:root {
            --primary-color: #1e3a8a;
            --secondary-color: #dc2626;
            --accent-color: #f59e0b;
            --light-color: #f8fafc;
            --dark-color: #0f172a;
        }
        body {
            font-family: 'Helvetica Neue', 'Microsoft YaHei', sans-serif;
            color: #333;
            background-color: var(--light-color);
            line-height: 1.6;
        }
        .navbar-brand {
            font-weight: 700;
            font-size: 1.5rem;
            color: var(--primary-color) !important;
        }
        .hero-section {
            background: linear-gradient(rgba(15, 23, 42, 0.85), rgba(30, 58, 138, 0.9)), url('https://images.unsplash.com/photo-1556056504-5c7696c4c28d?ixlib=rb-4.0.3&auto=format&fit=crop&w=1600&q=80') no-repeat center center/cover;
            color: white;
            padding: 6rem 0;
        }
        .section-title {
            position: relative;
            padding-bottom: 15px;
            margin-bottom: 2.5rem;
            color: var(--primary-color);
            font-weight: 700;
        }
        .section-title::after {
            content: '';
            position: absolute;
            left: 0;
            bottom: 0;
            width: 70px;
            height: 4px;
            background-color: var(--secondary-color);
        }
        .text-center .section-title::after {
            left: 50%;
            transform: translateX(-50%);
        }
        .card {
            border: none;
            border-radius: 12px;
            box-shadow: 0 5px 15px rgba(0, 0, 0, 0.08);
            transition: transform 0.3s ease, box-shadow 0.3s ease;
            height: 100%;
        }
        .card:hover {
            transform: translateY(-10px);
            box-shadow: 0 15px 30px rgba(0, 0, 0, 0.15);
        }
        .card-icon {
            font-size: 2.5rem;
            color: var(--secondary-color);
            margin-bottom: 1rem;
        }
        .team-logo {
            width: 80px;
            height: 80px;
            object-fit: contain;
            margin: 0 auto 1rem;
        }
        .live-badge {
            position: absolute;
            top: -10px;
            right: -10px;
            background-color: var(--secondary-color);
            color: white;
            border-radius: 50px;
            padding: 0.25rem 0.75rem;
            font-size: 0.75rem;
            font-weight: bold;
            animation: pulse 1.5s infinite;
        }
        @keyframes pulse {
            0% { box-shadow: 0 0 0 0 rgba(220, 38, 38, 0.7); }
            70% { box-shadow: 0 0 0 10px rgba(220, 38, 38, 0); }
            100% { box-shadow: 0 0 0 0 rgba(220, 38, 38, 0); }
        }
        .prediction-meter {
            height: 20px;
            border-radius: 10px;
            background-color: #e5e7eb;
            overflow: hidden;
            margin: 1rem 0;
        }
        .meter-fill {
            height: 100%;
            border-radius: 10px;
            transition: width 1s ease-in-out;
        }
        .fill-capeverde { background-color: #3b82f6; }
        .fill-saudi { background-color: #10b981; }
        .fill-draw { background-color: #f59e0b; }
        .table-hover tbody tr:hover {
            background-color: rgba(30, 58, 138, 0.05);
        }
        .friendlink a.flink {
            display: inline-block;
            padding: 0.5rem 1.25rem;
            margin: 0.5rem;
            background-color: white;
            border-radius: 50px;
            color: var(--dark-color);
            text-decoration: none;
            border: 1px solid #e5e7eb;
            transition: all 0.3s ease;
            font-weight: 500;
        }
        .friendlink a.flink:hover {
            background-color: var(--primary-color);
            color: white;
            border-color: var(--primary-color);
            transform: scale(1.05);
        }
        footer {
            background-color: var(--dark-color);
            color: #cbd5e1;
        }
        footer a {
            color: #cbd5e1;
            text-decoration: none;
            transition: color 0.3s ease;
        }
        footer a:hover {
            color: white;
        }
        .social-icon {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 40px;
            height: 40px;
            border-radius: 50%;
            background-color: rgba(255, 255, 255, 0.1);
            margin-right: 0.75rem;
            transition: background-color 0.3s ease;
        }
        .social-icon:hover {
            background-color: var(--secondary-color);
        }
        .btn-custom {
            background-color: var(--secondary-color);
            color: white;
            border: none;
            padding: 0.75rem 2rem;
            border-radius: 50px;
            font-weight: 600;
            transition: background-color 0.3s ease, transform 0.3s ease;
        }
        .btn-custom:hover {
            background-color: #b91c1c;
            color: white;
            transform: translateY(-2px);
        }
        .analysis-tab .nav-link {
            color: var(--dark-color);
            font-weight: 500;
            border: none;
            border-bottom: 3px solid transparent;
            margin: 0 0.5rem;
        }
        .analysis-tab .nav-link.active {
            color: var(--primary-color);
            border-bottom-color: var(--secondary-color);
            background-color: transparent;
        }
        @media (max-width: 768px) {
            .hero-section h1 { font-size: 2rem; }
            .section-title { font-size: 1.75rem; }
        }