:root {
            --primary: #1a365d;
            --secondary: #e63946;
            --accent: #2a9d8f;
            --light: #f8f9fa;
            --dark: #212529;
            --gradient: linear-gradient(135deg, #1a365d 0%, #2a5f9e 100%);
        }
        body {
            font-family: 'Noto Sans SC', 'Microsoft YaHei', sans-serif;
            color: #333;
            line-height: 1.6;
        }
        .navbar-brand {
            font-weight: 700;
            font-size: 1.5rem;
            color: var(--primary) !important;
        }
        .hero-section {
            background: var(--gradient);
            color: white;
            padding: 100px 0;
            position: relative;
            overflow: hidden;
        }
        .hero-section::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background: url('data:image/svg+xml;base64,PHN2ZyB3aWR0aD0iMTAwJSIgaGVpZ2h0PSIxMDAlIiB4bWxucz0iaHR0cDovL3d3dy53My5vcmcvMjAwMC9zdmciPjxkZWZzPjxwYXR0ZXJuIGlkPSJwYXR0ZXJuIiB4PSIwIiB5PSIwIiB3aWR0aD0iODAiIGhlaWdodD0iODAiIHBhdHRlcm5Vbml0cz0idXNlclNwYWNlT25Vc2UiIHBhdHRlcm5UcmFuc2Zvcm09InJvdGF0ZSg0NSkiPjxyZWN0IHg9IjAiIHk9IjAiIHdpZHRoPSI0MCIgaGVpZ2h0PSI0MCIgZmlsbD0icmdiYSgyNTUsMjU1LDI1NSwwLjA1KSIvPjwvcGF0dGVybj48L2RlZnM+PHJlY3Qgd2lkdGg9IjEwMCUiIGhlaWdodD0iMTAwJSIgZmlsbD0idXJsKCNwYXR0ZXJuKSIvPjwvc3ZnPg==');
        }
        .section-title {
            position: relative;
            padding-bottom: 15px;
            margin-bottom: 30px;
            font-weight: 700;
            color: var(--primary);
        }
        .section-title::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            width: 60px;
            height: 3px;
            background: var(--secondary);
        }
        .feature-card {
            border: none;
            border-radius: 10px;
            overflow: hidden;
            transition: transform 0.3s ease, box-shadow 0.3s ease;
            height: 100%;
            box-shadow: 0 5px 15px rgba(0,0,0,0.08);
        }
        .feature-card:hover {
            transform: translateY(-10px);
            box-shadow: 0 15px 30px rgba(0,0,0,0.15);
        }
        .feature-icon {
            width: 70px;
            height: 70px;
            border-radius: 50%;
            background: var(--gradient);
            display: flex;
            align-items: center;
            justify-content: center;
            margin: 0 auto 20px;
            color: white;
            font-size: 1.8rem;
        }
        .news-card {
            border: 1px solid #eee;
            border-radius: 8px;
            overflow: hidden;
            transition: all 0.3s ease;
        }
        .news-card:hover {
            border-color: var(--accent);
            box-shadow: 0 10px 20px rgba(42, 157, 143, 0.1);
        }
        .news-date {
            background: var(--primary);
            color: white;
            padding: 5px 15px;
            border-radius: 0 0 8px 8px;
            display: inline-block;
            font-size: 0.85rem;
        }
        .stats-box {
            background: white;
            border-radius: 10px;
            padding: 30px;
            box-shadow: 0 10px 30px rgba(0,0,0,0.08);
            text-align: center;
            transition: transform 0.3s ease;
        }
        .stats-box:hover {
            transform: translateY(-5px);
        }
        .stats-number {
            font-size: 2.5rem;
            font-weight: 700;
            color: var(--primary);
            margin-bottom: 10px;
        }
        .flink {
            display: inline-block;
            background: #f8f9fa;
            padding: 8px 20px;
            margin: 5px;
            border-radius: 30px;
            color: var(--dark);
            text-decoration: none;
            transition: all 0.3s ease;
            border: 1px solid #e9ecef;
        }
        .flink:hover {
            background: var(--primary);
            color: white;
            transform: translateY(-3px);
            box-shadow: 0 5px 15px rgba(26, 54, 93, 0.2);
        }
        .btn-custom {
            background: var(--secondary);
            color: white;
            padding: 10px 25px;
            border-radius: 30px;
            border: none;
            font-weight: 600;
            transition: all 0.3s ease;
        }
        .btn-custom:hover {
            background: #c1121f;
            color: white;
            transform: translateY(-3px);
            box-shadow: 0 5px 15px rgba(230, 57, 70, 0.3);
        }
        .footer {
            background: var(--dark);
            color: #adb5bd;
            padding: 60px 0 20px;
        }
        .footer a {
            color: #adb5bd;
            text-decoration: none;
            transition: color 0.3s ease;
        }
        .footer a:hover {
            color: white;
        }
        .footer-title {
            color: white;
            font-weight: 600;
            margin-bottom: 20px;
            font-size: 1.2rem;
        }
        .contact-info li {
            margin-bottom: 15px;
            display: flex;
            align-items: flex-start;
        }
        .contact-info i {
            margin-right: 10px;
            color: var(--accent);
            margin-top: 5px;
        }
        .copyright {
            border-top: 1px solid #495057;
            padding-top: 20px;
            margin-top: 40px;
            text-align: center;
            font-size: 0.9rem;
        }
        .back-to-top {
            position: fixed;
            bottom: 30px;
            right: 30px;
            width: 50px;
            height: 50px;
            border-radius: 50%;
            background: var(--secondary);
            color: white;
            display: flex;
            align-items: center;
            justify-content: center;
            text-decoration: none;
            z-index: 1000;
            opacity: 0;
            visibility: hidden;
            transition: all 0.3s ease;
        }
        .back-to-top.active {
            opacity: 1;
            visibility: visible;
        }
        .back-to-top:hover {
            background: var(--primary);
            transform: translateY(-5px);
        }
        @media (max-width: 768px) {
            .hero-section {
                padding: 60px 0;
            }
            .section-title {
                font-size: 1.8rem;
            }
            .stats-number {
                font-size: 2rem;
            }
        }