@import url('https://fonts.googleapis.com/css2?family=Noto+Sans+SC:wght@300;400;500;700&display=swap');
        body {
            font-family: 'Noto Sans SC', sans-serif;
        }
        .nav-link {
            transition: color 0.3s ease;
        }
        .nav-link:hover {
            color: #28a745 !important;
        }
        .btn-hover {
            transition: all 0.3s ease;
        }
        .btn-hover:hover {
            transform: translateY(-3px);
            box-shadow: 0 10px 20px rgba(0,0,0,0.1);
        }
        .flink {
            border: 1px solid #e9ecef;
            border-radius: 8px;
            padding: 12px 20px;
            transition: all 0.3s ease;
            display: block;
            text-decoration: none;
            color: #495057;
        }
        .flink:hover {
            border-color: #28a745;
            background-color: rgba(40, 167, 69, 0.05);
            transform: translateY(-5px);
        }
        .card-hover {
            transition: transform 0.3s ease, box-shadow 0.3s ease;
        }
        .card-hover:hover {
            transform: translateY(-10px);
            box-shadow: 0 15px 30px rgba(0,0,0,0.1);
        }
        .animate-fade-in {
            animation: fadeIn 1s ease-out;
        }
        @keyframes fadeIn {
            from { opacity: 0; transform: translateY(20px); }
            to { opacity: 1; transform: translateY(0); }
        }
        .sticky-nav {
            position: sticky;
            top: 0;
            z-index: 1020;
            backdrop-filter: blur(10px);
        }