body {
    margin: 0;
    padding: 0;
}

@keyframes glowingEffect {
    0% {
        box-shadow: 0 0 8px 4px rgba(0, 255, 255, 0.6), 0 0 15px 8px rgba(0, 128, 255, 0.4), 0 0 20px 12px rgba(128, 0, 255, 0.3);
    }
    50% {
        box-shadow: 0 0 8px 4px rgba(0, 128, 255, 0.6), 0 0 15px 8px rgba(128, 0, 255, 0.4), 0 0 20px 12px rgba(0, 255, 255, 0.3);
    }
    100% {
        box-shadow: 0 0 8px 4px rgba(128, 0, 255, 0.6), 0 0 15px 8px rgba(0, 255, 255, 0.4), 0 0 20px 12px rgba(0, 128, 255, 0.3);
    }
}

#input-box {
    margin-top: 20px;
    padding: 10px;
    width: 100%;
    max-width: 300px;
    font-size: 16px;
    border: 2px solid transparent;
    /* 设置为透明以突出发光效果 */
    border-radius: 20px;
    /* 保持圆角 */
    box-sizing: border-box;
    outline: none;
    animation: glowingEffect 3s infinite alternate;
    /* 应用发光动效 */
    transition: box-shadow 0.3s ease-in-out;
    /* 平滑过渡动效 */
}

#button-container {
    position: relative;
    display: inline-block;
    /* 确保容器包裹按钮大小 */
    padding: 0;
    margin-top: 20px;
}

#button-container::before {
    content: "";
    position: absolute;
    top: -5px;
    left: -5px;
    right: -5px;
    bottom: -5px;
    background: linear-gradient(45deg, #ffffff, #ffffff, #8000ff);
    border-radius: 25px;
    z-index: -1;
    filter: blur(8px);
    animation: glowingEffect 3s linear infinite;
}

#submit-button {
    position: relative;
    margin-top: 20px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 0;
    width: 100%;
    max-width: 300px;
    border-radius: 30px;
    overflow: hidden;
}

#submit-button img {
    display: block;
    width: 100%;
    border-radius: 20px;
}

#submit-button::after {
    content: "";
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(120deg, rgba(255, 255, 255, 0) 0%, rgba(255, 255, 255, 0.6) 50%, rgba(255, 255, 255, 0) 100%);
    transform: skewX(-30deg);
    animation: sweep 3s infinite;
}

@keyframes sweep {
    0% {
        left: -100%;
    }
    50% {
        left: 100%;
    }
    100% {
        left: 100%;
    }
}