:root {
            --primary-dark: #0a2e5c;
            --primary-light: #1e6fd9;
            --accent-gold: #d4af37;
            --accent-silver: #c0c0c0;
            --neutral-light: #f8f9fa;
            --neutral-dark: #343a40;
        }
        body {
            font-family: 'Helvetica Neue', 'Segoe UI', 'Microsoft YaHei', sans-serif;
            color: var(--neutral-dark);
            background-color: #fff;
            line-height: 1.7;
            overflow-x: hidden;
        }
        h1, h2, h3, h4, h5 {
            font-weight: 700;
            color: var(--primary-dark);
        }
        .navbar {
            background: linear-gradient(135deg, var(--primary-dark) 0%, var(--primary-light) 100%);
            box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
            padding-top: 0.8rem;
            padding-bottom: 0.8rem;
        }
        .navbar-brand {
            font-weight: 800;
            font-size: 1.8rem;
            color: white !important;
            background: linear-gradient(to right, #fff, var(--accent-gold));
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }
        .nav-link {
            color: rgba(255, 255, 255, 0.9) !important;
            font-weight: 500;
            margin: 0 0.3rem;
            padding: 0.5rem 1rem !important;
            border-radius: 4px;
            transition: all 0.3s ease;
        }
        .nav-link:hover, .nav-link.active {
            color: white !important;
            background-color: rgba(255, 255, 255, 0.15);
            transform: translateY(-2px);
        }
        .hero-section {
            background: linear-gradient(rgba(10, 46, 92, 0.85), rgba(30, 111, 217, 0.8)), url('https://images.unsplash.com/photo-1575361204480-aadea25e6e68?ixlib=rb-4.0.3&auto=format&fit=crop&w=2071&q=80') center/cover no-repeat;
            color: white;
            padding: 6rem 0;
            margin-bottom: 3rem;
        }
        .hero-title {
            font-size: 3.2rem;
            margin-bottom: 1.5rem;
            text-shadow: 2px 2px 8px rgba(0, 0, 0, 0.5);
        }
        .hero-subtitle {
            font-size: 1.3rem;
            margin-bottom: 2rem;
            opacity: 0.95;
        }
        .btn-hero {
            background-color: var(--accent-gold);
            border: none;
            color: var(--primary-dark);
            font-weight: bold;
            padding: 0.8rem 2.5rem;
            border-radius: 50px;
            transition: all 0.4s ease;
            box-shadow: 0 6px 15px rgba(212, 175, 55, 0.4);
        }
        .btn-hero:hover {
            background-color: white;
            color: var(--primary-dark);
            transform: translateY(-5px);
            box-shadow: 0 12px 20px rgba(212, 175, 55, 0.6);
        }
        .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: linear-gradient(to right, var(--primary-light), var(--accent-gold));
            border-radius: 2px;
        }
        .card-hover {
            transition: transform 0.3s ease, box-shadow 0.3s ease;
            border: none;
            border-radius: 12px;
            overflow: hidden;
            height: 100%;
            box-shadow: 0 6px 15px rgba(0, 0, 0, 0.08);
        }
        .card-hover:hover {
            transform: translateY(-10px);
            box-shadow: 0 15px 30px rgba(0, 0, 0, 0.15);
        }
        .card-icon {
            font-size: 2.5rem;
            color: var(--primary-light);
            margin-bottom: 1.5rem;
        }
        .live-badge {
            position: absolute;
            top: 15px;
            right: 15px;
            background-color: #dc3545;
            color: white;
            padding: 0.3rem 0.8rem;
            border-radius: 20px;
            font-size: 0.8rem;
            font-weight: bold;
            animation: pulse 1.5s infinite;
        }
        @keyframes pulse {
            0% { opacity: 1; }
            50% { opacity: 0.7; }
            100% { opacity: 1; }
        }
        .data-table {
            border-radius: 10px;
            overflow: hidden;
            box-shadow: 0 5px 15px rgba(0, 0, 0, 0.05);
        }
        .data-table thead th {
            background-color: var(--primary-dark);
            color: white;
            border: none;
            padding: 1.2rem;
        }
        .data-table tbody tr {
            transition: background-color 0.3s ease;
        }
        .data-table tbody tr:hover {
            background-color: rgba(30, 111, 217, 0.05);
        }
        .analysis-chart {
            background: var(--neutral-light);
            border-radius: 12px;
            padding: 2rem;
            height: 100%;
            border-left: 5px solid var(--accent-gold);
        }
        .flink {
            display: inline-block;
            background-color: var(--neutral-light);
            color: var(--neutral-dark);
            padding: 0.8rem 1.8rem;
            margin: 0.5rem;
            border-radius: 8px;
            text-decoration: none;
            font-weight: 500;
            transition: all 0.3s ease;
            border: 2px solid transparent;
        }
        .flink:hover {
            background-color: var(--primary-light);
            color: white;
            border-color: var(--primary-light);
            transform: scale(1.05);
        }
        .contact-box {
            background: linear-gradient(145deg, #ffffff, #f0f4f8);
            border-radius: 15px;
            padding: 2.5rem;
            box-shadow: 0 10px 30px rgba(0, 0, 0, 0.08);
            border-top: 5px solid var(--accent-gold);
        }
        .footer {
            background-color: var(--primary-dark);
            color: rgba(255, 255, 255, 0.85);
            padding-top: 4rem;
            padding-bottom: 2rem;
        }
        .footer a {
            color: rgba(255, 255, 255, 0.75);
            text-decoration: none;
            transition: color 0.3s ease;
        }
        .footer a:hover {
            color: var(--accent-gold);
        }
        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            padding-top: 1.5rem;
            margin-top: 3rem;
            font-size: 0.9rem;
        }
        @media (max-width: 768px) {
            .hero-title { font-size: 2.5rem; }
            .hero-subtitle { font-size: 1.1rem; }
            .section-title { font-size: 1.8rem; }
        }