:root {
            --primary-color: #0a3d62;
            --secondary-color: #e55039;
            --accent-color: #f6b93b;
            --light-color: #f8f9fa;
            --dark-color: #2c3e50;
            --gray-color: #7f8c8d;
        }
        body {
            font-family: 'Microsoft YaHei', 'Segoe UI', sans-serif;
            line-height: 1.8;
            color: var(--dark-color);
        }
        h1, h2, h3, h4, h5, h6 {
            font-weight: 700;
            color: var(--primary-color);
            margin-bottom: 1.5rem;
        }
        .navbar-brand {
            font-weight: 800;
            font-size: 1.8rem;
            color: var(--primary-color) !important;
        }
        .navbar-brand span {
            color: var(--secondary-color);
        }
        .hero-section {
            background: linear-gradient(rgba(10, 61, 98, 0.85), rgba(44, 62, 80, 0.9)), url('https://images.unsplash.com/photo-1497366216548-37526070297c?ixlib=rb-4.0.3&auto=format&fit=crop&w=2000&q=80') center/cover no-repeat;
            color: white;
            padding: 180px 0 120px;
        }
        .hero-section h1 {
            color: white;
            font-size: 3.5rem;
            margin-bottom: 1.5rem;
            text-shadow: 2px 2px 4px rgba(0,0,0,0.3);
        }
        .section-title {
            position: relative;
            padding-bottom: 15px;
            margin-bottom: 3rem;
        }
        .section-title::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 50%;
            transform: translateX(-50%);
            width: 80px;
            height: 4px;
            background: var(--secondary-color);
        }
        .service-card {
            border: none;
            border-radius: 15px;
            overflow: hidden;
            transition: all 0.4s ease;
            box-shadow: 0 10px 30px rgba(0,0,0,0.08);
            height: 100%;
        }
        .service-card:hover {
            transform: translateY(-15px);
            box-shadow: 0 20px 40px rgba(0,0,0,0.15);
        }
        .service-icon {
            width: 80px;
            height: 80px;
            background: linear-gradient(135deg, var(--primary-color), #1e5799);
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            margin: 0 auto 1.5rem;
            color: white;
            font-size: 2rem;
        }
        .portfolio-item {
            position: relative;
            overflow: hidden;
            border-radius: 10px;
            margin-bottom: 30px;
        }
        .portfolio-overlay {
            position: absolute;
            bottom: 0;
            left: 0;
            right: 0;
            background: linear-gradient(transparent, rgba(10, 61, 98, 0.95));
            padding: 30px;
            color: white;
            transform: translateY(100%);
            transition: transform 0.5s ease;
        }
        .portfolio-item:hover .portfolio-overlay {
            transform: translateY(0);
        }
        .team-card {
            border-radius: 15px;
            overflow: hidden;
            box-shadow: 0 10px 30px rgba(0,0,0,0.1);
            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);
            padding: 30px;
            border-radius: 15px;
            height: 100%;
            border-left: 5px solid var(--secondary-color);
        }
        .contact-icon {
            width: 60px;
            height: 60px;
            background: var(--primary-color);
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            color: white;
            font-size: 1.5rem;
            margin-bottom: 1rem;
        }
        .footer {
            background: var(--dark-color);
            color: white;
            padding: 80px 0 30px;
        }
        .footer-links a {
            color: #bdc3c7;
            text-decoration: none;
            transition: color 0.3s ease;
        }
        .footer-links a:hover {
            color: var(--accent-color);
        }
        .flink {
            display: inline-block;
            background: var(--light-color);
            padding: 10px 25px;
            margin: 5px 10px;
            border-radius: 30px;
            color: var(--primary-color);
            text-decoration: none;
            font-weight: 600;
            transition: all 0.3s ease;
            border: 2px solid transparent;
        }
        .flink:hover {
            background: var(--primary-color);
            color: white;
            border-color: var(--accent-color);
            transform: scale(1.05);
        }
        .friendlink {
            background: #f8f9fa;
            padding: 80px 0;
        }
        .news-card {
            border-left: 4px solid var(--primary-color);
            padding-left: 20px;
            margin-bottom: 30px;
            transition: all 0.3s ease;
        }
        .news-card:hover {
            border-left-color: var(--secondary-color);
            padding-left: 25px;
        }
        .btn-primary-custom {
            background: linear-gradient(to right, var(--primary-color), #1e5799);
            border: none;
            padding: 12px 30px;
            border-radius: 30px;
            font-weight: 600;
            transition: all 0.3s ease;
        }
        .btn-primary-custom:hover {
            background: linear-gradient(to right, var(--secondary-color), #e55039);
            transform: translateY(-3px);
            box-shadow: 0 10px 20px rgba(229, 80, 57, 0.2);
        }
        .stat-number {
            font-size: 3rem;
            font-weight: 800;
            color: var(--primary-color);
            display: block;
            line-height: 1;
        }
        .stat-label {
            color: var(--gray-color);
            font-size: 1.1rem;
        }
        .timeline {
            position: relative;
            max-width: 1200px;
            margin: 0 auto;
        }
        .timeline::after {
            content: '';
            position: absolute;
            width: 6px;
            background: var(--primary-color);
            top: 0;
            bottom: 0;
            left: 50%;
            margin-left: -3px;
            border-radius: 10px;
        }
        .timeline-item {
            padding: 10px 40px;
            position: relative;
            width: 50%;
            box-sizing: border-box;
        }
        .timeline-item:nth-child(odd) {
            left: 0;
        }
        .timeline-item:nth-child(even) {
            left: 50%;
        }
        .timeline-content {
            padding: 20px 30px;
            background: white;
            border-radius: 15px;
            box-shadow: 0 10px 30px rgba(0,0,0,0.1);
            position: relative;
        }
        .timeline-item:nth-child(odd) .timeline-content::after {
            content: '';
            position: absolute;
            width: 20px;
            height: 20px;
            right: -10px;
            background: white;
            top: 30px;
            border-radius: 50%;
            z-index: 1;
            box-shadow: 1px 1px 5px rgba(0,0,0,0.2);
        }
        .timeline-item:nth-child(even) .timeline-content::after {
            content: '';
            position: absolute;
            width: 20px;
            height: 20px;
            left: -10px;
            background: white;
            top: 30px;
            border-radius: 50%;
            z-index: 1;
            box-shadow: 1px 1px 5px rgba(0,0,0,0.2);
        }
        .timeline-item::after {
            content: '';
            position: absolute;
            width: 25px;
            height: 25px;
            right: -12px;
            background: var(--secondary-color);
            border: 4px solid var(--primary-color);
            top: 25px;
            border-radius: 50%;
            z-index: 2;
        }
        .timeline-item:nth-child(even)::after {
            left: -13px;
        }
        @media (max-width: 768px) {
            .hero-section h1 {
                font-size: 2.5rem;
            }
            .hero-section {
                padding: 120px 0 80px;
            }
            .timeline::after {
                left: 31px;
            }
            .timeline-item {
                width: 100%;
                padding-left: 70px;
                padding-right: 25px;
            }
            .timeline-item:nth-child(even) {
                left: 0;
            }
            .timeline-item::after {
                left: 18px;
            }
            .timeline-item:nth-child(even)::after {
                left: 18px;
            }
            .timeline-item:nth-child(odd) .timeline-content::after,
            .timeline-item:nth-child(even) .timeline-content::after {
                left: -10px;
                right: auto;
            }
        }