.sky {
    position: absolute;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    overflow: hidden;
    opacity: .6;
    pointer-events: none;
    z-index: 8
}

.sky .clouds1 {
    background: url("../images/y2.png") top center;
    background-size: auto 100%;
    position: absolute;
    left: 0;
   top: 81%;
       height: 195px;
    width: 300%;
    animation: cloud_one 180s linear infinite;
    transform: translate3d(0,0,0)
}

.sky .clouds2 {
    background: url(../images/y1.png) top center;
    background-size: auto 100%;
    position: absolute;
    right: 0;
    top: 52%;
	height: 387px;
	width: 300%;
    animation: cloud_two 160s linear infinite;
    transform: translate3d(0,0,0)
}

.sky .clouds3 {
    background: url(https://www.swu.edu.cn/images/mb/cod3.png) top center;
    background-size: auto 100%;
    position: absolute;
    left: 0;
    top: 8%;
    height: 235px;
    width: 300%;
    animation: cloud_three 150s linear infinite;
    transform: translate3d(0,0,0);
    z-index: 8
}


#flowers {
    width: 100%;
    height: 100%;
    position: absolute;
    top: 0;
    left: 0;
    overflow: hidden;
    z-index: 9;
    pointer-events: none
}

#flowers .dot {
    position: absolute;
}

#flowers .ani1 {
    width: 1.44rem;
    height: 1.34rem;
    background: url(https://www.swu.edu.cn/images/mb/s1.png) no-repeat center;
    background-size: 100% 100%;
}

#flowers .ani2 {
    width: 2.28rem;
    height: 2.26rem;
    background: url(https://www.swu.edu.cn/images/mb/s2.png) no-repeat center;
    background-size: 100% 100%;
}

#flowers .ani3 {
    width: 2.29rem;
    height: 2.21rem;
    background: url(https://www.swu.edu.cn/images/mb/s4.png) no-repeat center;
    background-size: 100% 100%;
}

#flowers .ani4 {
    width: 2.28rem;
    height: 2.26rem;
    background: url(https://www.swu.edu.cn/images/mb/s2.png) no-repeat center;
    background-size: 100% 100%;
}

#flowers .ani5 {
    width: 1.29rem;
    height: 1.21rem;
    background: url(https://www.swu.edu.cn/images/mb/s4.png) no-repeat center;
    background-size: 100% 100%;
}


.banner .swiDots {
    position: absolute;
    bottom: .5rem;
    left: 10%;
    z-index: 5;
    right: 10%;
    width: auto;
    text-align: center;
}

.banner .swiDots span {
    background: transparent;
    width: 12px;
    height: 12px;
    margin: 10px;
    position: relative;
    border-radius: 50%;
    vertical-align: middle;
    opacity: 1;
    transition: .3s;
    border: 2px solid rgba(255, 255, 255, 0.61);
	text-align: center;
}

.banner .swiDots span+span:after {
   content: '';
   height: 1px;
   background: rgba(255, 255, 255, .5);
  /* width: 20px;
   right: 37px; */
   position: absolute;
   top: 50%;
}

.banner .swiDots .cls-1 {
    fill: none;
    stroke: #fff;
    stroke-linecap: round;
    stroke-miterlimit: 10;
    stroke-width: 1px;
}

.banner .swiDots span svg {
    height: .44rem;
    position: absolute;
    top: 50%;
    margin-top: -29px;
       left: 50%;
       margin-left: -7px;
       width: 45px;
       height: 45px;
}

.banner .swiDots span img {
    opacity: 0;
    visibility: hidden;
    transition: .3s;
}

.banner .swiDots span.bactive {
    opacity: 1;
    border-color: transparent;
	margin-right: 20px;
}

.banner .swiDots span.bactive img {
    opacity: 1;
    visibility: visible;
}
.swiper-container-horizontal>.swiper-pagination-bullets .swiper-pagination-bullet {
    margin: 0 px!important;
}

@keyframes cloud_one {
    0% {
        left: 0
    }

    100% {
        left: -200%
    }
}

@keyframes cloud_two {
    0% {
        right:0; 
    }

    100% {
        right: -200%;
    }
}

@keyframes cloud_three {
    0% {
        left: 0
    }

    100% {
        left: -200%
    }
}