:root {
            --primary-color: #2563eb;
            --secondary-color: #0ea5e9;
            --accent-color: #f97316;
            --dark-color: #1e293b;
            --light-color: #f8fafc;
            --success-color: #10b981;
        }
        body {
            font-family: 'Helvetica Neue', Arial, 'PingFang SC', 'Microsoft YaHei', sans-serif;
            color: #334155;
            line-height: 1.7;
        }
        .hero-section {
            background: linear-gradient(135deg, rgba(37, 99, 235, 0.9) 0%, rgba(14, 165, 233, 0.85) 100%), url('https://images.unsplash.com/photo-1503386435952-d7918b99fad0?ixlib=rb-4.0.3&auto=format&fit=crop&w=1920&q=80') center/cover no-repeat;
            color: white;
            padding: 8rem 0;
        }
        .section-title {
            position: relative;
            padding-bottom: 1rem;
            margin-bottom: 3rem;
            font-weight: 700;
        }
        .section-title::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            width: 80px;
            height: 4px;
            background: var(--accent-color);
            border-radius: 2px;
        }
        .text-center .section-title::after {
            left: 50%;
            transform: translateX(-50%);
        }
        .nav-link {
            font-weight: 500;
            transition: color 0.3s ease;
        }
        .nav-link:hover, .nav-link.active {
            color: var(--primary-color) !important;
        }
        .card-hover {
            transition: transform 0.3s ease, box-shadow 0.3s ease;
            border: none;
            box-shadow: 0 5px 15px rgba(0, 0, 0, 0.05);
        }
        .card-hover:hover {
            transform: translateY(-10px);
            box-shadow: 0 15px 30px rgba(37, 99, 235, 0.15);
        }
        .btn-primary {
            background-color: var(--primary-color);
            border-color: var(--primary-color);
            padding: 0.75rem 2rem;
            font-weight: 600;
            transition: all 0.3s ease;
        }
        .btn-primary:hover {
            background-color: #1d4ed8;
            border-color: #1d4ed8;
            transform: translateY(-2px);
        }
        .process-step {
            position: relative;
            text-align: center;
            padding: 2rem;
            background: white;
            border-radius: 1rem;
            box-shadow: 0 5px 15px rgba(0, 0, 0, 0.05);
            height: 100%;
        }
        .step-number {
            width: 60px;
            height: 60px;
            background: var(--primary-color);
            color: white;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.75rem;
            font-weight: bold;
            margin: 0 auto 1.5rem;
        }
        .flink {
            display: inline-block;
            padding: 0.5rem 1.5rem;
            margin: 0.5rem;
            background: #f1f5f9;
            border-radius: 50px;
            color: var(--dark-color);
            text-decoration: none;
            transition: all 0.3s ease;
            font-weight: 500;
        }
        .flink:hover {
            background: var(--primary-color);
            color: white;
            transform: translateY(-3px);
        }
        footer a {
            color: #cbd5e1;
            text-decoration: none;
            transition: color 0.3s ease;
        }
        footer a:hover {
            color: white;
        }
        .contact-info-box {
            background: white;
            border-radius: 1rem;
            padding: 2rem;
            box-shadow: 0 5px 15px rgba(0, 0, 0, 0.05);
            text-align: center;
            height: 100%;
            transition: transform 0.3s ease;
        }
        .contact-info-box:hover {
            transform: translateY(-5px);
        }
        .contact-icon {
            width: 70px;
            height: 70px;
            background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            margin: 0 auto 1.5rem;
            color: white;
            font-size: 1.75rem;
        }
        .coach-card {
            overflow: hidden;
            border-radius: 1rem;
        }
        .coach-img {
            height: 300px;
            object-fit: cover;
            transition: transform 0.5s ease;
        }
        .coach-card:hover .coach-img {
            transform: scale(1.05);
        }
        .stat-number {
            font-size: 3rem;
            font-weight: 800;
            background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            line-height: 1;
        }
        .news-card {
            border: none;
            border-radius: 1rem;
            overflow: hidden;
            height: 100%;
        }
        .news-card img {
            height: 220px;
            object-fit: cover;
        }
        .news-date {
            position: absolute;
            top: 1rem;
            left: 1rem;
            background: var(--primary-color);
            color: white;
            padding: 0.5rem 1rem;
            border-radius: 50px;
            font-size: 0.875rem;
        }
        .testimonial-card {
            background: white;
            border-radius: 1rem;
            padding: 2rem;
            box-shadow: 0 10px 30px rgba(0, 0, 0, 0.08);
            height: 100%;
        }
        .testimonial-avatar {
            width: 70px;
            height: 70px;
            border-radius: 50%;
            object-fit: cover;
            border: 4px solid #e2e8f0;
        }
        @media (max-width: 768px) {
            .hero-section {
                padding: 5rem 0;
            }
            .stat-number {
                font-size: 2.5rem;
            }
            .section-title {
                font-size: 1.75rem;
            }
        }