:root {
            --primary-color: #1a365d;
            --secondary-color: #e53e3e;
            --accent-color: #38a169;
            --light-color: #f7fafc;
            --dark-color: #2d3748;
        }
        body {
            font-family: 'Noto Sans SC', 'Microsoft YaHei', sans-serif;
            line-height: 1.8;
            color: var(--dark-color);
            overflow-x: hidden;
        }
        .navbar-brand {
            font-weight: 700;
            font-size: 1.5rem;
            color: var(--primary-color);
        }
        .hero-section {
            background: linear-gradient(135deg, var(--primary-color) 0%, #2c5282 100%);
            color: white;
            padding: 100px 0;
            position: relative;
            overflow: hidden;
        }
        .hero-section::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background-image: url('data:image/svg+xml;base64,PHN2ZyB3aWR0aD0iMTAwJSIgaGVpZ2h0PSIxMDAlIiB4bWxucz0iaHR0cDovL3d3dy53My5vcmcvMjAwMC9zdmciPjxkZWZzPjxwYXR0ZXJuIGlkPSJwYXR0ZXJuIiB3aWR0aD0iNDAiIGhlaWdodD0iNDAiIHBhdHRlcm5Vbml0cz0idXNlclNwYWNlT25Vc2UiIHBhdHRlcm5UcmFuc2Zvcm09InJvdGF0ZSg0NSkiPjxyZWN0IHdpZHRoPSIyMCIgaGVpZ2h0PSIyMCIgZmlsbD0icmdiYSgyNTUsMjU1LDI1NSwwLjA1KSIvPjwvcGF0dGVybj48L2RlZnM+PHJlY3Qgd2lkdGg9IjEwMCUiIGhlaWdodD0iMTAwJSIgZmlsbD0idXJsKCNwYXR0ZXJuKSIvPjwvc3ZnPg==');
        }
        .section-title {
            position: relative;
            padding-bottom: 15px;
            margin-bottom: 40px;
            color: var(--primary-color);
            font-weight: 700;
        }
        .section-title::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            width: 80px;
            height: 4px;
            background: var(--secondary-color);
            border-radius: 2px;
        }
        .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;
            overflow: hidden;
        }
        .card:hover {
            transform: translateY(-10px);
            box-shadow: 0 15px 30px rgba(0, 0, 0, 0.15);
        }
        .card-icon {
            width: 70px;
            height: 70px;
            border-radius: 50%;
            background: var(--primary-color);
            color: white;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.8rem;
            margin: 0 auto 20px;
        }
        .prediction-card {
            border-left: 5px solid var(--secondary-color);
            background: linear-gradient(to right, #fff, #fef2f2);
        }
        .stat-box {
            background: var(--light-color);
            border-radius: 10px;
            padding: 25px;
            text-align: center;
            height: 100%;
        }
        .flink {
            display: inline-block;
            padding: 10px 20px;
            margin: 5px;
            background: #f8f9fa;
            border-radius: 8px;
            color: var(--primary-color);
            text-decoration: none;
            transition: all 0.3s ease;
            border: 1px solid #e9ecef;
        }
        .flink:hover {
            background: var(--primary-color);
            color: white;
            transform: translateY(-3px);
        }
        .footer {
            background: var(--primary-color);
            color: white;
            padding: 60px 0 30px;
        }
        .footer a {
            color: #cbd5e0;
            text-decoration: none;
            transition: color 0.3s ease;
        }
        .footer a:hover {
            color: white;
            text-decoration: underline;
        }
        .social-icons a {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 40px;
            height: 40px;
            border-radius: 50%;
            background: rgba(255, 255, 255, 0.1);
            color: white;
            margin: 0 5px;
            transition: all 0.3s ease;
        }
        .social-icons a:hover {
            background: var(--secondary-color);
            transform: translateY(-3px);
        }
        .news-item {
            border-bottom: 1px solid #e9ecef;
            padding: 20px 0;
            transition: background 0.3s ease;
        }
        .news-item:hover {
            background: #f8f9fa;
        }
        .team-logo {
            width: 80px;
            height: 80px;
            border-radius: 50%;
            background: #f1f1f1;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 2rem;
            margin: 0 auto;
            border: 3px solid #e9ecef;
        }
        @media (max-width: 768px) {
            .hero-section {
                padding: 60px 0;
            }
            .section-title {
                font-size: 1.8rem;
            }
            .team-logo {
                width: 60px;
                height: 60px;
                font-size: 1.5rem;
            }
        }
        .sticky-nav {
            position: sticky;
            top: 0;
            z-index: 1020;
            backdrop-filter: blur(10px);
            background-color: rgba(255, 255, 255, 0.95);
            box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
        }
        .highlight-text {
            color: var(--secondary-color);
            font-weight: 700;
        }
        .btn-custom {
            background: var(--secondary-color);
            color: white;
            padding: 10px 25px;
            border-radius: 8px;
            font-weight: 600;
            border: none;
            transition: all 0.3s ease;
        }
        .btn-custom:hover {
            background: #c53030;
            color: white;
            transform: translateY(-3px);
            box-shadow: 0 5px 15px rgba(229, 62, 62, 0.3);
        }
        .content-section {
            padding: 80px 0;
        }
        .content-section:nth-child(even) {
            background: #f8f9fa;
        }
