:root {
            --primary-color: #0d3b66;
            --secondary-color: #f4a261;
            --accent-color: #2a9d8f;
            --light-color: #f8f9fa;
            --dark-color: #264653;
        }
        body {
            font-family: 'Segoe UI', 'Microsoft YaHei', sans-serif;
            color: #333;
            line-height: 1.8;
        }
        .navbar-brand {
            font-weight: 700;
            font-size: 1.8rem;
            color: var(--primary-color) !important;
        }
        .nav-link {
            font-weight: 500;
            transition: color 0.3s;
        }
        .nav-link:hover {
            color: var(--secondary-color) !important;
        }
        .hero-section {
            background: linear-gradient(135deg, var(--primary-color) 0%, var(--dark-color) 100%);
            color: white;
            padding: 100px 0;
            position: relative;
            overflow: hidden;
        }
        .hero-section::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
            background: url('data:image/svg+xml;utf8,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 1200 600" opacity="0.1"><path fill="white" d="M0,0L48,32C96,64,192,128,288,138.7C384,149,480,107,576,90.7C672,75,768,85,864,112C960,139,1056,181,1152,181.3C1248,181,1344,139,1392,117.3L1440,96L1440,600L1392,600C1344,600,1248,600,1152,600C1056,600,960,600,864,600C768,600,672,600,576,600C480,600,384,600,288,600C192,600,96,600,48,600L0,600Z"></path></svg>') no-repeat bottom center;
            background-size: cover;
        }
        .section-title {
            position: relative;
            padding-bottom: 20px;
            margin-bottom: 40px;
            font-weight: 700;
            color: var(--primary-color);
        }
        .section-title::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            width: 60px;
            height: 4px;
            background: var(--secondary-color);
            border-radius: 2px;
        }
        .section-title.text-center::after {
            left: 50%;
            transform: translateX(-50%);
        }
        .service-card {
            border: none;
            border-radius: 12px;
            overflow: hidden;
            box-shadow: 0 10px 30px rgba(0,0,0,0.08);
            transition: transform 0.4s, box-shadow 0.4s;
            height: 100%;
        }
        .service-card:hover {
            transform: translateY(-10px);
            box-shadow: 0 15px 40px rgba(0,0,0,0.15);
        }
        .service-icon {
            width: 70px;
            height: 70px;
            border-radius: 50%;
            background: linear-gradient(135deg, var(--primary-color), var(--accent-color));
            display: flex;
            align-items: center;
            justify-content: center;
            margin: 0 auto 25px;
            color: white;
            font-size: 28px;
        }
        .stat-box {
            background: white;
            border-radius: 12px;
            padding: 30px;
            box-shadow: 0 8px 25px rgba(0,0,0,0.08);
            text-align: center;
            transition: transform 0.3s;
        }
        .stat-box:hover {
            transform: translateY(-5px);
        }
        .stat-number {
            font-size: 3.5rem;
            font-weight: 800;
            color: var(--primary-color);
            line-height: 1;
        }
        .team-member {
            text-align: center;
            margin-bottom: 30px;
        }
        .team-img {
            width: 180px;
            height: 180px;
            border-radius: 50%;
            object-fit: cover;
            border: 5px solid white;
            box-shadow: 0 10px 20px rgba(0,0,0,0.1);
            margin-bottom: 20px;
            transition: transform 0.4s;
        }
        .team-img:hover {
            transform: scale(1.05);
        }
        .flink {
            display: inline-block;
            padding: 10px 20px;
            background: #f8f9fa;
            border-radius: 8px;
            margin: 5px 10px;
            color: var(--primary-color);
            text-decoration: none;
            transition: all 0.3s;
            border: 1px solid #dee2e6;
        }
        .flink:hover {
            background: var(--primary-color);
            color: white;
            transform: translateY(-3px);
            text-decoration: none;
        }
        footer {
            background: var(--dark-color);
            color: white;
            padding-top: 60px;
        }
        .footer-link {
            color: #ddd;
            text-decoration: none;
            transition: color 0.3s;
        }
        .footer-link:hover {
            color: var(--secondary-color);
            text-decoration: none;
        }
        .contact-info i {
            width: 24px;
            margin-right: 10px;
            color: var(--secondary-color);
        }
        .back-to-top {
            position: fixed;
            bottom: 30px;
            right: 30px;
            width: 50px;
            height: 50px;
            border-radius: 50%;
            background: var(--primary-color);
            color: white;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 20px;
            text-decoration: none;
            opacity: 0.8;
            transition: opacity 0.3s, transform 0.3s;
            z-index: 1000;
        }
        .back-to-top:hover {
            opacity: 1;
            color: white;
            transform: translateY(-5px);
        }
        .chart-container {
            background: white;
            border-radius: 12px;
            padding: 20px;
            box-shadow: 0 8px 25px rgba(0,0,0,0.08);
            margin-bottom: 30px;
        }
        .news-item {
            border-left: 4px solid var(--accent-color);
            padding-left: 20px;
            margin-bottom: 25px;
            transition: border-color 0.3s;
        }
        .news-item:hover {
            border-left-color: var(--secondary-color);
        }
        @media (max-width: 768px) {
            .hero-section {
                padding: 60px 0;
            }
            .stat-number {
                font-size: 2.5rem;
            }
            .section-title {
                font-size: 1.8rem;
            }
        }