:root {
            --primary-color: #2c3e50;
            --secondary-color: #c0392b;
            --accent-color: #f39c12;
            --light-bg: #f8f9fa;
            --dark-text: #333;
            --shadow: 0 4px 12px rgba(0,0,0,0.08);
            --transition: all 0.3s ease;
        }
        body {
            font-family: 'Microsoft YaHei', 'Segoe UI', sans-serif;
            color: var(--dark-text);
            line-height: 1.7;
            overflow-x: hidden;
        }
        .navbar-brand {
            font-weight: 700;
            font-size: 1.8rem;
            color: var(--primary-color) !important;
        }
        .navbar-nav .nav-link {
            font-weight: 500;
            padding: 0.5rem 1.2rem !important;
            transition: var(--transition);
        }
        .navbar-nav .nav-link:hover, .navbar-nav .nav-link.active {
            color: var(--secondary-color) !important;
            transform: translateY(-2px);
        }
        .hero-section {
            background: linear-gradient(rgba(44, 62, 80, 0.85), rgba(44, 62, 80, 0.9)), url('https://images.unsplash.com/photo-1445205170230-053b83016050?ixlib=rb-4.0.3&auto=format&fit=crop&w=1920&q=80') center/cover no-repeat;
            color: white;
            padding: 8rem 0;
            margin-top: 76px;
        }
        .section-title {
            position: relative;
            padding-bottom: 1rem;
            margin-bottom: 3rem;
            font-weight: 700;
            color: var(--primary-color);
        }
        .section-title:after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 50%;
            transform: translateX(-50%);
            width: 80px;
            height: 4px;
            background: var(--secondary-color);
            border-radius: 2px;
        }
        .card {
            border: none;
            border-radius: 12px;
            overflow: hidden;
            box-shadow: var(--shadow);
            transition: var(--transition);
            height: 100%;
        }
        .card:hover {
            transform: translateY(-10px);
            box-shadow: 0 12px 24px rgba(0,0,0,0.15);
        }
        .card-img-top {
            height: 240px;
            object-fit: cover;
            transition: var(--transition);
        }
        .card:hover .card-img-top {
            transform: scale(1.05);
        }
        .btn-primary-custom {
            background-color: var(--secondary-color);
            border: none;
            padding: 0.8rem 2rem;
            border-radius: 30px;
            font-weight: 600;
            transition: var(--transition);
        }
        .btn-primary-custom:hover {
            background-color: #a93226;
            transform: translateY(-3px);
            box-shadow: 0 6px 12px rgba(192, 57, 43, 0.3);
        }
        .icon-box {
            width: 70px;
            height: 70px;
            border-radius: 50%;
            background: rgba(192, 57, 43, 0.1);
            display: flex;
            align-items: center;
            justify-content: center;
            margin: 0 auto 1.5rem;
            color: var(--secondary-color);
            font-size: 1.8rem;
        }
        .feature-item {
            padding: 2rem 1.5rem;
            text-align: center;
            border-radius: 12px;
            background: white;
            box-shadow: var(--shadow);
            transition: var(--transition);
        }
        .feature-item:hover {
            background: var(--light-bg);
            transform: translateY(-5px);
        }
        .bg-light-custom {
            background-color: var(--light-bg) !important;
        }
        footer {
            background-color: var(--primary-color);
            color: #ddd;
        }
        footer a {
            color: #ddd;
            text-decoration: none;
            transition: var(--transition);
        }
        footer a:hover {
            color: var(--accent-color);
        }
        .friendlink .flink {
            display: inline-block;
            padding: 0.5rem 1.2rem;
            margin: 0.5rem;
            background: white;
            border-radius: 30px;
            color: var(--primary-color);
            font-weight: 500;
            box-shadow: var(--shadow);
            transition: var(--transition);
            text-decoration: none;
        }
        .friendlink .flink:hover {
            background: var(--secondary-color);
            color: white;
            transform: translateY(-3px);
        }
        .news-item {
            border-left: 4px solid var(--secondary-color);
            padding-left: 1.5rem;
            margin-bottom: 2rem;
        }
        .contact-info i {
            color: var(--secondary-color);
            width: 30px;
        }
        .map-container {
            border-radius: 12px;
            overflow: hidden;
            box-shadow: var(--shadow);
        }
        @media (max-width: 768px) {
            .hero-section {
                padding: 5rem 0;
                text-align: center;
            }
            .section-title:after {
                left: 50%;
            }
            .display-4 {
                font-size: 2.2rem;
            }
        }
        .sticky-top {
            backdrop-filter: blur(10px);
            background-color: rgba(255, 255, 255, 0.95);
        }