:root {
            --primary-color: #1a365d;
            --secondary-color: #e63946;
            --accent-color: #a8dadc;
            --light-color: #f1faee;
            --dark-color: #0d1b2a;
        }
        body {
            font-family: 'Noto Sans SC', 'Microsoft YaHei', sans-serif;
            color: #333;
            line-height: 1.8;
        }
        .navbar-brand {
            font-weight: 700;
            font-size: 1.8rem;
            color: var(--primary-color);
        }
        .hero-section {
            background: linear-gradient(rgba(26, 54, 93, 0.85), rgba(26, 54, 93, 0.9)), url('https://images.unsplash.com/photo-1552664730-d307ca884978?ixlib=rb-4.0.3&auto=format&fit=crop&w=2070&q=80') no-repeat center center;
            background-size: cover;
            color: white;
            padding: 120px 0;
        }
        .section-title {
            color: var(--primary-color);
            border-left: 5px solid var(--secondary-color);
            padding-left: 15px;
            margin-bottom: 40px;
        }
        .service-card {
            border: none;
            border-radius: 10px;
            box-shadow: 0 5px 15px rgba(0,0,0,0.08);
            transition: transform 0.3s ease, box-shadow 0.3s ease;
            height: 100%;
        }
        .service-card:hover {
            transform: translateY(-10px);
            box-shadow: 0 15px 30px rgba(0,0,0,0.15);
        }
        .service-icon {
            font-size: 3rem;
            color: var(--secondary-color);
            margin-bottom: 20px;
        }
        .portfolio-item {
            position: relative;
            overflow: hidden;
            border-radius: 10px;
            margin-bottom: 30px;
        }
        .portfolio-img {
            transition: transform 0.5s ease;
            width: 100%;
            height: 250px;
            object-fit: cover;
        }
        .portfolio-item:hover .portfolio-img {
            transform: scale(1.05);
        }
        .portfolio-overlay {
            position: absolute;
            bottom: 0;
            left: 0;
            right: 0;
            background: rgba(26, 54, 93, 0.85);
            color: white;
            padding: 20px;
            transform: translateY(100%);
            transition: transform 0.5s ease;
        }
        .portfolio-item:hover .portfolio-overlay {
            transform: translateY(0);
        }
        .team-card {
            border-radius: 10px;
            overflow: hidden;
            box-shadow: 0 5px 15px rgba(0,0,0,0.08);
            transition: transform 0.3s ease;
        }
        .team-card:hover {
            transform: translateY(-10px);
        }
        .team-img {
            height: 280px;
            object-fit: cover;
        }
        .contact-info-box {
            background: var(--light-color);
            border-left: 5px solid var(--accent-color);
            padding: 25px;
            margin-bottom: 30px;
            border-radius: 5px;
        }
        .contact-icon {
            font-size: 2rem;
            color: var(--primary-color);
            margin-bottom: 15px;
        }
        .friendlinks {
            background: #f8f9fa;
            padding: 40px 0;
            border-top: 1px solid #dee2e6;
        }
        .flink {
            display: inline-block;
            background: white;
            padding: 12px 25px;
            margin: 10px;
            border-radius: 50px;
            color: var(--primary-color);
            text-decoration: none;
            border: 2px solid transparent;
            transition: all 0.3s ease;
            font-weight: 500;
            box-shadow: 0 3px 10px rgba(0,0,0,0.05);
        }
        .flink:hover {
            border-color: var(--secondary-color);
            color: var(--secondary-color);
            transform: translateY(-3px);
        }
        .footer {
            background: var(--dark-color);
            color: white;
            padding: 60px 0 30px;
        }
        .footer a {
            color: var(--accent-color);
            text-decoration: none;
        }
        .footer a:hover {
            color: white;
            text-decoration: underline;
        }
        .btn-primary-custom {
            background-color: var(--secondary-color);
            border-color: var(--secondary-color);
            padding: 12px 30px;
            font-weight: 600;
            border-radius: 50px;
            transition: all 0.3s ease;
        }
        .btn-primary-custom:hover {
            background-color: #c1121f;
            border-color: #c1121f;
            transform: translateY(-3px);
        }
        .sticky-top {
            box-shadow: 0 2px 10px rgba(0,0,0,0.1);
        }
        .news-card {
            border-left: 5px solid var(--accent-color);
            padding-left: 20px;
            margin-bottom: 30px;
        }
        .accordion-button:not(.collapsed) {
            background-color: rgba(168, 218, 220, 0.2);
            color: var(--primary-color);
        }
        @media (max-width: 768px) {
            .hero-section {
                padding: 80px 0;
            }
            .section-title {
                font-size: 1.8rem;
            }
            .team-img {
                height: 220px;
            }
        }