color: var(--text-color);
            background-color: var(--light-color);
            line-height: 1.6;
        }
        header {
            background: linear-gradient(135deg, var(--dark-color), var(--primary-color));
            color: white;
            padding: 1rem 0;
            box-shadow: 0 4px 12px rgba(0,0,0,0.1);
        }
        .navbar-brand {
            font-size: 1.8rem;
            font-weight: bold;
            color: white !important;
        }
        .nav-link {
            color: rgba(255,255,255,0.9) !important;
            font-weight: 500;
            margin: 0 0.5rem;
            transition: var(--transition);
        }
        .nav-link:hover, .nav-link.active {
            color: var(--secondary-color) !important;
            transform: translateY(-2px);
        }
        .hero-section {
            background: url('https://images.unsplash.com/photo-1519681393784-d120267933ba?ixlib=rb-4.0.3&auto=format&fit=crop&w=1950&q=80') no-repeat center center/cover;
            color: white;
            padding: 8rem 0;
            text-align: center;
            position: relative;
            overflow: hidden;
        }
        .hero-section::before {
            content: '';
            position: absolute;
            top: 0; left: 0;
            width: 100%; height: 100%;
            background: rgba(0,0,0,0.6);
            z-index: 1;
        }
        .hero-content {
            position: relative;
            z-index: 2;
        }
        .hero-title {
            font-size: 3.5rem;
            font-weight: 700;
            margin-bottom: 1rem;
            text-shadow: 2px 2px 8px rgba(0,0,0,0.7);
        }
        .hero-subtitle {
            font-size: 1.5rem;
            margin-bottom: 2rem;
            opacity: 0.9;
        }
        .btn-primary-custom {
            background: var(--secondary-color);
            border: none;
            padding: 0.75rem 2rem;
            font-size: 1.1rem;
            border-radius: 50px;
            transition: var(--transition);
            color: white;
            text-decoration: none;
            display: inline-block;
        }
        .btn-primary-custom:hover {
            background: #ff5252;
            transform: scale(1.05);
            color: white;
        }
        section {
            padding: 5rem 0;
        }
        .section-title {
            text-align: center;
            font-size: 2.5rem;
            margin-bottom: 3rem;
            color: var(--dark-color);
            position: relative;
        }
        .section-title::after {
            content: '';
            display: block;
            width: 80px;
            height: 4px;
            background: var(--primary-color);
            margin: 0.5rem auto;
            border-radius: 2px;
        }
        .card-custom {
            border: none;
            border-radius: 15px;
            overflow: hidden;
            box-shadow: 0 10px 30px rgba(0,0,0,0.08);
            transition: var(--transition);
            height: 100%;
            background: white;
        }
        .card-custom:hover {
            transform: translateY(-10px);
            box-shadow: 0 15px 40px rgba(0,0,0,0.15);
        }
        .card-img-top {
            height: 250px;
            object-fit: cover;
            transition: var(--transition);
        }
        .card-custom:hover .card-img-top {
            transform: scale(1.05);
        }
        .card-body {
            padding: 1.5rem;
        }
        .card-title {
            font-size: 1.4rem;
            color: var(--dark-color);
            margin-bottom: 1rem;
        }
        .card-text {
            color: #666;
            font-size: 0.95rem;
        }
        .btn-outline-custom {
            border: 2px solid var(--primary-color);
            color: var(--primary-color);
            padding: 0.5rem 1.5rem;
            border-radius: 50px;
            transition: var(--transition);
            text-decoration: none;
            display: inline-block;
        }
        .btn-outline-custom:hover {
            background: var(--primary-color);
            color: white;
        }
        .video-grid {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
            gap: 2rem;
        }
        .video-item {
            background: white;
            border-radius: 10px;
            overflow: hidden;
            box-shadow: 0 5px 15px rgba(0,0,0,0.05);
            transition: var(--transition);
        }
        .video-item:hover {
            box-shadow: 0 10px 25px rgba(0,0,0,0.1);
        }
        .video-thumb {
            width: 100%;
            height: 180px;
            object-fit: cover;
        }
        .video-info {
            padding: 1rem;
        }
        .badge-custom {
            background: var(--secondary-color);
            color: white;
            padding: 0.25rem 0.75rem;
            border-radius: 20px;
            font-size: 0.8rem;
            margin-right: 0.5rem;
        }
        .friendlink {
            background: var(--dark-color);
            color: white;
            padding: 3rem 0;
        }
        .friendlink .section-title {
            color: white;
        }
        .flink {
            display: inline-block;
            background: rgba(255,255,255,0.1);
            color: white;
            padding: 0.75rem 1.5rem;
            margin: 0.5rem;
            border-radius: 30px;
            text-decoration: none;
            transition: var(--transition);
            border: 1px solid transparent;
        }
        .flink:hover {
            background: var(--primary-color);
            color: white;
            border-color: white;
            transform: translateY(-3px);
        }
        footer {
            background: #111;
            color: #aaa;
            padding: 3rem 0 1.5rem;
        }
        .footer-links a {
            color: #ccc;
            text-decoration: none;
            margin: 0 1rem;
            transition: var(--transition);
        }
        .footer-links a:hover {
            color: var(--secondary-color);
        }
        .copyright {
            margin-top: 2rem;
            padding-top: 1.5rem;
            border-top: 1px solid #333;
            font-size: 0.9rem;
        }
        .img-fluid-custom {
            border-radius: 10px;
            box-shadow: 0 10px 20px rgba(0,0,0,0.1);
        }
        .content-text {
            font-size: 1.1rem;
            line-height: 1.8;
            margin-bottom: 2rem;
            text-align: justify;
        }
        .highlight {
            color: var(--primary-color);
            font-weight: bold;
        }
        @media (max-width: 768px) {
            .hero-title {
                font-size: 2.5rem;
            }
            .hero-subtitle {
                font-size: 1.2rem;
            }
            .section-title {
                font-size: 2rem;
            }
            .video-grid {
                grid-template-columns: 1fr;
            }
        }