:root {
            --primary-color: #1a237e;
            --secondary-color: #ff9800;
            --accent-color: #4caf50;
            --dark-color: #121212;
            --light-color: #f8f9fa;
            --text-color: #333;
            --shadow: 0 4px 12px rgba(0,0,0,0.1);
        }
        body {
            font-family: 'Noto Sans SC', 'Microsoft YaHei', sans-serif;
            color: var(--text-color);
            line-height: 1.7;
            overflow-x: hidden;
        }
        .navbar-brand {
            font-weight: 700;
            font-size: 1.8rem;
        }
        .nav-link {
            font-weight: 500;
            transition: color 0.3s;
        }
        .nav-link:hover, .nav-link.active {
            color: var(--secondary-color) !important;
        }
        .hero {
            background: linear-gradient(rgba(26, 35, 126, 0.85), rgba(26, 35, 126, 0.9)), url('https://images.unsplash.com/photo-1556056504-5c7696c4c28d?ixlib=rb-4.0.3&auto=format&fit=crop&w=1920&q=80') center/cover no-repeat;
            color: white;
            padding: 120px 0;
        }
        .hero h1 {
            font-size: 3.5rem;
            font-weight: 800;
            margin-bottom: 1.5rem;
        }
        @media (max-width: 768px) {
            .hero h1 { font-size: 2.5rem; }
        }
        .section-title {
            position: relative;
            padding-bottom: 15px;
            margin-bottom: 50px;
            text-align: center;
            font-weight: 700;
        }
        .section-title:after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 50%;
            transform: translateX(-50%);
            width: 80px;
            height: 4px;
            background: var(--secondary-color);
        }
        .card {
            border: none;
            border-radius: 12px;
            overflow: hidden;
            transition: transform 0.3s, box-shadow 0.3s;
            height: 100%;
        }
        .card:hover {
            transform: translateY(-10px);
            box-shadow: var(--shadow);
        }
        .card-icon {
            font-size: 3rem;
            color: var(--primary-color);
            margin-bottom: 1rem;
        }
        .feature-box {
            padding: 2rem;
            text-align: center;
            background: white;
            border-radius: 12px;
            height: 100%;
            box-shadow: 0 5px 15px rgba(0,0,0,0.05);
        }
        .prediction-card {
            border-left: 5px solid var(--accent-color);
            background: #f9f9f9;
            padding: 1.5rem;
            margin-bottom: 1.5rem;
            border-radius: 0 8px 8px 0;
        }
        .prediction-card.win {
            border-left-color: #4caf50;
        }
        .prediction-card.loss {
            border-left-color: #f44336;
        }
        .prediction-card.draw {
            border-left-color: #ff9800;
        }
        .team-member {
            text-align: center;
            margin-bottom: 2rem;
        }
        .team-member img {
            width: 150px;
            height: 150px;
            border-radius: 50%;
            object-fit: cover;
            border: 5px solid #eaeaea;
            margin-bottom: 1rem;
        }
        .friendlink {
            background: #f8f9fa;
            padding: 60px 0;
        }
        .flink {
            display: inline-block;
            background: white;
            padding: 12px 24px;
            margin: 8px;
            border-radius: 30px;
            color: var(--primary-color);
            text-decoration: none;
            font-weight: 500;
            transition: all 0.3s;
            box-shadow: 0 3px 10px rgba(0,0,0,0.08);
            border: 1px solid #e0e0e0;
        }
        .flink:hover {
            background: var(--primary-color);
            color: white;
            transform: translateY(-3px);
            text-decoration: none;
        }
        footer {
            background: var(--dark-color);
            color: #ddd;
            padding: 60px 0 20px;
        }
        footer a {
            color: #ddd;
            text-decoration: none;
            transition: color 0.3s;
        }
        footer a:hover {
            color: var(--secondary-color);
        }
        .social-icons a {
            display: inline-block;
            width: 40px;
            height: 40px;
            background: rgba(255,255,255,0.1);
            border-radius: 50%;
            text-align: center;
            line-height: 40px;
            margin-right: 10px;
            transition: background 0.3s;
        }
        .social-icons a:hover {
            background: var(--secondary-color);
        }
        .btn-primary {
            background: var(--primary-color);
            border: none;
            padding: 12px 30px;
            border-radius: 30px;
            font-weight: 600;
            transition: background 0.3s, transform 0.3s;
        }
        .btn-primary:hover {
            background: #0d1a6b;
            transform: translateY(-3px);
        }
        .btn-secondary {
            background: var(--secondary-color);
            border: none;
            padding: 12px 30px;
            border-radius: 30px;
            font-weight: 600;
            transition: background 0.3s, transform 0.3s;
        }
        .btn-secondary:hover {
            background: #e68900;
            transform: translateY(-3px);
        }
        .accordion-button:not(.collapsed) {
            background-color: rgba(26, 35, 126, 0.05);
            color: var(--primary-color);
            font-weight: 600;
        }
        .stat-number {
            font-size: 3rem;
            font-weight: 800;
            color: var(--primary-color);
            line-height: 1;
        }
        .news-card {
            border-bottom: 1px solid #eee;
            padding-bottom: 1.5rem;
            margin-bottom: 1.5rem;
        }
        .news-card:last-child {
            border-bottom: none;
        }
        .form-control {
            padding: 12px 15px;
            border-radius: 8px;
            border: 1px solid #ced4da;
        }
        .form-control:focus {
            border-color: var(--primary-color);
            box-shadow: 0 0 0 0.25rem rgba(26, 35, 126, 0.25);
        }