:root {
            --primary-color: #1a5fb4;
            --secondary-color: #2d8f4b;
            --accent-color: #e6a23c;
            --light-color: #f8f9fa;
            --dark-color: #343a40;
            --gray-color: #6c757d;
        }
        body {
            font-family: "Microsoft YaHei", "Segoe UI", sans-serif;
            line-height: 1.8;
            color: #333;
        }
        h1, h2, h3, h4, h5 {
            font-weight: 700;
            margin-bottom: 1rem;
            color: var(--dark-color);
        }
        .navbar-brand {
            font-size: 1.8rem;
            font-weight: 700;
            color: var(--primary-color) !important;
        }
        .navbar-brand i {
            color: var(--accent-color);
            margin-right: 8px;
        }
        .hero-section {
            background: linear-gradient(rgba(0,0,0,0.7), rgba(0,0,0,0.7)), url('https://images.unsplash.com/photo-1560518883-ce09059eeffa?ixlib=rb-4.0.3&auto=format&fit=crop&w=1200&q=80');
            background-size: cover;
            background-position: center;
            color: white;
            padding: 120px 0;
            margin-top: 76px;
        }
        .section-title {
            position: relative;
            padding-bottom: 15px;
            margin-bottom: 40px;
            text-align: center;
        }
        .section-title:after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 50%;
            transform: translateX(-50%);
            width: 80px;
            height: 3px;
            background: var(--primary-color);
        }
        .card {
            border: none;
            box-shadow: 0 5px 15px rgba(0,0,0,0.08);
            transition: transform 0.3s ease;
            height: 100%;
        }
        .card:hover {
            transform: translateY(-8px);
        }
        .card-img-top {
            height: 220px;
            object-fit: cover;
        }
        .service-icon {
            font-size: 2.5rem;
            color: var(--primary-color);
            margin-bottom: 1rem;
        }
        .feature-box {
            padding: 30px 20px;
            text-align: center;
            border-radius: 10px;
            background: white;
            box-shadow: 0 5px 15px rgba(0,0,0,0.05);
            height: 100%;
            transition: all 0.3s;
        }
        .feature-box:hover {
            box-shadow: 0 15px 30px rgba(0,0,0,0.1);
        }
        .property-card {
            overflow: hidden;
            border-radius: 10px;
        }
        .property-badge {
            position: absolute;
            top: 15px;
            right: 15px;
            z-index: 2;
        }
        .team-member {
            text-align: center;
            margin-bottom: 30px;
        }
        .team-img {
            width: 180px;
            height: 180px;
            object-fit: cover;
            border-radius: 50%;
            margin: 0 auto 20px;
            border: 5px solid var(--light-color);
        }
        .contact-info-box {
            background: var(--light-color);
            padding: 25px;
            border-radius: 10px;
            margin-bottom: 20px;
            text-align: center;
        }
        .contact-info-box i {
            font-size: 2rem;
            color: var(--primary-color);
            margin-bottom: 15px;
        }
        .friendlink {
            background: #f8f9fa;
            padding: 60px 0;
        }
        .flink {
            display: inline-block;
            padding: 8px 20px;
            margin: 5px 10px;
            background: white;
            border-radius: 5px;
            color: var(--dark-color);
            text-decoration: none;
            border: 1px solid #dee2e6;
            transition: all 0.3s;
        }
        .flink:hover {
            background: var(--primary-color);
            color: white;
            border-color: var(--primary-color);
        }
        footer {
            background: var(--dark-color);
            color: white;
            padding: 60px 0 20px;
        }
        .footer-links a {
            color: #adb5bd;
            text-decoration: none;
            margin-right: 15px;
        }
        .footer-links a:hover {
            color: white;
        }
        .back-to-top {
            position: fixed;
            bottom: 30px;
            right: 30px;
            width: 50px;
            height: 50px;
            background: var(--primary-color);
            color: white;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            text-decoration: none;
            opacity: 0;
            transition: opacity 0.3s;
            z-index: 1000;
        }
        .back-to-top.visible {
            opacity: 1;
        }
        .text-justify {
            text-align: justify;
        }
        @media (max-width: 768px) {
            .hero-section {
                padding: 80px 0;
                margin-top: 56px;
            }
            .section-title {
                font-size: 1.8rem;
            }
        }