:root {
            --primary-color: #9c27b0;
            --secondary-color: #673ab7;
            --dark-color: #333;
            --light-color: #f8f9fa;
            --gradient: linear-gradient(135deg, var(--primary-color) 0%, var(--secondary-color) 100%);
        }
        body {
            font-family: "Microsoft YaHei", "Segoe UI", sans-serif;
            background-color: #fefefe;
            color: #333;
            overflow-x: hidden;
        }
        .navbar {
            background: var(--gradient);
            box-shadow: 0 4px 12px rgba(0,0,0,0.1);
            padding: 15px 0;
        }
        .navbar-brand {
            font-weight: 700;
            font-size: 1.8rem;
            color: white !important;
        }
        .nav-link {
            color: rgba(255,255,255,0.9) !important;
            font-weight: 500;
            margin: 0 8px;
            transition: all 0.3s ease;
            position: relative;
        }
        .nav-link:hover, .nav-link.active {
            color: white !important;
            transform: translateY(-2px);
        }
        .nav-link::after {
            content: '';
            position: absolute;
            width: 0;
            height: 2px;
            background: white;
            left: 0;
            bottom: 0;
            transition: width 0.3s ease;
        }
        .nav-link:hover::after, .nav-link.active::after {
            width: 100%;
        }
        .hero-section {
            background: var(--gradient);
            color: white;
            padding: 100px 0;
            margin-bottom: 50px;
            position: relative;
            overflow: hidden;
        }
        .hero-section::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background: url('https://images.unsplash.com/photo-1511379938547-c1f69419868d?ixlib=rb-4.0.3&auto=format&fit=crop&w=1920&q=80') no-repeat center center/cover;
            opacity: 0.15;
        }
        .hero-title {
            font-size: 3.5rem;
            font-weight: 800;
            margin-bottom: 20px;
            text-shadow: 2px 2px 8px rgba(0,0,0,0.3);
        }
        .hero-subtitle {
            font-size: 1.5rem;
            margin-bottom: 30px;
            opacity: 0.95;
        }
        .section-title {
            color: var(--secondary-color);
            font-weight: 700;
            margin-bottom: 40px;
            padding-bottom: 15px;
            position: relative;
            text-align: center;
        }
        .section-title::after {
            content: '';
            position: absolute;
            width: 80px;
            height: 4px;
            background: var(--gradient);
            bottom: 0;
            left: 50%;
            transform: translateX(-50%);
            border-radius: 2px;
        }
        .card {
            border: none;
            border-radius: 12px;
            overflow: hidden;
            box-shadow: 0 10px 20px rgba(0,0,0,0.08);
            transition: transform 0.4s ease, box-shadow 0.4s ease;
            height: 100%;
        }
        .card:hover {
            transform: translateY(-10px);
            box-shadow: 0 15px 30px rgba(0,0,0,0.15);
        }
        .card-img-top {
            height: 280px;
            object-fit: cover;
            transition: transform 0.5s ease;
        }
        .card:hover .card-img-top {
            transform: scale(1.05);
        }
        .card-title {
            color: var(--dark-color);
            font-weight: 700;
            margin-bottom: 15px;
        }
        .badge-custom {
            background: var(--gradient);
            color: white;
            padding: 6px 12px;
            border-radius: 20px;
            font-size: 0.85rem;
            font-weight: 600;
        }
        .btn-primary {
            background: var(--gradient);
            border: none;
            padding: 12px 28px;
            border-radius: 50px;
            font-weight: 600;
            transition: all 0.3s ease;
            box-shadow: 0 4px 12px rgba(156, 39, 176, 0.3);
        }
        .btn-primary:hover {
            transform: translateY(-3px);
            box-shadow: 0 8px 20px rgba(156, 39, 176, 0.4);
        }
        .video-container {
            position: relative;
            padding-bottom: 56.25%;
            height: 0;
            overflow: hidden;
            border-radius: 12px;
            box-shadow: 0 10px 25px rgba(0,0,0,0.1);
        }
        .video-container iframe {
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
        }
        .friendlink {
            background-color: #f9f9f9;
            padding: 60px 0;
            border-top: 1px solid #eee;
            border-bottom: 1px solid #eee;
        }
        .flink {
            display: inline-block;
            background: white;
            color: var(--secondary-color);
            padding: 12px 24px;
            margin: 8px;
            border-radius: 50px;
            text-decoration: none;
            font-weight: 600;
            transition: all 0.3s ease;
            box-shadow: 0 4px 10px rgba(0,0,0,0.05);
            border: 1px solid #e0e0e0;
        }
        .flink:hover {
            background: var(--gradient);
            color: white;
            transform: translateY(-3px);
            box-shadow: 0 8px 18px rgba(156, 39, 176, 0.2);
            border-color: transparent;
            text-decoration: none;
        }
        footer {
            background: var(--dark-color);
            color: white;
            padding: 60px 0 30px;
        }
        .footer-links a {
            color: #ddd;
            text-decoration: none;
            transition: color 0.3s ease;
            display: block;
            margin-bottom: 10px;
        }
        .footer-links a:hover {
            color: white;
            text-decoration: underline;
        }
        .copyright {
            border-top: 1px solid #444;
            padding-top: 20px;
            margin-top: 40px;
            color: #aaa;
            font-size: 0.9rem;
        }
        .search-box {
            max-width: 500px;
            margin: 0 auto 40px;
        }
        .search-box input {
            border-radius: 50px 0 0 50px;
            border: 2px solid var(--primary-color);
            padding: 12px 20px;
        }
        .search-box button {
            border-radius: 0 50px 50px 0;
            background: var(--gradient);
            border: 2px solid var(--primary-color);
            border-left: none;
            color: white;
            padding: 12px 25px;
        }
        .pagination .page-link {
            color: var(--primary-color);
            border: 1px solid #dee2e6;
        }
        .pagination .page-item.active .page-link {
            background: var(--gradient);
            border-color: var(--primary-color);
        }
        .stats-box {
            background: white;
            border-radius: 12px;
            padding: 30px;
            text-align: center;
            box-shadow: 0 8px 20px rgba(0,0,0,0.06);
            margin-bottom: 30px;
            transition: transform 0.3s ease;
        }
        .stats-box:hover {
            transform: translateY(-5px);
        }
        .stats-number {
            font-size: 2.5rem;
            font-weight: 800;
            background: var(--gradient);
            -webkit-background-clip: text;
            background-clip: text;
            color: transparent;
            display: block;
            margin-bottom: 10px;
        }
        .stats-text {
            color: #666;
            font-size: 1rem;
        }
        @media (max-width: 768px) {
            .hero-title {
                font-size: 2.5rem;
            }
            .hero-subtitle {
                font-size: 1.2rem;
            }
            .card-img-top {
                height: 220px;
            }
            .section-title {
                font-size: 1.8rem;
            }
        }
        .back-to-top {
            position: fixed;
            bottom: 30px;
            right: 30px;
            width: 50px;
            height: 50px;
            background: var(--gradient);
            color: white;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.2rem;
            box-shadow: 0 4px 15px rgba(0,0,0,0.2);
            z-index: 1000;
            cursor: pointer;
            opacity: 0;
            visibility: hidden;
            transition: all 0.3s ease;
        }
        .back-to-top.active {
            opacity: 1;
            visibility: visible;
        }
        .back-to-top:hover {
            transform: translateY(-5px);
            box-shadow: 0 8px 20px rgba(0,0,0,0.3);
        }