:root {
            --primary-color: #1e3a8a;
            --secondary-color: #dc2626;
            --accent-color: #f59e0b;
            --light-color: #f8fafc;
            --dark-color: #0f172a;
            --text-color: #334155;
            --border-radius: 12px;
            --box-shadow: 0 10px 25px rgba(0, 0, 0, 0.08);
            --transition: all 0.3s ease;
        }
        body {
            font-family: 'Segoe UI', 'Microsoft YaHei', sans-serif;
            color: var(--text-color);
            line-height: 1.8;
            overflow-x: hidden;
        }
        h1, h2, h3, h4, h5, h6 {
            color: var(--dark-color);
            font-weight: 700;
            margin-bottom: 1.2rem;
        }
        .navbar-brand {
            font-weight: 800;
            font-size: 1.8rem;
            color: var(--primary-color) !important;
        }
        .navbar-brand span {
            color: var(--secondary-color);
        }
        .hero-section {
            background: linear-gradient(rgba(30, 58, 138, 0.9), rgba(220, 38, 38, 0.85)), url('https://images.unsplash.com/photo-1575361204480-aadea25e6e68?ixlib=rb-4.0.3&auto=format&fit=crop&w=2071&q=80');
            background-size: cover;
            background-position: center;
            color: white;
            padding: 8rem 0;
            margin-top: 76px;
        }
        .hero-section h1 {
            color: white;
            font-size: 3.5rem;
            text-shadow: 2px 2px 8px rgba(0, 0, 0, 0.5);
        }
        @media (max-width: 768px) {
            .hero-section h1 {
                font-size: 2.5rem;
            }
        }
        .section-title {
            position: relative;
            padding-bottom: 1rem;
            margin-bottom: 3rem;
            text-align: center;
        }
        .section-title:after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 50%;
            transform: translateX(-50%);
            width: 80px;
            height: 4px;
            background: var(--secondary-color);
            border-radius: 2px;
        }
        .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 35px rgba(0, 0, 0, 0.15);
        }
        .feature-icon {
            font-size: 3rem;
            color: var(--primary-color);
            margin-bottom: 1.5rem;
        }
        .prediction-card {
            background: linear-gradient(135deg, #f8fafc 0%, #e2e8f0 100%);
            border-left: 6px solid var(--secondary-color);
            border-radius: var(--border-radius);
            padding: 2.5rem;
            margin-bottom: 2rem;
        }
        .team-flag {
            width: 80px;
            height: 50px;
            object-fit: cover;
            border-radius: 4px;
            box-shadow: 0 4px 8px rgba(0,0,0,0.1);
            margin: 0 1rem;
        }
        .match-score {
            font-size: 3.5rem;
            font-weight: 800;
            color: var(--secondary-color);
            text-shadow: 1px 1px 3px rgba(0,0,0,0.2);
        }
        .data-stat {
            font-size: 2.2rem;
            font-weight: 700;
            color: var(--primary-color);
        }
        .data-label {
            font-size: 0.9rem;
            text-transform: uppercase;
            letter-spacing: 1px;
            color: #64748b;
        }
        .analyst-card {
            text-align: center;
            padding: 2rem;
            border-radius: var(--border-radius);
            background: white;
            box-shadow: var(--box-shadow);
            transition: var(--transition);
        }
        .analyst-card:hover {
            transform: scale(1.03);
        }
        .analyst-img {
            width: 120px;
            height: 120px;
            border-radius: 50%;
            object-fit: cover;
            border: 5px solid var(--light-color);
            margin: 0 auto 1.5rem;
            box-shadow: 0 8px 16px rgba(0,0,0,0.1);
        }
        .btn-primary-custom {
            background: linear-gradient(to right, var(--primary-color), #2563eb);
            color: white;
            border: none;
            border-radius: 50px;
            padding: 0.8rem 2.5rem;
            font-weight: 600;
            transition: var(--transition);
        }
        .btn-primary-custom:hover {
            background: linear-gradient(to right, #1e40af, var(--primary-color));
            color: white;
            transform: translateY(-3px);
            box-shadow: 0 10px 20px rgba(30, 64, 175, 0.3);
        }
        .footer {
            background-color: var(--dark-color);
            color: #cbd5e1;
            padding: 4rem 0 2rem;
        }
        .footer a {
            color: #cbd5e1;
            text-decoration: none;
            transition: var(--transition);
        }
        .footer a:hover {
            color: white;
            text-decoration: underline;
        }
        .friendlink a.flink {
            display: inline-block;
            padding: 0.5rem 1.5rem;
            margin: 0.5rem;
            background-color: #e2e8f0;
            border-radius: 30px;
            color: var(--text-color);
            text-decoration: none;
            transition: var(--transition);
            font-weight: 500;
        }
        .friendlink a.flink:hover {
            background-color: var(--primary-color);
            color: white;
            transform: translateY(-2px);
        }
        .article-content {
            font-size: 1.1rem;
            line-height: 1.9;
        }
        .article-content h3 {
            color: var(--primary-color);
            margin-top: 2.5rem;
            padding-bottom: 0.5rem;
            border-bottom: 2px solid #e2e8f0;
        }
        .timeline {
            position: relative;
            padding-left: 2rem;
            border-left: 3px solid var(--primary-color);
            margin: 3rem 0;
        }
        .timeline-item {
            position: relative;
            margin-bottom: 2.5rem;
        }
        .timeline-item:before {
            content: '';
            position: absolute;
            left: -2.5rem;
            top: 0.5rem;
            width: 16px;
            height: 16px;
            border-radius: 50%;
            background-color: var(--secondary-color);
            border: 3px solid white;
            box-shadow: 0 0 0 3px var(--secondary-color);
        }
        .table-custom {
            border-collapse: separate;
            border-spacing: 0;
            border-radius: var(--border-radius);
            overflow: hidden;
            box-shadow: var(--box-shadow);
        }
        .table-custom thead th {
            background-color: var(--primary-color);
            color: white;
            border: none;
            padding: 1.2rem;
        }
        .table-custom tbody tr:nth-child(even) {
            background-color: #f8fafc;
        }
        .table-custom tbody td {
            padding: 1.2rem;
            border-top: 1px solid #e2e8f0;
            vertical-align: middle;
        }
        .highlight {
            background-color: #fef3c7;
            padding: 0.2rem 0.5rem;
            border-radius: 4px;
            font-weight: 600;
            color: #92400e;
        }
        .news-card {
            border-radius: var(--border-radius);
            overflow: hidden;
            box-shadow: var(--box-shadow);
            transition: var(--transition);
            height: 100%;
        }
        .news-card:hover {
            transform: translateY(-8px);
        }
        .news-img {
            height: 220px;
            object-fit: cover;
            width: 100%;
        }
        .news-date {
            position: absolute;
            top: 1rem;
            left: 1rem;
            background-color: var(--secondary-color);
            color: white;
            padding: 0.3rem 1rem;
            border-radius: 30px;
            font-size: 0.9rem;
            font-weight: 600;
        }
        .contact-info {
            padding: 2rem;
            background-color: #f8fafc;
            border-radius: var(--border-radius);
            height: 100%;
        }
        .contact-icon {
            font-size: 2.5rem;
            color: var(--primary-color);
            margin-bottom: 1.5rem;
        }
        .seo-content {
            background-color: #f8fafc;
            border-radius: var(--border-radius);
            padding: 3rem;
            margin: 3rem 0;
            border-left: 6px solid var(--accent-color);
        }
        .back-to-top {
            position: fixed;
            bottom: 30px;
            right: 30px;
            width: 50px;
            height: 50px;
            background-color: var(--primary-color);
            color: white;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.5rem;
            text-decoration: none;
            z-index: 1000;
            opacity: 0;
            transition: var(--transition);
            box-shadow: 0 4px 12px rgba(30, 58, 138, 0.3);
        }
        .back-to-top.show {
            opacity: 1;
        }
        .back-to-top:hover {
            background-color: var(--secondary-color);
            transform: translateY(-5px);
        }