:root {
            --primary-color: #2a6e3f;
            --secondary-color: #4c956c;
            --accent-color: #f4a261;
            --light-color: #f8f9fa;
            --dark-color: #2d3e50;
            --text-color: #333;
        }
        body {
            font-family: 'Microsoft YaHei', 'Segoe UI', sans-serif;
            color: var(--text-color);
            line-height: 1.6;
            overflow-x: hidden;
        }
        .hero-section {
            background: linear-gradient(rgba(42, 110, 63, 0.85), rgba(42, 110, 63, 0.9)), url('https://images.unsplash.com/photo-1621451537084-482c73073a0f?ixlib=rb-4.0.3&auto=format&fit=crop&w=1600&q=80') center/cover no-repeat;
            color: white;
            padding: 180px 0 120px;
            position: relative;
        }
        .navbar {
            background-color: rgba(255, 255, 255, 0.95) !important;
            box-shadow: 0 4px 12px rgba(0, 0, 0, 0.08);
            transition: all 0.3s ease;
            padding-top: 0.8rem;
            padding-bottom: 0.8rem;
        }
        .navbar-brand {
            font-weight: 700;
            color: var(--primary-color) !important;
            font-size: 1.8rem;
        }
        .nav-link {
            font-weight: 500;
            color: var(--dark-color) !important;
            margin: 0 8px;
            position: relative;
        }
        .nav-link:hover, .nav-link.active {
            color: var(--primary-color) !important;
        }
        .nav-link::after {
            content: '';
            position: absolute;
            width: 0;
            height: 2px;
            background: var(--primary-color);
            left: 50%;
            bottom: 0;
            transition: all 0.3s ease;
        }
        .nav-link:hover::after, .nav-link.active::after {
            width: 80%;
            left: 10%;
        }
        .section-title {
            position: relative;
            margin-bottom: 3rem;
            text-align: center;
            color: var(--primary-color);
            font-weight: 700;
        }
        .section-title::after {
            content: '';
            position: absolute;
            width: 80px;
            height: 4px;
            background-color: var(--accent-color);
            bottom: -12px;
            left: 50%;
            transform: translateX(-50%);
            border-radius: 2px;
        }
        .card-hover {
            transition: transform 0.3s ease, box-shadow 0.3s ease;
            border: none;
            border-radius: 12px;
            overflow: hidden;
            box-shadow: 0 6px 15px rgba(0, 0, 0, 0.08);
            height: 100%;
        }
        .card-hover:hover {
            transform: translateY(-10px);
            box-shadow: 0 15px 30px rgba(0, 0, 0, 0.15);
        }
        .icon-box {
            width: 70px;
            height: 70px;
            background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            margin: 0 auto 1.5rem;
            color: white;
            font-size: 1.8rem;
        }
        .btn-primary-custom {
            background: linear-gradient(to right, var(--primary-color), var(--secondary-color));
            border: none;
            color: white;
            padding: 12px 28px;
            border-radius: 50px;
            font-weight: 600;
            transition: all 0.3s ease;
            box-shadow: 0 4px 15px rgba(42, 110, 63, 0.3);
        }
        .btn-primary-custom:hover {
            transform: translateY(-3px);
            box-shadow: 0 8px 20px rgba(42, 110, 63, 0.4);
            color: white;
        }
        .process-step {
            position: relative;
            text-align: center;
            padding: 20px;
        }
        .process-step .step-number {
            width: 50px;
            height: 50px;
            background-color: var(--primary-color);
            color: white;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: bold;
            font-size: 1.3rem;
            margin: 0 auto 15px;
        }
        .stats-box {
            background: linear-gradient(135deg, var(--primary-color), #3a8b5c);
            color: white;
            padding: 40px 20px;
            border-radius: 12px;
            text-align: center;
            box-shadow: 0 10px 20px rgba(0, 0, 0, 0.1);
        }
        .stats-box i {
            font-size: 2.5rem;
            margin-bottom: 15px;
        }
        .stats-box .counter {
            font-size: 2.8rem;
            font-weight: 700;
            margin: 10px 0;
        }
        footer {
            background-color: var(--dark-color);
            color: #ccc;
            padding-top: 60px;
        }
        .footer-links a {
            color: #bbb;
            text-decoration: none;
            display: block;
            margin-bottom: 10px;
            transition: color 0.3s ease;
        }
        .footer-links a:hover {
            color: white;
            padding-left: 5px;
        }
        .social-icons a {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 40px;
            height: 40px;
            background-color: rgba(255, 255, 255, 0.1);
            border-radius: 50%;
            color: white;
            margin-right: 10px;
            transition: all 0.3s ease;
        }
        .social-icons a:hover {
            background-color: var(--primary-color);
            transform: translateY(-3px);
        }
        .copyright {
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            padding: 20px 0;
            margin-top: 40px;
            font-size: 0.9rem;
            color: #aaa;
        }
        .friendlink-section {
            background-color: #f8f9fa;
            padding: 40px 0;
            border-top: 1px solid #eee;
            border-bottom: 1px solid #eee;
        }
        .flink {
            display: inline-block;
            padding: 8px 20px;
            margin: 5px 10px;
            background-color: white;
            border-radius: 30px;
            color: var(--dark-color);
            text-decoration: none;
            border: 1px solid #ddd;
            transition: all 0.3s ease;
            font-size: 0.9rem;
        }
        .flink:hover {
            background-color: var(--primary-color);
            color: white;
            border-color: var(--primary-color);
            transform: translateY(-2px);
        }
        .news-card {
            border-left: 4px solid var(--primary-color);
            transition: all 0.3s ease;
        }
        .news-card:hover {
            border-left-color: var(--accent-color);
            box-shadow: 0 5px 15px rgba(0, 0, 0, 0.05);
        }
        .carousel-item img {
            height: 600px;
            object-fit: cover;
        }
        .carousel-caption {
            background: rgba(0, 0, 0, 0.6);
            padding: 30px;
            border-radius: 10px;
            bottom: 20%;
            text-align: left;
            max-width: 700px;
            margin: 0 auto;
            left: 10%;
            right: 10%;
        }
        @media (max-width: 992px) {
            .hero-section {
                padding: 150px 0 80px;
            }
            .carousel-item img {
                height: 400px;
            }
            .carousel-caption {
                bottom: 10%;
                padding: 20px;
            }
        }
        @media (max-width: 768px) {
            .hero-section {
                padding: 120px 0 60px;
            }
            .section-title {
                font-size: 1.8rem;
            }
            .stats-box .counter {
                font-size: 2.2rem;
            }
            .carousel-item img {
                height: 300px;
            }
            .carousel-caption h2 {
                font-size: 1.5rem;
            }
        }
        .back-to-top {
            position: fixed;
            bottom: 30px;
            right: 30px;
            width: 50px;
            height: 50px;
            background-color: var(--primary-color);
            color: white;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.2rem;
            cursor: pointer;
            z-index: 1000;
            opacity: 0;
            visibility: hidden;
            transition: all 0.3s ease;
            box-shadow: 0 4px 10px rgba(0, 0, 0, 0.2);
        }
        .back-to-top.active {
            opacity: 1;
            visibility: visible;
        }
        .back-to-top:hover {
            background-color: var(--secondary-color);
            transform: translateY(-3px);
        }