:root {
            --primary-color: #1a5fb4;
            --secondary-color: #e63946;
            --dark-color: #2c3e50;
            --light-color: #f8f9fa;
            --accent-color: #ffb703;
            --text-color: #333;
            --border-radius: 8px;
            --box-shadow: 0 5px 15px rgba(0, 0, 0, 0.08);
            --transition: all 0.3s ease;
        }
        body {
            font-family: 'Helvetica Neue', 'Microsoft YaHei', Arial, sans-serif;
            color: var(--text-color);
            line-height: 1.6;
            overflow-x: hidden;
            background-color: #fefefe;
        }
        .text-primary { color: var(--primary-color) !important; }
        .bg-primary { background-color: var(--primary-color) !important; }
        .bg-secondary { background-color: var(--secondary-color) !important; }
        .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);
            border-radius: 4px;
        }
        .navbar-nav .nav-link:hover,
        .navbar-nav .nav-link.active {
            background-color: rgba(26, 95, 180, 0.1);
            color: var(--primary-color) !important;
        }
        .hero-section {
            background: linear-gradient(135deg, rgba(26, 95, 180, 0.9) 0%, rgba(44, 62, 80, 0.9) 100%), url('https://images.unsplash.com/photo-1556056504-5c7696c4c28d?ixlib=rb-4.0.3&ixid=M3wxMjA3fDB8MHxwaG90by1wYWdlfHx8fGVufDB8fHx8fA%3D%3D&auto=format&fit=crop&w=1776&q=80');
            background-size: cover;
            background-position: center;
            color: white;
            padding: 8rem 0 6rem;
            min-height: 90vh;
            display: flex;
            align-items: center;
        }
        .hero-title {
            font-size: 3.5rem;
            font-weight: 800;
            margin-bottom: 1.5rem;
            line-height: 1.2;
            text-shadow: 0 2px 10px rgba(0, 0, 0, 0.2);
        }
        .hero-subtitle {
            font-size: 1.5rem;
            margin-bottom: 2.5rem;
            opacity: 0.9;
            max-width: 800px;
        }
        .btn-custom {
            background-color: var(--accent-color);
            color: var(--dark-color);
            border: none;
            padding: 0.8rem 2.5rem;
            font-weight: 600;
            border-radius: 50px;
            transition: var(--transition);
            box-shadow: 0 4px 15px rgba(255, 183, 3, 0.3);
        }
        .btn-custom:hover {
            transform: translateY(-3px);
            box-shadow: 0 7px 20px rgba(255, 183, 3, 0.4);
            background-color: #ffca3a;
            color: var(--dark-color);
        }
        .section-title {
            font-size: 2.5rem;
            font-weight: 700;
            margin-bottom: 3rem;
            position: relative;
            padding-bottom: 1rem;
        }
        .section-title:after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            width: 80px;
            height: 4px;
            background-color: var(--accent-color);
            border-radius: 2px;
        }
        .text-center .section-title:after {
            left: 50%;
            transform: translateX(-50%);
        }
        .feature-card {
            border: none;
            border-radius: var(--border-radius);
            box-shadow: var(--box-shadow);
            transition: var(--transition);
            height: 100%;
            overflow: hidden;
        }
        .feature-card:hover {
            transform: translateY(-10px);
            box-shadow: 0 15px 30px rgba(0, 0, 0, 0.15);
        }
        .feature-icon {
            width: 70px;
            height: 70px;
            border-radius: 50%;
            background-color: rgba(26, 95, 180, 0.1);
            display: flex;
            align-items: center;
            justify-content: center;
            margin-bottom: 1.5rem;
            font-size: 1.8rem;
            color: var(--primary-color);
        }
        .service-card {
            border-radius: var(--border-radius);
            overflow: hidden;
            box-shadow: var(--box-shadow);
            transition: var(--transition);
            height: 100%;
            border: 1px solid rgba(0, 0, 0, 0.05);
        }
        .service-card:hover {
            transform: translateY(-5px);
            box-shadow: 0 10px 25px rgba(0, 0, 0, 0.1);
        }
        .service-card img {
            height: 220px;
            object-fit: cover;
            width: 100%;
        }
        .card-body {
            padding: 2rem;
        }
        .news-card {
            border-radius: var(--border-radius);
            overflow: hidden;
            box-shadow: var(--box-shadow);
            transition: var(--transition);
            height: 100%;
            border: none;
        }
        .news-card:hover {
            transform: translateY(-5px);
        }
        .news-date {
            color: var(--secondary-color);
            font-weight: 600;
            font-size: 0.9rem;
        }
        .stats-box {
            background-color: var(--primary-color);
            color: white;
            border-radius: var(--border-radius);
            padding: 2.5rem;
            text-align: center;
            box-shadow: var(--box-shadow);
            transition: var(--transition);
        }
        .stats-box:hover {
            transform: translateY(-5px);
            box-shadow: 0 10px 25px rgba(26, 95, 180, 0.2);
        }
        .stats-number {
            font-size: 3.5rem;
            font-weight: 800;
            margin-bottom: 0.5rem;
            line-height: 1;
        }
        .stats-label {
            font-size: 1.2rem;
            opacity: 0.9;
        }
        .contact-info-box {
            background-color: var(--light-color);
            border-radius: var(--border-radius);
            padding: 2rem;
            height: 100%;
            border-left: 4px solid var(--primary-color);
            box-shadow: var(--box-shadow);
        }
        .contact-icon {
            width: 50px;
            height: 50px;
            border-radius: 50%;
            background-color: rgba(26, 95, 180, 0.1);
            display: flex;
            align-items: center;
            justify-content: center;
            margin-bottom: 1rem;
            color: var(--primary-color);
            font-size: 1.3rem;
        }
        .flink {
            display: inline-block;
            background-color: var(--light-color);
            padding: 0.8rem 1.8rem;
            border-radius: 50px;
            color: var(--dark-color);
            text-decoration: none;
            font-weight: 500;
            margin: 0.5rem;
            transition: var(--transition);
            border: 1px solid #eaeaea;
        }
        .flink:hover {
            background-color: var(--primary-color);
            color: white;
            transform: translateY(-3px);
            box-shadow: 0 5px 15px rgba(26, 95, 180, 0.2);
        }
        .footer {
            background-color: var(--dark-color);
            color: white;
            padding-top: 4rem;
            padding-bottom: 2rem;
        }
        .footer a {
            color: rgba(255, 255, 255, 0.8);
            text-decoration: none;
            transition: var(--transition);
        }
        .footer a:hover {
            color: white;
            padding-left: 5px;
        }
        .footer-title {
            font-size: 1.3rem;
            margin-bottom: 1.5rem;
            padding-bottom: 0.8rem;
            border-bottom: 2px solid rgba(255, 255, 255, 0.1);
        }
        .copyright {
            background-color: rgba(0, 0, 0, 0.2);
            padding: 1.5rem 0;
            margin-top: 3rem;
            text-align: center;
            color: rgba(255, 255, 255, 0.7);
            font-size: 0.9rem;
        }
        .back-to-top {
            position: fixed;
            bottom: 30px;
            right: 30px;
            width: 50px;
            height: 50px;
            border-radius: 50%;
            background-color: var(--primary-color);
            color: white;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.2rem;
            z-index: 1000;
            opacity: 0;
            visibility: hidden;
            transition: var(--transition);
            box-shadow: 0 3px 10px rgba(26, 95, 180, 0.3);
        }
        .back-to-top.active {
            opacity: 1;
            visibility: visible;
        }
        .back-to-top:hover {
            background-color: var(--secondary-color);
            color: white;
            transform: translateY(-3px);
        }
        .prediction-match {
            background: linear-gradient(135deg, #f8f9fa 0%, #e9ecef 100%);
            border-radius: var(--border-radius);
            padding: 2rem;
            margin-bottom: 2rem;
            border-left: 5px solid var(--accent-color);
        }
        .match-teams {
            font-size: 1.5rem;
            font-weight: 700;
            color: var(--dark-color);
        }
        .match-competition {
            color: var(--secondary-color);
            font-weight: 600;
            margin-bottom: 1rem;
        }
        .prediction-badge {
            background-color: var(--accent-color);
            color: var(--dark-color);
            font-weight: 700;
            padding: 0.5rem 1.5rem;
            border-radius: 50px;
            display: inline-block;
            margin-top: 1rem;
        }
        @media (max-width: 768px) {
            .hero-title {
                font-size: 2.5rem;
            }
            .hero-subtitle {
                font-size: 1.2rem;
            }
            .section-title {
                font-size: 2rem;
            }
            .stats-number {
                font-size: 2.8rem;
            }
        }
        @media (max-width: 576px) {
            .hero-title {
                font-size: 2rem;
            }
            .section-title {
                font-size: 1.8rem;
            }
            .flink {
                display: block;
                margin: 0.5rem 0;
                text-align: center;
            }
        }