:root {
            --primary-color: #1e3a8a;
            --secondary-color: #dc2626;
            --accent-color: #f59e0b;
            --light-bg: #f8fafc;
            --dark-text: #1e293b;
            --gray-border: #e2e8f0;
        }
        body {
            font-family: 'Microsoft YaHei', 'PingFang SC', sans-serif;
            color: var(--dark-text);
            line-height: 1.6;
            overflow-x: hidden;
        }
        .navbar-brand {
            font-weight: 700;
            font-size: 1.8rem;
            color: var(--primary-color) !important;
        }
        .nav-link {
            font-weight: 500;
            transition: color 0.3s;
        }
        .nav-link:hover {
            color: var(--secondary-color) !important;
        }
        .hero-section {
            background: linear-gradient(rgba(30, 58, 138, 0.9), rgba(30, 58, 138, 0.8)), url('https://images.unsplash.com/photo-1556056504-5c7696c4c28d?ixlib=rb-4.0.3&auto=format&fit=crop&w=1920&q=80');
            background-size: cover;
            background-position: center;
            color: white;
            padding: 120px 0 80px;
            margin-top: 76px;
        }
        .hero-title {
            font-size: 3.5rem;
            font-weight: 800;
            margin-bottom: 1.5rem;
            text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.3);
        }
        @media (max-width: 768px) {
            .hero-title {
                font-size: 2.5rem;
            }
        }
        .feature-icon {
            width: 70px;
            height: 70px;
            background: var(--primary-color);
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            margin: 0 auto 1.5rem;
            color: white;
            font-size: 1.8rem;
            transition: transform 0.3s, background-color 0.3s;
        }
        .feature-card:hover .feature-icon {
            transform: scale(1.1);
            background-color: var(--secondary-color);
        }
        .feature-card {
            border: 1px solid var(--gray-border);
            border-radius: 12px;
            padding: 2rem;
            height: 100%;
            transition: transform 0.3s, box-shadow 0.3s;
        }
        .feature-card:hover {
            transform: translateY(-10px);
            box-shadow: 0 15px 30px rgba(0, 0, 0, 0.1);
        }
        .section-title {
            position: relative;
            padding-bottom: 1rem;
            margin-bottom: 3rem;
            font-weight: 700;
            color: var(--primary-color);
        }
        .section-title:after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            width: 80px;
            height: 4px;
            background: var(--secondary-color);
            border-radius: 2px;
        }
        .section-title.center:after {
            left: 50%;
            transform: translateX(-50%);
        }
        .match-card {
            background: white;
            border-radius: 10px;
            overflow: hidden;
            box-shadow: 0 5px 15px rgba(0, 0, 0, 0.05);
            transition: transform 0.3s;
            margin-bottom: 1.5rem;
        }
        .match-card:hover {
            transform: translateY(-5px);
            box-shadow: 0 10px 25px rgba(0, 0, 0, 0.1);
        }
        .match-header {
            background: var(--primary-color);
            color: white;
            padding: 0.8rem 1.5rem;
            font-weight: 600;
        }
        .match-body {
            padding: 1.5rem;
        }
        .team-logo {
            width: 50px;
            height: 50px;
            object-fit: contain;
        }
        .score-display {
            font-size: 2rem;
            font-weight: 700;
            color: var(--secondary-color);
        }
        .news-card {
            border-left: 4px solid var(--primary-color);
            padding: 1.5rem;
            background: white;
            border-radius: 0 8px 8px 0;
            margin-bottom: 1.5rem;
            transition: transform 0.3s;
        }
        .news-card:hover {
            transform: translateX(5px);
            border-left-color: var(--secondary-color);
        }
        .news-date {
            color: var(--secondary-color);
            font-weight: 600;
            font-size: 0.9rem;
        }
        .btn-primary {
            background-color: var(--primary-color);
            border-color: var(--primary-color);
            padding: 0.6rem 2rem;
            font-weight: 600;
            transition: all 0.3s;
        }
        .btn-primary:hover {
            background-color: var(--secondary-color);
            border-color: var(--secondary-color);
            transform: translateY(-3px);
            box-shadow: 0 7px 14px rgba(220, 38, 38, 0.2);
        }
        .footer {
            background: #0f172a;
            color: #cbd5e1;
            padding: 4rem 0 2rem;
        }
        .footer-title {
            color: white;
            font-size: 1.3rem;
            margin-bottom: 1.5rem;
            position: relative;
            padding-bottom: 0.8rem;
        }
        .footer-title:after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            width: 50px;
            height: 3px;
            background: var(--secondary-color);
        }
        .footer-links a {
            color: #94a3b8;
            text-decoration: none;
            display: block;
            margin-bottom: 0.8rem;
            transition: color 0.3s;
        }
        .footer-links a:hover {
            color: white;
            padding-left: 5px;
        }
        .copyright {
            border-top: 1px solid #334155;
            padding-top: 1.5rem;
            margin-top: 3rem;
            font-size: 0.9rem;
            color: #94a3b8;
        }
        .flink {
            display: inline-block;
            background: #f1f5f9;
            color: var(--primary-color);
            padding: 0.5rem 1.5rem;
            border-radius: 30px;
            margin: 0.5rem;
            text-decoration: none;
            font-weight: 500;
            transition: all 0.3s;
            border: 1px solid #e2e8f0;
        }
        .flink:hover {
            background: var(--primary-color);
            color: white;
            transform: translateY(-3px);
            box-shadow: 0 5px 15px rgba(30, 58, 138, 0.2);
        }
        .contact-info {
            background: var(--light-bg);
            border-radius: 10px;
            padding: 2rem;
            margin-top: 2rem;
        }
        .contact-icon {
            width: 50px;
            height: 50px;
            background: var(--primary-color);
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            color: white;
            font-size: 1.3rem;
            margin-bottom: 1rem;
        }
        .stat-number {
            font-size: 2.5rem;
            font-weight: 700;
            color: var(--primary-color);
            margin-bottom: 0.5rem;
        }
        .stat-label {
            color: #64748b;
            font-size: 1rem;
            font-weight: 500;
        }
        .league-table {
            background: white;
            border-radius: 10px;
            overflow: hidden;
            box-shadow: 0 5px 15px rgba(0, 0, 0, 0.05);
        }
        .table-header {
            background: var(--primary-color);
            color: white;
            padding: 1rem;
            font-weight: 600;
        }
        .table-row {
            padding: 1rem;
            border-bottom: 1px solid var(--gray-border);
            transition: background 0.3s;
        }
        .table-row:hover {
            background: #f8fafc;
        }
        .table-row:nth-child(even) {
            background: #f8fafc;
        }
        .table-row:hover:nth-child(even) {
            background: #f1f5f9;
        }
        .team-rank {
            width: 40px;
            height: 40px;
            border-radius: 50%;
            background: #e2e8f0;
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 700;
        }
        .rank-1, .rank-2, .rank-3 {
            color: white;
        }
        .rank-1 {
            background: #f59e0b;
        }
        .rank-2 {
            background: #64748b;
        }
        .rank-3 {
            background: #92400e;
        }
        .highlight-text {
            color: var(--secondary-color);
            font-weight: 600;
        }
        .animate-on-scroll {
            opacity: 0;
            transform: translateY(30px);
            transition: opacity 0.8s, transform 0.8s;
        }
        .animate-on-scroll.visible {
            opacity: 1;
            transform: translateY(0);
        }
        .back-to-top {
            position: fixed;
            bottom: 30px;
            right: 30px;
            width: 50px;
            height: 50px;
            background: var(--primary-color);
            color: white;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.3rem;
            cursor: pointer;
            opacity: 0;
            visibility: hidden;
            transition: all 0.3s;
            z-index: 1000;
        }
        .back-to-top.show {
            opacity: 1;
            visibility: visible;
        }
        .back-to-top:hover {
            background: var(--secondary-color);
            transform: translateY(-5px);
        }
        .loading-spinner {
            display: inline-block;
            width: 20px;
            height: 20px;
            border: 3px solid rgba(255,255,255,.3);
            border-radius: 50%;
            border-top-color: white;
            animation: spin 1s ease-in-out infinite;
            margin-right: 10px;
        }
        @keyframes spin {
            to { transform: rotate(360deg); }
        }
        .form-control:focus {
            border-color: var(--primary-color);
            box-shadow: 0 0 0 0.25rem rgba(30, 58, 138, 0.25);
        }