html {
    background-color: #000;
    background-image: url("bg.png");
    overflow: hidden;
    background-attachment:fixed;
    background-size: 100% 100%;
    background-repeat: no-repeat;
}



h1{
    color: #000;
    font-weight: 500;
    font-style: normal;
    text-transform: uppercase;
}


/* Container Settings */
.container {
    position: absolute;
    font-family: "Montserrat Alternates", sans-serif;
  font-weight: 700;
  font-style: normal;
    color: #000;
    top: -4%; 
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    perspective: 700px;
    visibility: visible;
}


/* 3D Text Style */
.hi {
    font-size: 120px;
    font-stretch: 100%;
    text-transform: uppercase;
    text-align: center;
    transform-style: preserve-3d;
}

.hi__cuboid {
    position: relative;
    width: 500px;
    height: 90px;
    transform-style: preserve-3d;
    animation: rotate 40s infinite linear; 
}

.hi__cuboid .face {
    position: absolute;
    left: 0;
    top: 0;
    display: flex;
    align-items: center;
    justify-content: center;
}

/* Faces of the cuboid */
.face--front { transform: translateZ(35px); }
.face--back { transform: translateZ(-35px) rotateY(180deg); }
.face--left { width: 70px; height: 70px; transform: translateX(-35px) rotateY(-90deg); }
.face--right { width: 70px; height: 70px; transform: translateX(465px) rotateY(90deg); }
.face--top { transform: translateY(40px) rotateX(90deg); }
.face--bottom { transform: translateY(45px) translateZ(-85px) rotateX(-90deg); }

/* Base and Location */
.hi__base {
    position: absolute;
    z-index: 0;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 752px;
    height: 250px;
}
.hi__base-plate {
    width: 100%;
    height: 100%;
    background: black;
    border: 1px solid var(--grey);
}
.hi__location {
    position: absolute;
    font-size: 20px;
    font-weight: 400;
}

/* Rotation Animation */
@keyframes rotate {
    0% { transform: rotateY(0deg); }
    100% { transform: rotateY(360deg); }
}


.inner-container {
    transform-style: preserve-3d;
    transition: transform 0.1s ease;
}




.circle, .ellipse, .small-circle, .large-ellipse {
    position: absolute;
    border: 1px solid #000; /* 边框颜色 */
    border-radius: 50%;
    opacity: 0.6;
    background-color: transparent;
}

/* 各种形状的位置和大小 */
.circle {
    width: 200px;
    height:200px;
    top: 81%;
    left: 17%;
    border: 3px solid #000; 
    transform: translate(-50%, -50%);
}

.large-ellipse {
    width: 850px;
    height: 880px;
    top: 70%;
    left:50%;
    transform: translate(-50%, -50%);
}

.small-circle {
    width: 360px;
    height:3060px;
    top: 75%;
    left: 27%;
    border: 0.5px solid #000; 
    transform: translate(-50%, -50%);
}

.ellipse {
    width: 300px;
    height: 80px;
    top: 105%;
    left: 10%;
    rotate: 40deg;
    border: 2px solid #000; 
    transform: translate(-50%, -50%);
}

/* PNG 图片样式 */
.png-image {
    position: absolute;
    width: 10%;
    height: auto;
    opacity: 0;
    transition: opacity 0.8s ease, transform 5s ease;
    z-index: -1;
}










@media screen and (max-width: 430px) {

    html {
        background-color: transparent; 
        background-image: url("bgs.png");
    }

    .container {
        perspective: 100vw;
    }

    .container {
        top: 20%;
        width: 90%;
        transform: translateX(-40%);
    }


    .face--front { transform: translateZ(25px); }
.face--back { transform: translateZ(-25px) rotateY(180deg); }
.face--left { width: 70px; height: 70px; transform: translateX(-35px) rotateY(-90deg); }
.face--right { width: 70px; height: 70px; transform: translateX(465px) rotateY(90deg); }
.face--top { transform: translateY(20px) rotateX(90deg); }
.face--bottom { transform: translateY(20px) translateZ(-5px) rotateX(-90deg); }

    .hi__cuboid {
        width: 100px; 
        height: 70px; 
    }

    .hi__cuboid .face {
        font-size: 90px; 
    }

    .hi__base {
        width: 352px;
    }


    /* 各种形状的调整 */
    .circle {
        width: 200px; /* 缩小大小 */
        height:200px;
        top: 85%;
        left: 10%;
        border: 2px solid #000;
    }

    .large-ellipse {
        width: 400px; /* 缩小大小 */
        height: 400px;
        top: 75%;
        left:20%;
    }

    .small-circle {
        width: 180px; /* 缩小大小 */
        height: 180px;
        top: 78%;
        left: 15%;
        border: 0.5px solid #000;
    }

    .ellipse {
        width: 190px; /* 缩小大小 */
        height: 80px;
        top: 85%;
        left: 15%;
        border: 1px solid #000;
    }

}