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

html, body {
    width: 100%;
    height: 100%;
    overflow: hidden;
    background-color: #000;
}

.container {
    width: 100%;
    height: 100%;
    display: flex;
    justify-content: center;
    align-items: center;
    perspective: 1000px;
}

.letter-g {
    font-size: 80vh;
    font-family: Arial, sans-serif;
    font-weight: bold;
    position: relative;
    transform-style: preserve-3d;
    transition: transform 0.1s ease-out;
    color: transparent;
    -webkit-text-stroke: 10px;
    background: linear-gradient(135deg, #e6e6e6 0%, #ffffff 50%, #e6e6e6 100%);
    -webkit-background-clip: text;
    background-clip: text;
    filter: drop-shadow(0 0 15px rgba(255, 255, 255, 0.3));
    animation: glow 3s ease-in-out infinite;
}

@keyframes glow {
    0% {
        filter: drop-shadow(0 0 0px rgba(255, 255, 255, 0));
    }
    50% {
        filter: drop-shadow(0 0 15px rgba(255, 255, 255, 0.5));
    }
    100% {
        filter: drop-shadow(0 0 0px rgba(255, 255, 255, 0));
    }
}

@media screen and (max-width: 500px) {
    .letter-g {
        font-size: 80vw;
        transform: none !important;
    }
}

.letter-g::after {
    content: 'G';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-image: radial-gradient(circle, rgba(255, 255, 255, 0.5) 1px, transparent 1px);
    background-size: 6px 6px;
    -webkit-background-clip: text;
    background-clip: text;
    z-index: 1;
}

/* 添加一个额外的伪元素来创建镂空效果 */
.letter-g::before {
    content: 'G';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: #000;
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
    -webkit-text-stroke: 3.5px transparent;
    z-index: 1;
}