* {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }

    

        .main-content {
            flex: 1;
            display: flex;
            align-items: center;
            justify-content: center;
            color: #475569;
            font-size: 24px;
            opacity: 0.8;
        }

        .footer {
            background: linear-gradient(135deg, rgba(255, 255, 255, 0.9), rgba(248, 250, 252, 0.95));
            backdrop-filter: blur(20px);
            border-top: 1px solid rgba(148, 163, 184, 0.2);
            padding: 40px 0 30px;
            position: relative;
            overflow: hidden;
            box-shadow: 0 -10px 30px rgba(0, 0, 0, 0.1);
        }

        .footer::before {
            content: '';
            position: absolute;
            top: 0;
            left: -100%;
            width: 100%;
            height: 2px;
            background: linear-gradient(90deg, transparent, #3b82f6, #2563eb, transparent);
            animation: footer-shimmer 3s infinite;
        }

        @keyframes footer-shimmer {
            0% { left: -100%; }
            100% { left: 100%; }
        }

        .footer-container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
            display: flex;
            justify-content: space-between;
            align-items: center;
            gap: 30px;
        }

        .footer-nav {
            display: flex;
            gap: 40px;
            align-items: center;
        }

        .footer-nav a {
            color: #475569;
            text-decoration: none;
            font-weight: 500;
            font-size: 16px;
            position: relative;
            padding: 10px 20px;
            border-radius: 25px;
            transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
            background: rgba(148, 163, 184, 0.1);
            border: 1px solid rgba(148, 163, 184, 0.2);
        }

        .footer-nav a::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
            background: linear-gradient(135deg, rgba(59, 130, 246, 0.15), rgba(37, 99, 235, 0.15));
            border-radius: 25px;
            opacity: 0;
            transition: all 0.3s ease;
            z-index: -1;
        }

        .footer-nav a:hover {
            color: #1e40af;
            transform: translateY(-3px);
            box-shadow: 0 10px 25px rgba(59, 130, 246, 0.2);
            border-color: rgba(59, 130, 246, 0.4);
        }

        .footer-nav a:hover::before {
            opacity: 1;
        }

        .footer-nav a:active {
            transform: translateY(-1px);
        }

        .divider {
            width: 80px;
            height: 1px;
            background: linear-gradient(90deg, transparent, rgba(148, 163, 184, 0.4), transparent);
            position: relative;
        }

        .divider::before {
            content: '';
            position: absolute;
            left: 50%;
            top: 50%;
            transform: translate(-50%, -50%);
            width: 6px;
            height: 6px;
            background: #3b82f6;
            border-radius: 50%;
            box-shadow: 0 0 15px rgba(59, 130, 246, 0.6);
            animation: footer-pulse 2s infinite;
        }

        @keyframes footer-pulse {
            0%, 100% { 
                transform: translate(-50%, -50%) scale(1);
                opacity: 1;
            }
            50% { 
                transform: translate(-50%, -50%) scale(1.3);
                opacity: 0.7;
            }
        }

        .copyright {
            color: #64748b;
            font-size: 20px;
            font-weight: 400;
        }

        .floating-particles {
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            overflow: hidden;
            pointer-events: none;
        }

        .particle {
            position: absolute;
            width: 3px;
            height: 3px;
            background: rgba(59, 130, 246, 0.5);
            border-radius: 50%;
            animation: footer-float 6s infinite linear;
        }

        @keyframes footer-float {
            0% {
                transform: translateY(100px) translateX(0px) scale(0);
                opacity: 0;
            }
            10% {
                opacity: 1;
            }
            90% {
                opacity: 1;
            }
            100% {
                transform: translateY(-100px) translateX(50px) scale(1);
                opacity: 0;
            }
        }

        .particle:nth-child(2) { 
            left: 10%; 
            animation-delay: -1s; 
            animation-duration: 8s;
        }
        .particle:nth-child(3) { 
            left: 25%; 
            animation-delay: -2s; 
            animation-duration: 7s;
        }
        .particle:nth-child(4) { 
            left: 40%; 
            animation-delay: -3s; 
            animation-duration: 9s;
        }
        .particle:nth-child(5) { 
            left: 60%; 
            animation-delay: -4s; 
            animation-duration: 6s;
        }
        .particle:nth-child(6) { 
            left: 75%; 
            animation-delay: -5s; 
            animation-duration: 8s;
        }
        .particle:nth-child(7) { 
            left: 90%; 
            animation-delay: -2.5s; 
            animation-duration: 7.5s;
        }

        @media (max-width: 768px) {
            .footer-nav {
                flex-direction: column;
                gap: 15px;
            }
            
            .footer-nav a {
                font-size: 14px;
                padding: 8px 16px;
            }
            
            .footer-container {
                padding: 0 15px;
                gap: 20px;
            }
            
            .copyright {
                font-size: 12px;
                padding: 12px 20px;
            }
        }

        /* 额外的微动画效果 */
        @keyframes footer-glow {
            0%, 100% { box-shadow: 0 0 5px rgba(59, 130, 246, 0.15); }
            50% { box-shadow: 0 0 20px rgba(59, 130, 246, 0.25), 0 0 30px rgba(59, 130, 246, 0.15); }
        }

        .footer-nav a:hover {
            animation: footer-glow 1.5s infinite;
        }