@import url('https://fonts.googleapis.com/css2?family=Orbitron:wght@400;700;900&display=swap');

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

        body {
            font-family: 'Orbitron', monospace;
            background: linear-gradient(135deg, #0c0c0c 0%, #1a1a2e 25%, #16213e 50%, #0f3460 75%, #533483 100%);
            min-height: 100vh;
            overflow-x: hidden;
            position: relative;
        }

        /* 动态背景粒子 */
        .particles {
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            pointer-events: none;
            z-index: 1;
        }

        .particle {
            position: absolute;
            width: 2px;
            height: 2px;
            background: #00ffff;
            border-radius: 50%;
            animation: float 8s infinite linear;
            box-shadow: 0 0 10px #00ffff;
        }

        @keyframes float {
            0% {
                transform: translateY(100vh) rotate(0deg);
                opacity: 0;
            }

            10% {
                opacity: 1;
            }

            90% {
                opacity: 1;
            }

            100% {
                transform: translateY(-100vh) rotate(360deg);
                opacity: 0;
            }
        }

        /* 霓虹灯边框动画 */
        .neon-border {
            position: relative;
            background: rgba(255, 255, 255, 0.1);
            border: 2px solid #00ffff;
            border-radius: 20px;
            backdrop-filter: blur(15px);
            box-shadow:
                0 0 30px rgba(0, 255, 255, 0.3),
                inset 0 0 30px rgba(0, 255, 255, 0.1);
        }

        /* 标题霓虹灯效果 */
        .neon-title {
            color: #00ffff;
            text-shadow:
                0 0 5px #00ffff,
                0 0 10px #00ffff,
                0 0 15px #00ffff,
                0 0 20px #00ffff,
                0 0 35px #00ffff,
                0 0 40px #00ffff;
            animation: flicker 2s infinite alternate;
        }

        @keyframes flicker {

            0%,
            18%,
            22%,
            25%,
            53%,
            57%,
            100% {
                text-shadow:
                    0 0 5px #00ffff,
                    0 0 10px #00ffff,
                    0 0 15px #00ffff,
                    0 0 20px #00ffff,
                    0 0 35px #00ffff,
                    0 0 40px #00ffff;
            }

            20%,
            24%,
            55% {
                text-shadow: none;
            }
        }

        /* 输入框霓虹灯效果 */
        .neon-input {
            background: rgba(0, 0, 0, 0.6);
            border: 2px solid #00ffff;
            border-radius: 10px;
            color: #00ffff;
            padding: 12px 16px;
            font-family: 'Orbitron', monospace;
            font-weight: 400;
            transition: all 0.3s ease;
            box-shadow: 0 0 15px rgba(0, 255, 255, 0.3);
        }

        .neon-input:focus {
            outline: none;
            box-shadow:
                0 0 20px rgba(0, 255, 255, 0.6),
                inset 0 0 20px rgba(0, 255, 255, 0.1);
            border-color: #ff00ff;
        }

        .neon-input::placeholder {
            color: rgba(0, 255, 255, 0.5);
        }

        /* 按钮霓虹灯效果 */
        .neon-button {
            background: linear-gradient(45deg, #ff00ff, #00ffff);
            border: none;
            border-radius: 15px;
            color: #000;
            font-weight: 700;
            font-family: 'Orbitron', monospace;
            padding: 12px 30px;
            cursor: pointer;
            transition: all 0.3s ease;
            text-transform: uppercase;
            letter-spacing: 2px;
            position: relative;
            overflow: hidden;
        }

        .neon-button::before {
            content: '';
            position: absolute;
            top: 0;
            left: -100%;
            width: 100%;
            height: 100%;
            background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.4), transparent);
            transition: left 0.5s ease;
        }

        .neon-button:hover::before {
            left: 100%;
        }

        .neon-button:hover {
            transform: translateY(-2px);
            box-shadow:
                0 10px 20px rgba(255, 0, 255, 0.4),
                0 0 30px rgba(0, 255, 255, 0.6);
        }

        /* 结果区域样式 */
        .result-section {
            background: rgba(0, 0, 0, 0.7);
            border: 1px solid #00ffff;
            border-radius: 15px;
            padding: 20px;
            margin-top: 20px;
            backdrop-filter: blur(10px);
            box-shadow: 0 0 20px rgba(0, 255, 255, 0.2);
        }

        .result-section h2 {
            color: #ff00ff;
            text-shadow: 0 0 10px #ff00ff;
            margin-bottom: 10px;
            font-size: 18px;
        }

        .result-section p {
            color: #00ffff;
            margin-bottom: 8px;
            font-family: 'Courier New', monospace;
            word-break: break-all;
        }

        /* 标签样式 */
        .neon-label {
            color: #00ffff;
            font-weight: 700;
            text-shadow: 0 0 5px #00ffff;
            margin-bottom: 10px;
            display: block;
        }

        /* 脉冲动画 */
        @keyframes pulse {
            0% {
                box-shadow: 0 0 20px rgba(0, 255, 255, 0.3);
            }

            50% {
                box-shadow: 0 0 30px rgba(0, 255, 255, 0.6);
            }

            100% {
                box-shadow: 0 0 20px rgba(0, 255, 255, 0.3);
            }
        }

        .pulse-animation {
            animation: pulse 2s infinite;
        }

        /* 响应式设计 */
        @media (max-width: 768px) {
            .neon-border {
                margin: 10px;
                padding: 20px;
            }

            .neon-title {
                font-size: 24px;
            }
        }

        /* 网格背景 */
        .grid-bg {
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background-image:
                linear-gradient(rgba(0, 255, 255, 0.1) 1px, transparent 1px),
                linear-gradient(90deg, rgba(0, 255, 255, 0.1) 1px, transparent 1px);
            background-size: 50px 50px;
            pointer-events: none;
            z-index: 0;
        }