:root {
            --primary-color: #0d47a1;
            --secondary-color: #ff6f00;
            --accent-color: #1e88e5;
            --light-color: #f8f9fa;
            --dark-color: #212529;
            --shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
            --transition: all 0.3s ease;
        }
        body {
            font-family: 'Segoe UI', 'Microsoft YaHei', sans-serif;
            color: var(--dark-color);
            line-height: 1.8;
            overflow-x: hidden;
        }
        h1, h2, h3, h4, h5 {
            font-weight: 700;
            color: var(--primary-color);
        }
        .navbar {
            background: linear-gradient(135deg, var(--primary-color), #1565c0);
            box-shadow: var(--shadow);
        }
        .navbar-brand {
            font-size: 1.5rem;
            font-weight: 800;
            color: white !important;
        }
        .nav-link {
            color: rgba(255, 255, 255, 0.9) !important;
            font-weight: 500;
            margin: 0 5px;
            transition: var(--transition);
        }
        .nav-link:hover, .nav-link.active {
            color: white !important;
            transform: translateY(-2px);
        }
        .hero-section {
            background: linear-gradient(rgba(13, 71, 161, 0.85), rgba(30, 136, 229, 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: 100px 0;
            text-align: center;
        }
        .hero-section h1 {
            color: white;
            font-size: 3.5rem;
            text-shadow: 2px 2px 8px rgba(0,0,0,0.5);
        }
        .hero-section p {
            font-size: 1.3rem;
            max-width: 800px;
            margin: 0 auto 30px;
        }
        .btn-primary-custom {
            background: var(--secondary-color);
            border: none;
            padding: 12px 30px;
            font-weight: 600;
            border-radius: 50px;
            transition: var(--transition);
        }
        .btn-primary-custom:hover {
            background: #e65100;
            transform: scale(1.05);
        }
        .section-title {
            position: relative;
            padding-bottom: 15px;
            margin-bottom: 40px;
        }
        .section-title:after {
            content: '';
            position: absolute;
            left: 50%;
            bottom: 0;
            transform: translateX(-50%);
            width: 100px;
            height: 4px;
            background: var(--secondary-color);
            border-radius: 2px;
        }
        .card-custom {
            border: none;
            border-radius: 15px;
            overflow: hidden;
            box-shadow: var(--shadow);
            transition: var(--transition);
            height: 100%;
        }
        .card-custom:hover {
            transform: translateY(-10px);
            box-shadow: 0 10px 25px rgba(0,0,0,0.15);
        }
        .card-img-top {
            height: 200px;
            object-fit: cover;
        }
        .live-score {
            background: linear-gradient(45deg, #d32f2f, #f44336);
            color: white;
            padding: 20px;
            border-radius: 15px;
            margin-bottom: 30px;
            animation: pulse 2s infinite;
        }
        @keyframes pulse {
            0% { box-shadow: 0 0 0 0 rgba(211, 47, 47, 0.7); }
            70% { box-shadow: 0 0 0 10px rgba(211, 47, 47, 0); }
            100% { box-shadow: 0 0 0 0 rgba(211, 47, 47, 0); }
        }
        .data-stat {
            background: var(--light-color);
            padding: 25px;
            border-radius: 12px;
            border-left: 5px solid var(--accent-color);
        }
        .flink {
            display: inline-block;
            background: #f1f8ff;
            color: var(--primary-color);
            padding: 10px 20px;
            margin: 8px;
            border-radius: 8px;
            text-decoration: none;
            font-weight: 500;
            transition: var(--transition);
            border: 1px solid #d1e3ff;
        }
        .flink:hover {
            background: var(--accent-color);
            color: white;
            transform: translateY(-3px);
        }
        footer {
            background: var(--dark-color);
            color: #adb5bd;
            padding: 50px 0 20px;
        }
        footer a {
            color: #e9ecef;
            text-decoration: none;
            transition: var(--transition);
        }
        footer a:hover {
            color: var(--secondary-color);
        }
        .social-icons a {
            display: inline-block;
            width: 40px;
            height: 40px;
            background: #495057;
            color: white;
            border-radius: 50%;
            text-align: center;
            line-height: 40px;
            margin: 0 5px;
            transition: var(--transition);
        }
        .social-icons a:hover {
            background: var(--secondary-color);
            transform: rotate(15deg);
        }
        @media (max-width: 768px) {
            .hero-section h1 { font-size: 2.5rem; }
            .hero-section p { font-size: 1.1rem; }
            .section-title { font-size: 1.8rem; }
        }
        .content-rich p {
            margin-bottom: 1.5rem;
            text-align: justify;
        }
        .analysis-box {
            background: #e3f2fd;
            border-radius: 12px;
            padding: 25px;
            margin: 20px 0;
            border: 1px solid #bbdefb;
        }
        .timeline {
            position: relative;
            padding-left: 30px;
            margin: 30px 0;
        }
        .timeline:before {
            content: '';
            position: absolute;
            left: 0;
            top: 0;
            bottom: 0;
            width: 4px;
            background: var(--secondary-color);
            border-radius: 2px;
        }
        .timeline-item {
            position: relative;
            margin-bottom: 25px;
        }
        .timeline-item:before {
            content: '';
            position: absolute;
            left: -36px;
            top: 5px;
            width: 16px;
            height: 16px;
            border-radius: 50%;
            background: var(--primary-color);
            border: 3px solid white;
            box-shadow: 0 0 0 3px var(--secondary-color);
        }
