* {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }
        
        body {
            background: #000;
            color: #fff;
            font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
            min-height: 100vh;
            display: flex;
            flex-direction: column;
            justify-content: center;
            align-items: center;
            overflow: hidden;
            position: relative;
        }
        
        .background {
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background: linear-gradient(125deg, #0a0a0a 0%, #1a1a1a 100%);
            z-index: -1;
        }
        
        .pulse {
            position: absolute;
            top: 50%;
            left: 50%;
            transform: translate(-50%, -50%);
            width: 80vmin;
            height: 80vmin;
            border-radius: 50%;
            background: rgba(50, 255, 126, 0.03);
            box-shadow: 0 0 20vmin rgba(50, 255, 126, 0.1);
            animation: pulse 3s infinite ease-in-out;
            z-index: -1;
        }
        
        .container {
            text-align: center;
            margin-bottom: 2rem;
            padding: 0 1rem;
        }
        
        .domain-display {
            display: flex;
            justify-content: center;
            align-items: center;
            flex-wrap: wrap;
            margin: 2rem 0;
        }
        
        .domain-part {
            font-size: 2.5rem;
            font-weight: 900;
            letter-spacing: 2px;
            filter: blur(2px);
            animation: animate 1.75s linear infinite;
            margin: 0 0.1rem;
        }
        
        .domain-part:nth-child(1) { animation-delay: 0s; }
        .domain-part:nth-child(2) { animation-delay: 0.25s; }
        .domain-part:nth-child(3) { animation-delay: 0.5s; }
        .domain-part:nth-child(4) { animation-delay: 0.75s; }
        .domain-part.dot { animation: none; filter: none; }
        .domain-part.text { animation: none; filter: none; color: #32ff7e; }
        
        .loader-container {
            background-color: #000;
            width: 150px;
            height: 150px;
            margin: 0 auto;
            position: relative;
            border: 5px solid rgba(50, 255, 126, 0.3);
            border-radius: 50%;
            animation: borderScale 1.5s infinite ease-in-out;
            display: flex;
            justify-content: center;
            align-items: center;
            box-shadow: 0 0 30px rgba(50, 255, 126, 0.2);
            cursor: pointer;
            transition: all 0.3s;
        }
        
        .loader-container:hover {
            transform: scale(1.05);
            box-shadow: 0 0 40px rgba(50, 255, 126, 0.3);
        }
        
        .loading-text {
            font-weight: 700;
            font-family: "Microsoft YaHei", Helvetica, Arial, sans-serif;
            font-size: 1.2rem;
            color: #32ff7e;
            text-align: center;
        }
        
        .status-info {
            margin-top: 2rem;
            color: #aaa;
            font-size: 0.9rem;
        }
        
        .security-icon {
            font-size: 2rem;
            color: #32ff7e;
            margin-bottom: 1rem;
            animation: spin 2s infinite linear;
        }
        
        .countdown {
            margin-top: 1.5rem;
            font-size: 0.9rem;
            color: #888;
        }
        
        @keyframes pulse {
            0% { transform: translate(-50%, -50%) scale(0.8); opacity: 0.5; }
            50% { transform: translate(-50%, -50%) scale(1); opacity: 0.8; }
            100% { transform: translate(-50%, -50%) scale(0.8); opacity: 0.5; }
        }
        
        @keyframes borderScale {
            0% { border: 5px solid rgba(50, 255, 126, 0.3); }
            50% { border: 15px solid rgba(50, 255, 126, 0.6); }
            100% { border: 5px solid rgba(50, 255, 126, 0.3); }
        }
        
        @keyframes animate {
            0%, 100% {
                color: #fff;
                filter: blur(2px);
                text-shadow: 0 0 10px #32ff7e, 0 0 20px #32ff7e, 0 0 30px #32ff7e;
            }
            5%, 95% {
                color: #ffffff47;
                filter: blur(0px);
                text-shadow: none;
            }
        }
        
        @keyframes spin {
            0% { transform: rotate(0deg); }
            100% { transform: rotate(360deg); }
        }
        
        /* 响应式设计 */
        @media (max-width: 768px) {
            .domain-part {
                font-size: 2rem;
            }
            
            .loader-container {
                width: 120px;
                height: 120px;
            }
            
            .loading-text {
                font-size: 1rem;
            }
            
            .pulse {
                width: 90vmin;
                height: 90vmin;
            }
        }
        
        @media (max-width: 480px) {
            .domain-part {
                font-size: 1.6rem;
            }
            
            .loader-container {
                width: 100px;
                height: 100px;
            }
            
            .loading-text {
                font-size: 0.9rem;
            }
            
            .status-info {
                font-size: 0.8rem;
                padding: 0 1rem;
            }
        }