:root {
            --primary-color: #2a8c4a;
            --secondary-color: #f5a623;
            --dark-color: #1e3a29;
            --light-color: #f8f9fa;
            --text-color: #333;
            --border-radius: 8px;
        }
        body {
            font-family: 'Noto Sans SC', sans-serif;
            color: var(--text-color);
            line-height: 1.8;
        }
        .navbar-brand {
            font-weight: 700;
            color: var(--primary-color) !important;
        }
        .navbar-nav .nav-link {
            font-weight: 500;
            transition: color 0.3s;
        }
        .navbar-nav .nav-link:hover {
            color: var(--secondary-color) !important;
        }
        .hero-section {
            background: linear-gradient(rgba(30, 58, 41, 0.85), rgba(30, 58, 41, 0.9)), url('https://images.unsplash.com/photo-1500382017468-9049fed747ef?ixlib=rb-4.0.3&auto=format&fit=crop&w=1600&q=80') center/cover no-repeat;
            color: white;
            padding: 150px 0;
        }
        .hero-section h1 {
            font-size: 3.5rem;
            font-weight: 700;
            margin-bottom: 20px;
        }
        .section-title {
            color: var(--dark-color);
            font-weight: 700;
            margin-bottom: 40px;
            position: relative;
            display: inline-block;
        }
        .section-title::after {
            content: '';
            position: absolute;
            bottom: -10px;
            left: 0;
            width: 60px;
            height: 4px;
            background-color: var(--secondary-color);
        }
        .card {
            border: none;
            border-radius: var(--border-radius);
            box-shadow: 0 5px 15px rgba(0,0,0,0.05);
            transition: transform 0.3s, box-shadow 0.3s;
            height: 100%;
        }
        .card:hover {
            transform: translateY(-10px);
            box-shadow: 0 15px 30px rgba(0,0,0,0.1);
        }
        .card-img-top {
            border-radius: var(--border-radius) var(--border-radius) 0 0;
            height: 200px;
            object-fit: cover;
        }
        .btn-primary {
            background-color: var(--primary-color);
            border-color: var(--primary-color);
            padding: 10px 30px;
            font-weight: 600;
            border-radius: 30px;
            transition: background-color 0.3s, transform 0.3s;
        }
        .btn-primary:hover {
            background-color: #236b3a;
            border-color: #236b3a;
            transform: scale(1.05);
        }
        .icon-box {
            font-size: 2.5rem;
            color: var(--primary-color);
            margin-bottom: 20px;
        }
        footer {
            background-color: var(--dark-color);
            color: white;
        }
        .friendlink a.flink {
            color: var(--primary-color);
            text-decoration: none;
            padding: 8px 15px;
            border: 1px solid #ddd;
            border-radius: 5px;
            margin: 5px;
            display: inline-block;
            transition: all 0.3s;
        }
        .friendlink a.flink:hover {
            background-color: var(--primary-color);
            color: white;
            border-color: var(--primary-color);
        }
        .contact-info a {
            color: var(--light-color);
            text-decoration: none;
        }
        .contact-info a:hover {
            color: var(--secondary-color);
            text-decoration: underline;
        }
        .sticky-top {
            background-color: rgba(255,255,255,0.95);
            box-shadow: 0 2px 10px rgba(0,0,0,0.1);
        }
        @media (max-width: 768px) {
            .hero-section h1 {
                font-size: 2.5rem;
            }
            .section-title {
                font-size: 1.8rem;
            }
        }