:root {
            --primary-color: #9c27b0;
            --secondary-color: #ff4081;
            --dark-color: #121212;
            --light-color: #f8f9fa;
            --gray-color: #6c757d;
        }
        body {
            font-family: "Microsoft YaHei", "Segoe UI", sans-serif;
            background-color: #111;
            color: #eee;
            line-height: 1.8;
        }
        .navbar {
            background: rgba(20, 20, 20, 0.95);
            backdrop-filter: blur(10px);
            border-bottom: 1px solid var(--primary-color);
        }
        .hero-section {
            background: linear-gradient(rgba(0,0,0,0.7), rgba(0,0,0,0.9)), url('https://images.unsplash.com/photo-1511379938547-c1f69419868d?ixlib=rb-4.0.3&auto=format&fit=crop&w=1950&q=80') center/cover;
            padding: 180px 0 120px;
            color: white;
        }
        .section-title {
            color: var(--secondary-color);
            border-left: 5px solid var(--primary-color);
            padding-left: 15px;
            margin-bottom: 40px;
            font-weight: bold;
        }
        .card {
            background: rgba(30, 30, 30, 0.8);
            border: 1px solid #444;
            transition: transform 0.3s, box-shadow 0.3s;
            height: 100%;
        }
        .card:hover {
            transform: translateY(-10px);
            box-shadow: 0 15px 30px rgba(156, 39, 176, 0.4);
            border-color: var(--primary-color);
        }
        .card-img-top {
            height: 300px;
            object-fit: cover;
        }
        .btn-primary {
            background: linear-gradient(45deg, var(--primary-color), var(--secondary-color));
            border: none;
            padding: 12px 30px;
            border-radius: 30px;
            font-weight: bold;
        }
        .btn-primary:hover {
            background: linear-gradient(45deg, var(--secondary-color), var(--primary-color));
        }
        .badge-new {
            background-color: #ff4081;
            position: absolute;
            top: 10px;
            right: 10px;
        }
        .video-thumbnail {
            position: relative;
            overflow: hidden;
            border-radius: 10px;
        }
        .play-btn {
            position: absolute;
            top: 50%;
            left: 50%;
            transform: translate(-50%, -50%);
            background: rgba(255, 64, 129, 0.8);
            width: 70px;
            height: 70px;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 28px;
            transition: all 0.3s;
        }
        .video-thumbnail:hover .play-btn {
            background: rgba(156, 39, 176, 0.9);
            transform: translate(-50%, -50%) scale(1.1);
        }
        .friendlink a.flink {
            color: #aaa;
            background: rgba(50,50,50,0.5);
            padding: 10px 20px;
            border-radius: 5px;
            margin: 5px;
            display: inline-block;
            transition: all 0.3s;
            text-decoration: none;
        }
        .friendlink a.flink:hover {
            color: white;
            background: rgba(156, 39, 176, 0.7);
            transform: translateY(-3px);
        }
        footer {
            background: #000;
            border-top: 2px solid var(--primary-color);
            padding: 40px 0 20px;
        }
        .copyright {
            border-top: 1px solid #333;
            padding-top: 20px;
            color: #888;
        }
        .icon-box {
            width: 60px;
            height: 60px;
            background: rgba(156, 39, 176, 0.2);
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            margin: 0 auto 20px;
            font-size: 24px;
            color: var(--secondary-color);
        }
        .stats-number {
            font-size: 2.5rem;
            color: var(--secondary-color);
            font-weight: bold;
        }
        .pagination .page-link {
            background-color: #222;
            border-color: #444;
            color: #ccc;
        }
        .pagination .page-link:hover {
            background-color: var(--primary-color);
            border-color: var(--primary-color);
        }
        .form-control {
            background-color: #222;
            border-color: #444;
            color: white;
        }
        .form-control:focus {
            background-color: #333;
            border-color: var(--primary-color);
            color: white;
            box-shadow: 0 0 0 0.25rem rgba(156, 39, 176, 0.25);
        }
        @media (max-width: 768px) {
            .hero-section {
                padding: 120px 0 80px;
            }
            .display-4 {
                font-size: 2.2rem;
            }
        }
        .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: 20px;
            cursor: pointer;
            opacity: 0.8;
            z-index: 1000;
            transition: all 0.3s;
        }
        .back-to-top:hover {
            opacity: 1;
            transform: translateY(-5px);
        }