:root {
            --primary-color: #FF6A00;
            --secondary-color: #0057FF;
            --dark-color: #1a1a1a;
            --light-color: #f8f9fa;
            --gray-color: #6c757d;
        }
        body {
            font-family: "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
            color: #333;
            line-height: 1.7;
        }
        .navbar-brand {
            font-weight: 700;
            font-size: 1.8rem;
            color: var(--primary-color) !important;
        }
        .hero-section {
            background: linear-gradient(135deg, rgba(255,106,0,0.9) 0%, rgba(0,87,255,0.8) 100%), url('https://images.unsplash.com/photo-1556742049-0cfed4f6a45d?ixlib=rb-4.0.3&auto=format&fit=crop&w=1920&q=80') center/cover no-repeat;
            color: white;
            padding: 8rem 0;
            position: relative;
        }
        .section-title {
            position: relative;
            padding-bottom: 15px;
            margin-bottom: 3rem;
            font-weight: 700;
            color: var(--dark-color);
        }
        .section-title:after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            width: 70px;
            height: 4px;
            background: var(--primary-color);
        }
        .section-title.text-center:after {
            left: 50%;
            transform: translateX(-50%);
        }
        .feature-card {
            border: none;
            border-radius: 15px;
            overflow: hidden;
            transition: transform 0.3s ease, box-shadow 0.3s ease;
            height: 100%;
        }
        .feature-card:hover {
            transform: translateY(-10px);
            box-shadow: 0 15px 30px rgba(0,0,0,0.1);
        }
        .feature-icon {
            width: 70px;
            height: 70px;
            border-radius: 50%;
            background: linear-gradient(45deg, var(--primary-color), #ff9d4d);
            display: flex;
            align-items: center;
            justify-content: center;
            margin: 0 auto 1.5rem;
            color: white;
            font-size: 1.8rem;
        }
        .stats-counter {
            background: linear-gradient(rgba(26,26,26,0.95), rgba(26,26,26,0.95)), url('https://images.unsplash.com/photo-1451187580459-43490279c0fa?ixlib=rb-4.0.3&auto=format&fit=crop&w=1920&q=80') center/cover fixed;
            color: white;
            padding: 5rem 0;
        }
        .stat-item h3 {
            font-size: 3.5rem;
            font-weight: 700;
            color: var(--primary-color);
            margin-bottom: 0.5rem;
        }
        .service-box {
            padding: 2.5rem 1.5rem;
            border-radius: 10px;
            background-color: white;
            box-shadow: 0 5px 15px rgba(0,0,0,0.05);
            height: 100%;
            transition: all 0.3s ease;
            border-left: 5px solid transparent;
        }
        .service-box:hover {
            border-left-color: var(--primary-color);
            box-shadow: 0 10px 25px rgba(0,0,0,0.1);
        }
        .service-box i {
            font-size: 2.5rem;
            color: var(--primary-color);
            margin-bottom: 1.5rem;
        }
        .team-member {
            text-align: center;
            margin-bottom: 2rem;
        }
        .team-member img {
            width: 180px;
            height: 180px;
            border-radius: 50%;
            object-fit: cover;
            margin-bottom: 1.5rem;
            border: 5px solid #f1f1f1;
        }
        .contact-info-box {
            background: var(--light-color);
            padding: 2rem;
            border-radius: 10px;
            height: 100%;
            border-left: 4px solid var(--primary-color);
        }
        .contact-info-box i {
            color: var(--primary-color);
            font-size: 1.5rem;
            margin-bottom: 1rem;
        }
        footer {
            background-color: var(--dark-color);
            color: #aaa;
            padding-top: 3rem;
        }
        footer a {
            color: #ddd;
            text-decoration: none;
            transition: color 0.3s ease;
        }
        footer a:hover {
            color: var(--primary-color);
        }
        .footer-bottom {
            border-top: 1px solid #444;
            padding: 1.5rem 0;
            margin-top: 3rem;
        }
        .friendlink {
            background-color: #f9f9f9;
            padding: 4rem 0;
        }
        .flink {
            display: inline-block;
            padding: 8px 20px;
            margin: 5px 10px;
            background-color: white;
            border-radius: 50px;
            color: var(--dark-color);
            text-decoration: none;
            border: 1px solid #e0e0e0;
            transition: all 0.3s ease;
            font-weight: 500;
        }
        .flink:hover {
            background-color: var(--primary-color);
            color: white;
            border-color: var(--primary-color);
            transform: translateY(-3px);
        }
        .btn-primary {
            background-color: var(--primary-color);
            border-color: var(--primary-color);
            padding: 0.7rem 2rem;
            font-weight: 600;
        }
        .btn-primary:hover {
            background-color: #e55a00;
            border-color: #e55a00;
        }
        .btn-outline-primary {
            color: var(--primary-color);
            border-color: var(--primary-color);
        }
        .btn-outline-primary:hover {
            background-color: var(--primary-color);
            border-color: var(--primary-color);
        }
        .news-card {
            border: none;
            border-radius: 10px;
            overflow: hidden;
            transition: transform 0.3s ease;
            height: 100%;
            box-shadow: 0 5px 15px rgba(0,0,0,0.05);
        }
        .news-card:hover {
            transform: translateY(-5px);
        }
        .news-card img {
            height: 220px;
            object-fit: cover;
        }
        .news-date {
            color: var(--gray-color);
            font-size: 0.9rem;
        }
        .form-control:focus {
            border-color: var(--primary-color);
            box-shadow: 0 0 0 0.25rem rgba(255, 106, 0, 0.25);
        }
        @media (max-width: 768px) {
            .hero-section {
                padding: 5rem 0;
                text-align: center;
            }
            .display-4 {
                font-size: 2.5rem;
            }
            .stat-item h3 {
                font-size: 2.5rem;
            }
        }
        .timeline {
            position: relative;
            max-width: 1200px;
            margin: 0 auto;
        }
        .timeline::after {
            content: '';
            position: absolute;
            width: 6px;
            background-color: #eee;
            top: 0;
            bottom: 0;
            left: 50%;
            margin-left: -3px;
        }
        .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-color: white;
            position: relative;
            border-radius: 10px;
            box-shadow: 0 5px 15px rgba(0,0,0,0.1);
        }
        .timeline-item:nth-child(odd) .timeline-content::after {
            content: " ";
            height: 0;
            position: absolute;
            top: 22px;
            width: 0;
            z-index: 1;
            right: -15px;
            border: medium solid white;
            border-width: 10px 0 10px 15px;
            border-color: transparent transparent transparent white;
        }
        .timeline-item:nth-child(even) .timeline-content::after {
            content: " ";
            height: 0;
            position: absolute;
            top: 22px;
            width: 0;
            z-index: 1;
            left: -15px;
            border: medium solid white;
            border-width: 10px 15px 10px 0;
            border-color: transparent white transparent transparent;
        }
        .timeline-item::after {
            content: '';
            position: absolute;
            width: 25px;
            height: 25px;
            right: -12px;
            background-color: var(--primary-color);
            border: 4px solid white;
            top: 15px;
            border-radius: 50%;
            z-index: 1;
        }
        .timeline-item:nth-child(even)::after {
            left: -12px;
        }
        @media (max-width: 768px) {
            .timeline::after {
                left: 31px;
            }
            .timeline-item {
                width: 100%;
                padding-left: 70px;
                padding-right: 25px;
            }
            .timeline-item:nth-child(even) {
                left: 0;
            }
            .timeline-item:nth-child(odd) .timeline-content::after,
            .timeline-item:nth-child(even) .timeline-content::after {
                left: -15px;
                right: auto;
                border-width: 10px 15px 10px 0;
                border-color: transparent white transparent transparent;
            }
            .timeline-item::after {
                left: 19px;
            }
            .timeline-item:nth-child(even)::after {
                left: 19px;
            }
        }