:root {
            --primary-color: #dc3545;
            --secondary-color: #0d6efd;
            --dark-color: #212529;
            --light-color: #f8f9fa;
            --transition: all 0.3s ease;
        }
        body {
            font-family: 'Microsoft YaHei', 'Segoe UI', sans-serif;
            color: #333;
            line-height: 1.6;
        }
        .navbar-brand {
            font-weight: 700;
            font-size: 1.8rem;
            color: var(--primary-color);
        }
        .navbar-brand i {
            margin-right: 10px;
        }
        .hero-section {
            background: linear-gradient(rgba(0, 0, 0, 0.7), rgba(0, 0, 0, 0.7)), url('https://images.unsplash.com/photo-1556056504-5c7696c4c28d?ixlib=rb-4.0.3&auto=format&fit=crop&w=1600&q=80') center/cover no-repeat;
            color: white;
            padding: 120px 0;
            text-align: center;
        }
        .hero-section h1 {
            font-size: 3.5rem;
            font-weight: 700;
            margin-bottom: 20px;
        }
        @media (max-width: 768px) {
            .hero-section h1 {
                font-size: 2.5rem;
            }
        }
        .section-title {
            position: relative;
            padding-bottom: 15px;
            margin-bottom: 40px;
            text-align: center;
            font-weight: 700;
            color: var(--dark-color);
        }
        .section-title::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 50%;
            transform: translateX(-50%);
            width: 80px;
            height: 4px;
            background-color: var(--primary-color);
        }
        .card {
            border: none;
            box-shadow: 0 5px 15px rgba(0, 0, 0, 0.08);
            transition: var(--transition);
            height: 100%;
        }
        .card:hover {
            transform: translateY(-10px);
            box-shadow: 0 15px 30px rgba(0, 0, 0, 0.15);
        }
        .card-img-top {
            height: 200px;
            object-fit: cover;
        }
        .icon-box {
            width: 70px;
            height: 70px;
            background: var(--primary-color);
            color: white;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            margin: 0 auto 20px;
            font-size: 2rem;
        }
        .team-img {
            width: 150px;
            height: 150px;
            object-fit: cover;
            border-radius: 50%;
            border: 5px solid var(--light-color);
            box-shadow: 0 5px 15px rgba(0,0,0,0.1);
        }
        .testimonial-card {
            background: var(--light-color);
            border-left: 5px solid var(--primary-color);
            padding: 25px;
        }
        .friendlink {
            background-color: #f8f9fa;
            padding: 60px 0;
        }
        .flink {
            display: inline-block;
            background: white;
            padding: 12px 25px;
            margin: 10px;
            border-radius: 50px;
            text-decoration: none;
            color: var(--dark-color);
            font-weight: 500;
            box-shadow: 0 3px 10px rgba(0,0,0,0.08);
            transition: var(--transition);
        }
        .flink:hover {
            background: var(--primary-color);
            color: white;
            transform: translateY(-3px);
        }
        footer {
            background: var(--dark-color);
            color: white;
            padding: 60px 0 20px;
        }
        footer a {
            color: #adb5bd;
            text-decoration: none;
            transition: var(--transition);
        }
        footer a:hover {
            color: white;
        }
        .social-icons a {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 40px;
            height: 40px;
            background: rgba(255,255,255,0.1);
            border-radius: 50%;
            margin-right: 10px;
            color: white;
            transition: var(--transition);
        }
        .social-icons a:hover {
            background: var(--primary-color);
            transform: scale(1.1);
        }
        .contact-info i {
            width: 30px;
            color: var(--primary-color);
        }
        .btn-custom {
            background: var(--primary-color);
            color: white;
            padding: 12px 30px;
            border-radius: 50px;
            font-weight: 600;
            border: none;
            transition: var(--transition);
        }
        .btn-custom:hover {
            background: #c82333;
            color: white;
            transform: translateY(-3px);
            box-shadow: 0 10px 20px rgba(220, 53, 69, 0.2);
        }
        .accordion-button:not(.collapsed) {
            background-color: rgba(220, 53, 69, 0.1);
            color: var(--primary-color);
        }
        .stats-number {
            font-size: 3rem;
            font-weight: 700;
            color: var(--primary-color);
            line-height: 1;
        }
        .stats-label {
            font-size: 1rem;
            color: #6c757d;
            text-transform: uppercase;
            letter-spacing: 1px;
        }