body {
    padding: 0;
    margin: 0;
    font-size: 12px;
}

#top img,
#title img,
#roi img,
#opitm img,
#cpx img,
#apps img,
#about img,
#tj img,
#bottom img {
    width: 100%;
}

#list {
    display: flex;
}

#list img {
    width: 20%;
}

.tool {
    display: flex;
    justify-content: space-between;
    align-items: center;
    background: rgba(255, 255, 255, 0.3);
    border: solid rgba(255, 255, 255, 0.6) 1px;
    position: absolute;
    margin: 3vw 3vw 0 3vw;
    padding: 1vw;
    width: 91vw;
    border-radius: 1vw;
}

.flex {
    display: flex;
}

.top-butten {
    color: #fff;
    font-size: 1vw;
    height: fit-content;
    padding: 0.5vw 1vw;
}

.top-butten-choose {
    color: black;
    background: #fff;
    border-radius: 6px;
}

.title {
    color: #fff;
    font-weight: bold;
    position: absolute;
    display: flex;
    justify-content: center;
    align-items: center;
    flex-direction: column;
    top: 18vw;
    width: 90vw;
    font-size: 3.6vw;
}

.title span:nth-child(1) {
    white-space: nowrap;
    overflow: hidden;
    animation-name: print;
    animation-duration: 1.2s;
    animation-timing-function: steps(6);
}

.title span:nth-child(2) {
    white-space: nowrap;
    overflow: hidden;
    animation-name: print2;
    animation-duration: 1.5s;
    animation-timing-function: steps(6);
}

@keyframes print {
    0% {
        width: 0;
    }

    100% {
        width: 15vw;
        border-right: unset;
    }
}

@keyframes print2 {
    0% {
        width: 0;
    }

    100% {
        width: 56vw;
        border-right: unset;
    }
}

.yuan {
    position: absolute;
    top: 9vw;
    left: 25vw;
    animation: rotate 8s linear infinite;

}

@keyframes rotate {
    0% {
        transform: rotate(0deg);
    }

    100% {
        transform: rotate(360deg);
    }
}

.beian {
    color: #160706;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    margin: 20px 0px;
}