:root {
            --primary-dark: #0a2e5c;
            --primary-blue: #1e4a8b;
            --accent-gold: #d4af37;
            --light-bg: #f8f9fa;
            --text-dark: #333;
            --text-light: #6c757d;
            --shadow: 0 4px 12px rgba(0, 0, 0, 0.08);
            --transition: all 0.3s ease;
        }
        body {
            font-family: 'Segoe UI', 'Microsoft YaHei', sans-serif;
            color: var(--text-dark);
            line-height: 1.7;
            overflow-x: hidden;
        }
        .navbar-brand {
            font-weight: 700;
            font-size: 1.5rem;
            color: var(--primary-dark) !important;
        }
        .nav-link {
            font-weight: 500;
            color: var(--primary-dark) !important;
            transition: var(--transition);
        }
        .nav-link:hover, .nav-link.active {
            color: var(--accent-gold) !important;
        }
        .hero-section {
            background: linear-gradient(135deg, var(--primary-dark) 0%, var(--primary-blue) 100%);
            color: white;
            padding: 5rem 0;
            position: relative;
            overflow: hidden;
        }
        .hero-section h1 {
            font-weight: 800;
            margin-bottom: 1.5rem;
            text-shadow: 0 2px 5px rgba(0,0,0,0.2);
        }
        .hero-section .lead {
            font-size: 1.2rem;
            opacity: 0.9;
        }
        .section-title {
            position: relative;
            margin-bottom: 3rem;
            color: var(--primary-dark);
            font-weight: 700;
        }
        .section-title:after {
            content: '';
            position: absolute;
            left: 0;
            bottom: -10px;
            width: 60px;
            height: 4px;
            background: var(--accent-gold);
        }
        .text-center .section-title:after {
            left: 50%;
            transform: translateX(-50%);
        }
        .card-hover {
            transition: var(--transition);
            border: none;
            border-radius: 12px;
            overflow: hidden;
            box-shadow: var(--shadow);
            height: 100%;
        }
        .card-hover:hover {
            transform: translateY(-8px);
            box-shadow: 0 12px 20px rgba(0, 0, 0, 0.15);
        }
        .icon-box {
            width: 70px;
            height: 70px;
            background: var(--primary-blue);
            color: white;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            margin: 0 auto 1.5rem;
            font-size: 1.8rem;
        }
        .feature-icon {
            font-size: 2.5rem;
            color: var(--accent-gold);
            margin-bottom: 1rem;
        }
        .live-badge {
            position: absolute;
            top: 15px;
            right: 15px;
            background: #dc3545;
            color: white;
            padding: 0.25rem 0.75rem;
            border-radius: 20px;
            font-size: 0.75rem;
            font-weight: 600;
            animation: pulse 1.5s infinite;
        }
        @keyframes pulse {
            0% { opacity: 1; }
            50% { opacity: 0.7; }
            100% { opacity: 1; }
        }
        .data-table {
            font-size: 0.95rem;
        }
        .data-table thead {
            background: var(--primary-dark);
            color: white;
        }
        .friendlink .flink {
            background: var(--light-bg);
            border: 1px solid #dee2e6;
            border-radius: 8px;
            padding: 1rem;
            text-align: center;
            display: block;
            color: var(--text-dark);
            text-decoration: none;
            transition: var(--transition);
            font-weight: 500;
        }
        .friendlink .flink:hover {
            background: white;
            border-color: var(--accent-gold);
            color: var(--primary-blue);
            transform: scale(1.03);
        }
        footer {
            background: var(--primary-dark);
            color: rgba(255,255,255,0.8);
        }
        footer a {
            color: rgba(255,255,255,0.8);
            text-decoration: none;
            transition: var(--transition);
        }
        footer a:hover {
            color: white;
            text-decoration: underline;
        }
        .btn-gold {
            background: var(--accent-gold);
            color: var(--primary-dark);
            font-weight: 600;
            padding: 0.75rem 2rem;
            border-radius: 30px;
            border: none;
            transition: var(--transition);
        }
        .btn-gold:hover {
            background: #c19b2c;
            transform: translateY(-2px);
        }
        .img-fluid {
            border-radius: 10px;
            box-shadow: var(--shadow);
        }
        .analysis-card {
            border-left: 5px solid var(--accent-gold);
            padding-left: 1.5rem;
            background: var(--light-bg);
            padding: 1.5rem;
            border-radius: 0 8px 8px 0;
        }
        @media (max-width: 768px) {
            .hero-section {
                padding: 3rem 0;
                text-align: center;
            }
            .section-title {
                font-size: 1.8rem;
            }
        }