:root {
            --primary-color: #0a3d62;
            --secondary-color: #1e90ff;
            --accent-color: #00b894;
            --light-bg: #f8f9fa;
            --dark-text: #2d3436;
            --transition: all 0.3s ease;
        }
        body {
            font-family: 'Noto Sans SC', 'Microsoft YaHei', sans-serif;
            color: var(--dark-text);
            line-height: 1.7;
        }
        .navbar-brand {
            font-weight: 700;
            font-size: 1.8rem;
            color: var(--primary-color) !important;
        }
        .nav-link {
            font-weight: 500;
            margin: 0 5px;
            transition: var(--transition);
            border-radius: 4px;
        }
        .nav-link:hover {
            background-color: rgba(10, 61, 98, 0.1);
            transform: translateY(-2px);
        }
        .hero-section {
            background: linear-gradient(135deg, rgba(10, 61, 98, 0.9) 0%, rgba(30, 144, 255, 0.8) 100%), url('https://images.unsplash.com/photo-1611974789855-9c2a0a7236a3?ixlib=rb-4.0.3&auto=format&fit=crop&w=1920&q=80');
            background-size: cover;
            background-position: center;
            color: white;
            padding: 120px 0;
            margin-top: 76px;
        }
        .section-title {
            position: relative;
            padding-bottom: 15px;
            margin-bottom: 40px;
            font-weight: 700;
            color: var(--primary-color);
        }
        .section-title::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            width: 60px;
            height: 3px;
            background: var(--secondary-color);
        }
        .section-title.text-center::after {
            left: 50%;
            transform: translateX(-50%);
        }
        .feature-card {
            border: none;
            border-radius: 10px;
            overflow: hidden;
            transition: var(--transition);
            height: 100%;
            box-shadow: 0 5px 15px rgba(0,0,0,0.05);
        }
        .feature-card:hover {
            transform: translateY(-10px);
            box-shadow: 0 15px 30px rgba(0,0,0,0.1);
        }
        .feature-icon {
            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-bottom: 20px;
        }
        .investment-card {
            border-left: 4px solid var(--secondary-color);
            padding-left: 20px;
            margin-bottom: 30px;
            transition: var(--transition);
        }
        .investment-card:hover {
            border-left-color: var(--accent-color);
            transform: translateX(10px);
        }
        .team-member {
            text-align: center;
            margin-bottom: 30px;
        }
        .team-img {
            width: 200px;
            height: 200px;
            border-radius: 50%;
            object-fit: cover;
            border: 5px solid white;
            box-shadow: 0 10px 20px rgba(0,0,0,0.1);
            margin-bottom: 15px;
            transition: var(--transition);
        }
        .team-img:hover {
            transform: scale(1.05);
        }
        .news-card {
            border: none;
            border-radius: 10px;
            overflow: hidden;
            transition: var(--transition);
            height: 100%;
            box-shadow: 0 5px 15px rgba(0,0,0,0.05);
        }
        .news-card:hover {
            transform: translateY(-5px);
        }
        .news-date {
            background: var(--primary-color);
            color: white;
            padding: 8px 15px;
            border-radius: 20px;
            display: inline-block;
            font-size: 0.85rem;
            margin-bottom: 15px;
        }
        .contact-info-box {
            background: var(--light-bg);
            padding: 30px;
            border-radius: 10px;
            height: 100%;
            border-left: 4px solid var(--accent-color);
        }
        .contact-icon {
            width: 50px;
            height: 50px;
            background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            margin-bottom: 15px;
        }
        footer {
            background: var(--primary-color);
            color: white;
            padding: 60px 0 20px;
        }
        .footer-link {
            color: rgba(255,255,255,0.8);
            text-decoration: none;
            transition: var(--transition);
        }
        .footer-link:hover {
            color: white;
            text-decoration: underline;
        }
        .flink {
            display: inline-block;
            padding: 5px 15px;
            background: rgba(255,255,255,0.1);
            border-radius: 20px;
            margin: 5px;
            color: rgba(255,255,255,0.8);
            text-decoration: none;
            transition: var(--transition);
        }
        .flink:hover {
            background: rgba(255,255,255,0.2);
            color: white;
            transform: translateY(-2px);
        }
        .back-to-top {
            position: fixed;
            bottom: 30px;
            right: 30px;
            width: 50px;
            height: 50px;
            background: var(--secondary-color);
            color: white;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            text-decoration: none;
            opacity: 0;
            visibility: hidden;
            transition: var(--transition);
            z-index: 1000;
        }
        .back-to-top.active {
            opacity: 1;
            visibility: visible;
        }
        .back-to-top:hover {
            background: var(--primary-color);
            transform: translateY(-5px);
        }
        @media (max-width: 768px) {
            .hero-section {
                padding: 80px 0;
                margin-top: 66px;
            }
            .hero-section h1 {
                font-size: 2rem;
            }
            .section-title {
                font-size: 1.8rem;
            }
        }