:root {
            --primary-blue: #1a365d;
            --secondary-gold: #d4af37;
            --accent-green: #10b981;
            --dark-bg: #0f172a;
            --light-bg: #f8fafc;
        }
        body {
            font-family: 'Segoe UI', 'Microsoft YaHei', sans-serif;
            color: #333;
            line-height: 1.8;
            background-color: var(--light-bg);
        }
        h1, h2, h3, h4, h5, h6 {
            font-weight: 700;
            color: var(--primary-blue);
        }
        .navbar {
            background-color: rgba(26, 54, 93, 0.95);
            box-shadow: 0 4px 12px rgba(0,0,0,0.1);
            padding-top: 0.8rem;
            padding-bottom: 0.8rem;
        }
        .navbar-brand {
            font-weight: 800;
            font-size: 1.8rem;
            color: white !important;
        }
        .navbar-brand span {
            color: var(--secondary-gold);
        }
        .nav-link {
            color: rgba(255,255,255,0.9) !important;
            font-weight: 500;
            margin: 0 0.5rem;
            transition: all 0.3s ease;
            position: relative;
        }
        .nav-link:hover, .nav-link.active {
            color: var(--secondary-gold) !important;
        }
        .nav-link::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            width: 0;
            height: 2px;
            background-color: var(--secondary-gold);
            transition: width 0.3s ease;
        }
        .nav-link:hover::after, .nav-link.active::after {
            width: 100%;
        }
        .hero-section {
            background: linear-gradient(135deg, var(--primary-blue) 0%, #2d4a7a 100%);
            color: white;
            padding: 6rem 0;
            position: relative;
            overflow: hidden;
        }
        .hero-section h1 {
            color: white;
            font-size: 3.5rem;
            margin-bottom: 1.5rem;
        }
        .hero-section .lead {
            font-size: 1.3rem;
            opacity: 0.9;
        }
        .btn-primary-custom {
            background-color: var(--secondary-gold);
            border: none;
            color: var(--primary-blue);
            padding: 0.8rem 2rem;
            font-weight: 700;
            border-radius: 50px;
            transition: all 0.3s ease;
        }
        .btn-primary-custom:hover {
            background-color: #e6c158;
            transform: translateY(-3px);
            box-shadow: 0 10px 20px rgba(0,0,0,0.2);
        }
        .section-title {
            text-align: center;
            margin-bottom: 3rem;
            position: relative;
        }
        .section-title::after {
            content: '';
            display: block;
            width: 80px;
            height: 4px;
            background: var(--secondary-gold);
            margin: 1rem auto;
            border-radius: 2px;
        }
        .card-feature {
            border: none;
            border-radius: 15px;
            box-shadow: 0 10px 30px rgba(0,0,0,0.08);
            transition: transform 0.4s ease, box-shadow 0.4s ease;
            height: 100%;
            background-color: white;
        }
        .card-feature:hover {
            transform: translateY(-10px);
            box-shadow: 0 15px 35px rgba(0,0,0,0.15);
        }
        .icon-container {
            width: 80px;
            height: 80px;
            background: linear-gradient(135deg, var(--primary-blue), var(--accent-green));
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            margin: 0 auto 1.5rem;
            color: white;
            font-size: 2rem;
        }
        .data-section {
            background-color: var(--dark-bg);
            color: white;
        }
        .data-section h2, .data-section h3 {
            color: white;
        }
        .counter {
            font-size: 3.5rem;
            font-weight: 800;
            color: var(--secondary-gold);
        }
        .footer {
            background-color: var(--primary-blue);
            color: rgba(255,255,255,0.8);
            padding: 4rem 0 2rem;
        }
        .footer a {
            color: rgba(255,255,255,0.8);
            text-decoration: none;
            transition: color 0.3s ease;
        }
        .footer a:hover {
            color: var(--secondary-gold);
        }
        .flink {
            display: inline-block;
            background-color: rgba(255,255,255,0.1);
            color: white;
            padding: 0.6rem 1.5rem;
            margin: 0.5rem;
            border-radius: 50px;
            text-decoration: none;
            transition: all 0.3s ease;
            border: 1px solid rgba(255,255,255,0.2);
        }
        .flink:hover {
            background-color: var(--secondary-gold);
            color: var(--primary-blue);
            transform: scale(1.05);
        }
        .article-img {
            border-radius: 12px;
            overflow: hidden;
            box-shadow: 0 8px 20px rgba(0,0,0,0.1);
            margin-bottom: 1.5rem;
        }
        .article-img img {
            width: 100%;
            height: 250px;
            object-fit: cover;
            transition: transform 0.5s ease;
        }
        .article-img img:hover {
            transform: scale(1.03);
        }
        .contact-info li {
            margin-bottom: 1rem;
            display: flex;
            align-items: center;
        }
        .contact-info i {
            width: 30px;
            color: var(--secondary-gold);
        }
        .bg-pattern {
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background-image: url("data:image/svg+xml,%3Csvg width='60' height='60' viewBox='0 0 60 60' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='none' fill-rule='evenodd'%3E%3Cg fill='%23ffffff' fill-opacity='0.03'%3E%3Cpath d='M36 34v-4h-2v4h-4v2h4v4h2v-4h4v-2h-4zm0-30V0h-2v4h-4v2h4v4h2V6h4V4h-4zM6 34v-4H4v4H0v2h4v4h2v-4h4v-2H6zM6 4V0H4v4H0v2h4v4h2V6h4V4H6z'/%3E%3C/g%3E%3C/g%3E%3C/svg%3E");
            z-index: 0;
        }
        .hero-content {
            position: relative;
            z-index: 1;
        }
        @media (max-width: 768px) {
            .hero-section h1 {
                font-size: 2.5rem;
            }
            .counter {
                font-size: 2.5rem;
            }
            .navbar-brand {
                font-size: 1.5rem;
            }
        }