body {
    padding: 0;
    margin: 0;
    
}

#page-two-whole {
    width: 100%;
    position: relative;
}
.page-two-bg{
    width: 100%;
    
    
    
}
/* 背景 */
.page-two-bg-part1,
.page-two-bg-part2 {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    width: 100%;
    display: block;
}

.page-two-bg-part1 {
    background: #000 url(../images/stars.png) repeat top center;
    z-index: -3;
}

.page-two-bg-part2 {
    background: transparent url(../images/twinkling.png) repeat top center;
    z-index: -3;
    -webkit-animation: twink 200s linear infinite;
    animation: twink 200s linear infinite;
}

@keyframes twink {
    from {
        background-position: 0 0;
    }
    to {
        background-position: -10000px 5000px;
    }
}

@-moz-keyframes twink {
    from {
        background-position: 0 0;
    }
    to {
        background-position: -10000px 5000px;
    }
}

@-webkit-keyframes twink {
    from {
        background-position: 0 0;
    }
    to {
        background-position: -10000px 5000px;
    }
}



/* 火箭 */
.rocketanimation>img {
    height: 15vw;
    width: 10vw;
    display: block;
    position: absolute;
}

.rocketanimation {
    width: 40vw;
    top: 36%;
    left: 20%;
    height: 20%;
    transform: rotate(34deg);
    transform-origin: center 100px;
    animation: rocket 10s linear 0s infinite;
    -webkit-animation: rocket 10s linear 0s infinite;
    position: absolute;
}

@keyframes rocket {
    0% {
        -webkit-transform: rotate(0deg);
        transform: rotate(0deg);
    }
    25% {
        -webkit-transform: rotate(90deg);
        transform: rotate(90deg);
    }
    50% {
        -webkit-transform: rotate(180deg);
        transform: rotate(180deg);
    }
    75% {
        -webkit-transform: rotate(270deg);
        transform: rotate(270deg);
    }
    100% {
        -webkit-transform: rotate(360deg);
        transform: rotate(360deg);
    }
}

/* 标题 */

.page-two-line-one-font {
    width: 70%;
    text-align: center;
    margin: 3vw auto;
    font-size: 3vw;
    color: white;
    z-index: 2000;
}

.page-two-line-one-font>span {
    white-space: nowrap;
}


/* 倒三角 */

.line-two-triangle {
    width: 0px;
    height: 0px;
    margin: auto;
    border-left: 1.3em solid transparent;
    border-right: 1.3em solid transparent;
    border-top: 1.3em solid skyblue;
}

/* 左边的方块 */
#page-two-line-two{
    display: flex;
    width: 80%;
    margin: 0 auto;

}

.page-two-line-two-left{
    flex:4;
    align-items: center;
}
/* 左边盒子 */
.line-two-box{
    width: 80%;
    height: 24vw;
    margin: 3vw auto;
    padding:2vw;
    border: rgba(255, 255, 255,0.5) solid 0.5vw;
    color: white;
    font-size: 1.4vw;
}



/* 右边一堆 */
.page-two-line-two-right {
    flex: 6;
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
}

.round {
    width: 12vw;
    height: 12vw;
    margin-top: 3vw;
    margin-right: 2vw;
    border-radius: 50%;
    font-size:2vw;
    background-size: 100%;
    transform: scaleY(1);
}

.round img {
    z-index: 100;
    border-radius: 50%;
    width: 100%;
    height: 100%;
    transform: scaleY(1);
    display: block;
}

.round .round-hidden {
    text-align: center;
    width: 100%;
    height: 100%;
    border-radius: 50%;
    transition: all 0.5s linear;
    opacity: 0;
    display: flex;
    justify-content: center;
    align-items: center;
    position: absolute;
    top: 0;
    z-index: 200;
}

.round h2 {
    border-bottom: 1px solid rgba(0, 0, 0, 0.3);
    background: transparent;
    transform: scale(0);
    color: white;
    font-size: 0.8em;
    transition: all 0.5s linear;
    opacity: 0;
}


/* hover隐藏 */
.round:hover img {
    opacity: 0.6;
}

.round:hover .round-hidden {
    opacity: 1;
}

.round:hover h2 {
    transform: scale(1);
    opacity: 1;
}

.border-spinning {
    width: 100%;
    height: 100%;
    border-radius: 50%;
    box-sizing: border-box;
    border-left: 0.5vw solid lightgreen;
    border-top: 0.5vw solid lightgreen;
    border-bottom: 0.5vw solid skyblue;
    border-right: 0.5vw solid skyblue;
    position: absolute;
    top: 0;
    z-index: 1200;
    transition: all .8s ease-in-out
}


.round:hover .border-spinning {
    -webkit-transform: rotate(180deg);
    -moz-transform: rotate(180deg);
    transform: rotate(180deg);
}