:root {
            --primary-color: #1a5fb4;
            --secondary-color: #e95420;
            --dark-color: #2c2c2c;
            --light-color: #f8f9fa;
            --success-color: #38b44a;
            --warning-color: #efb73e;
        }
        body {
            font-family: 'Noto Sans SC', 'Microsoft YaHei', sans-serif;
            color: #333;
            line-height: 1.8;
            overflow-x: hidden;
        }
        h1, h2, h3, h4, h5, h6 {
            font-weight: 700;
            margin-bottom: 1rem;
            color: var(--dark-color);
        }
        .navbar-brand {
            font-weight: 800;
            font-size: 1.8rem;
            color: var(--primary-color) !important;
        }
        .nav-link {
            font-weight: 600;
            padding: 0.5rem 1.2rem !important;
            transition: all 0.3s ease;
        }
        .nav-link:hover, .nav-link.active {
            color: var(--secondary-color) !important;
            transform: translateY(-2px);
        }
        .hero-section {
            background: linear-gradient(135deg, rgba(26, 95, 180, 0.9) 0%, rgba(233, 84, 32, 0.85) 100%), url('https://images.unsplash.com/photo-1556056504-5c7696c4c28d?ixlib=rb-4.0.3&auto=format&fit=crop&w=1920&q=80') no-repeat center center/cover;
            color: white;
            padding: 8rem 0;
            text-align: center;
            position: relative;
            overflow: hidden;
        }
        .hero-section h1 {
            color: white;
            font-size: 3.5rem;
            margin-bottom: 1.5rem;
            text-shadow: 2px 2px 8px rgba(0,0,0,0.3);
            animation: fadeInDown 1s ease;
        }
        @keyframes fadeInDown {
            from { opacity: 0; transform: translateY(-30px); }
            to { opacity: 1; transform: translateY(0); }
        }
        .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: var(--secondary-color);
            border-radius: 2px;
        }
        .card {
            border: none;
            border-radius: 15px;
            overflow: hidden;
            box-shadow: 0 10px 30px rgba(0,0,0,0.08);
            transition: transform 0.3s ease, box-shadow 0.3s ease;
            height: 100%;
        }
        .card:hover {
            transform: translateY(-10px);
            box-shadow: 0 15px 40px rgba(0,0,0,0.15);
        }
        .card-img-top {
            height: 200px;
            object-fit: cover;
            transition: transform 0.5s ease;
        }
        .card:hover .card-img-top {
            transform: scale(1.05);
        }
        .stats-box {
            background: var(--light-color);
            border-radius: 15px;
            padding: 2rem;
            text-align: center;
            border-left: 5px solid var(--primary-color);
            transition: all 0.3s ease;
        }
        .stats-box:hover {
            background: white;
            box-shadow: 0 10px 25px rgba(0,0,0,0.1);
        }
        .stats-number {
            font-size: 3rem;
            font-weight: 800;
            color: var(--primary-color);
            line-height: 1;
        }
        .live-badge {
            background: var(--secondary-color);
            color: white;
            padding: 0.3rem 1rem;
            border-radius: 50px;
            font-size: 0.9rem;
            font-weight: 700;
            display: inline-block;
            animation: pulse 2s infinite;
        }
        @keyframes pulse {
            0% { opacity: 1; }
            50% { opacity: 0.7; }
            100% { opacity: 1; }
        }
        .table-hover tbody tr:hover {
            background-color: rgba(26, 95, 180, 0.05);
        }
        .btn-primary {
            background-color: var(--primary-color);
            border-color: var(--primary-color);
            padding: 0.75rem 2rem;
            border-radius: 50px;
            font-weight: 600;
            transition: all 0.3s ease;
        }
        .btn-primary:hover {
            background-color: #144a8f;
            border-color: #144a8f;
            transform: translateY(-3px);
            box-shadow: 0 10px 20px rgba(26, 95, 180, 0.2);
        }
        .btn-secondary {
            background-color: var(--secondary-color);
            border-color: var(--secondary-color);
            padding: 0.75rem 2rem;
            border-radius: 50px;
            font-weight: 600;
            transition: all 0.3s ease;
        }
        .btn-secondary:hover {
            background-color: #d1451b;
            border-color: #d1451b;
            transform: translateY(-3px);
            box-shadow: 0 10px 20px rgba(233, 84, 32, 0.2);
        }
        footer {
            background-color: var(--dark-color);
            color: #ccc;
            padding: 4rem 0 2rem;
        }
        footer a {
            color: #aaa;
            text-decoration: none;
            transition: color 0.3s ease;
        }
        footer a:hover {
            color: white;
            text-decoration: underline;
        }
        .friendlink .flink {
            display: inline-block;
            background: rgba(255,255,255,0.1);
            color: #ddd;
            padding: 0.5rem 1.5rem;
            margin: 0.5rem;
            border-radius: 50px;
            text-decoration: none;
            transition: all 0.3s ease;
        }
        .friendlink .flink:hover {
            background: var(--primary-color);
            color: white;
            transform: translateY(-3px);
        }
        .form-control {
            border-radius: 10px;
            padding: 0.75rem 1.2rem;
            border: 1px solid #ddd;
        }
        .form-control:focus {
            border-color: var(--primary-color);
            box-shadow: 0 0 0 0.25rem rgba(26, 95, 180, 0.25);
        }
        .analysis-badge {
            position: absolute;
            top: 15px;
            right: 15px;
            z-index: 2;
        }
        .timeline {
            position: relative;
            padding-left: 2rem;
        }
        .timeline:before {
            content: '';
            position: absolute;
            left: 0;
            top: 0;
            bottom: 0;
            width: 4px;
            background: var(--primary-color);
            border-radius: 2px;
        }
        .timeline-item {
            position: relative;
            margin-bottom: 2rem;
        }
        .timeline-item:before {
            content: '';
            position: absolute;
            left: -2.5rem;
            top: 0.5rem;
            width: 16px;
            height: 16px;
            border-radius: 50%;
            background: var(--secondary-color);
            border: 3px solid white;
            box-shadow: 0 0 0 3px var(--primary-color);
        }
        @media (max-width: 768px) {
            .hero-section h1 {
                font-size: 2.5rem;
            }
            .section-title {
                font-size: 1.8rem;
            }
            .stats-number {
                font-size: 2.5rem;
            }
            .navbar-nav {
                text-align: center;
                background: rgba(255,255,255,0.98);
                border-radius: 10px;
                padding: 1rem;
                margin-top: 0.5rem;
            }
        }