:root {
            --primary-color: #1a3a6c;
            --secondary-color: #c8102e;
            --accent-color: #f0f0f0;
            --text-dark: #333;
            --text-light: #fff;
        }
        body {
            font-family: 'Microsoft YaHei', sans-serif;
            color: var(--text-dark);
            overflow-x: hidden;
        }
        header {
            background: linear-gradient(rgba(0,0,0,0.7), rgba(0,0,0,0.7)), url('https://images.unsplash.com/photo-1503376780353-7e6692767b70?ixlib=rb-4.0.3&auto=format&fit=crop&w=1600&q=80') no-repeat center center/cover;
            color: var(--text-light);
            padding: 100px 0;
        }
        nav.navbar {
            background-color: var(--primary-color) !important;
            padding: 15px 0;
            transition: all 0.3s ease;
        }
        nav.navbar.scrolled {
            padding: 10px 0;
            box-shadow: 0 4px 6px rgba(0,0,0,0.1);
        }
        .navbar-brand {
            font-size: 1.8rem;
            font-weight: bold;
            color: var(--text-light) !important;
        }
        .navbar-nav .nav-link {
            color: var(--text-light) !important;
            margin: 0 10px;
            font-weight: 500;
            transition: color 0.3s;
        }
        .navbar-nav .nav-link:hover {
            color: var(--secondary-color) !important;
        }
        .hero h1 {
            font-size: 3.5rem;
            font-weight: bold;
            margin-bottom: 20px;
            text-shadow: 2px 2px 4px rgba(0,0,0,0.5);
        }
        .hero p {
            font-size: 1.2rem;
            margin-bottom: 30px;
        }
        .btn-primary {
            background-color: var(--secondary-color);
            border-color: var(--secondary-color);
            padding: 12px 30px;
            font-size: 1.1rem;
            transition: all 0.3s;
        }
        .btn-primary:hover {
            background-color: #a00d24;
            border-color: #a00d24;
            transform: translateY(-3px);
        }
        section {
            padding: 80px 0;
        }
        section:nth-of-type(even) {
            background-color: var(--accent-color);
        }
        h2 {
            color: var(--primary-color);
            font-weight: bold;
            margin-bottom: 40px;
            position: relative;
            padding-bottom: 15px;
        }
        h2::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 50%;
            transform: translateX(-50%);
            width: 80px;
            height: 4px;
            background-color: var(--secondary-color);
        }
        .card {
            border: none;
            border-radius: 10px;
            overflow: hidden;
            transition: transform 0.3s, box-shadow 0.3s;
            height: 100%;
        }
        .card:hover {
            transform: translateY(-10px);
            box-shadow: 0 10px 20px rgba(0,0,0,0.1);
        }
        .card-img-top {
            height: 200px;
            object-fit: cover;
        }
        .card-title {
            color: var(--primary-color);
            font-weight: bold;
        }
        .icon-box {
            font-size: 3rem;
            color: var(--secondary-color);
            margin-bottom: 20px;
        }
        .contact-info li {
            margin-bottom: 15px;
            font-size: 1.1rem;
        }
        .contact-info i {
            color: var(--secondary-color);
            margin-right: 10px;
            width: 24px;
        }
        footer {
            background-color: var(--primary-color);
            color: var(--text-light);
            padding: 60px 0 20px;
        }
        footer a {
            color: var(--text-light);
            text-decoration: none;
            transition: color 0.3s;
        }
        footer a:hover {
            color: var(--secondary-color);
        }
        friendlink {
            display: block;
            margin-top: 30px;
        }
        .flink {
            display: inline-block;
            margin: 5px 10px;
            padding: 8px 15px;
            background-color: rgba(255,255,255,0.1);
            border-radius: 5px;
            transition: background-color 0.3s;
        }
        .flink:hover {
            background-color: rgba(255,255,255,0.2);
        }
        .map-container {
            border-radius: 10px;
            overflow: hidden;
            box-shadow: 0 5px 15px rgba(0,0,0,0.1);
        }
        .breadcrumb {
            background-color: transparent;
            padding: 0;
        }
        .breadcrumb-item a {
            color: var(--primary-color);
        }
        .sticky-top {
            top: 0;
            z-index: 1020;
        }
        @media (max-width: 768px) {
            .hero h1 {
                font-size: 2.5rem;
            }
            section {
                padding: 50px 0;
            }
            h2 {
                font-size: 1.8rem;
            }
        }