.alimama {
    font-family: 'alimama';
}

.ArchivoNarrow {
    font-family: 'ArchivoNarrow';
}

.Staatliches {
    font-family: 'Staatliches';
}

.puhui_l {
    font-family: 'puhui_l';
}

.siyuan {
    font-family: 'siyuan';
}

body {
    font-family: 'siyuan';
}

.swiper-container {
    width: 100vw;
    height: 100vh;
}

.swiper-wrapper {
    white-space: nowrap;
}
.swiper-slide{
    transform: translate3d(0, 0, 0);
    overflow: hidden;
}
.swiper-slide iframe {
    width: 100vw;
    height: 100vh;
    overflow: hidden;
}
#webgl-output {
    width: 100vw;
    height: 100vh;
    position: absolute;
    top: 0px;
    left: 0px;
    overflow: hidden;
}

#webgl-output canvas {
    width: 100vw;
    height: 100vh;
    position: absolute;
    top: 0px;
    left: 0px;
    overflow: hidden;
}

.cloud_page {
    height: 100vh;
    background: linear-gradient(180deg, rgba(15, 81, 174, 1) 0%, #91c3ff 36.31%, rgba(255, 255, 255, 1) 80%);
}

.cloud_page2 {
    height: 100vh;
    background: #F8F9FD;
}

.logo {
    position: absolute;
    left: 0.15rem;
    top: 0.15rem;
    width: 1.05rem;
}

.com_title {
    padding-top: 0.5rem;
    text-align: center;
}

.com_title .title {
    /* opacity: 0; */
    text-shadow: 0px 2px 4px rgba(0, 0, 0, 0.25);
    font-size: 1.33rem;
    font-weight: 400;
    letter-spacing: 0.1rem;
    line-height: 1.2rem;
    color: rgba(255, 255, 255, 1);
    font-family: 'alimama';
    position: relative;
    z-index: 99;
}

.com_title .title span {
    margin-right: 1.8rem;
}

.com_title .title span:last-child {
    margin-right: 0;
}

.com_title2 {
    padding: 0.5rem;
    position: relative;
}

.com_title3 {
    padding: 0.5rem;
    position: relative;
}

.com_title2::before {
    content: '';
    width: 7.62rem;
    height: 7.62rem;
    background: url(../images/cloud.png) no-repeat center/cover;
    position: absolute;
    top: -0.3rem;
    left: 35%;
    transform: translateX(-50%);
    /* z-index: -1; */
    animation: cloudMove 10s linear infinite;
}

@keyframes cloudMove {
    0% {
        transform: translateX(-50%);
    }

    50% {
        transform: translateX(-20%);
    }

    100% {
        transform: translateX(-50%);
    }
}

.com_title2 .title {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    letter-spacing: 0.05rem;
    font-size: 0.9333rem;
}

.com_title2 .title span:first-child {
    font-size: 0.4rem;
    line-height: 0.4rem;
    letter-spacing: 0;
    font-family: 'puhui';
}

.com_title3 {
    display: flex;
    align-items: center;
}

.com_title3 .title {
    font-size: 0.69rem;
    float: left;
}

.com_title3 .title span {
    margin: 0;
}

.com_title .titleBgc {
    /* opacity: 0; */
    font-size: 2.26rem;
    font-weight: 700;
    letter-spacing: 0.26rem;
    white-space: nowrap;
    line-height: 2.28rem;
    color: rgba(4, 43, 64, 0.6);
    font-family: 'ArchivoNarrow';
    text-align: center;
    margin: -0.9rem -0.3rem 0 0;
    -webkit-mask-image: linear-gradient(to bottom,
            rgba(0, 0, 0, 1) 25%,
            rgba(0, 0, 0, 0) 80%);
    mask-image: linear-gradient(to bottom,
            rgba(0, 0, 0, 1) 25%,
            rgba(0, 0, 0, 0) 80%);
}

.com_title2 .titleBgc {
    font-size: 1.22rem;
    line-height: 1.6rem;
    margin: 0 auto;
    margin-top: -0.2rem;
    letter-spacing: 0;
    color: rgba(255, 255, 255, 0.3);
}

.com_title3 .titleBgc {
    display: inline-block;
    color: #E0E0E0;
    font-size: 0.93rem;
    line-height: 0.93rem;
    letter-spacing: 0;
    -webkit-mask-image: unset;
    mask-image: unset;
    margin: 0.1rem 0 0 0.5rem;
    text-align: left;
}

.aircraft {
    width: 8.24rem;
    height: 10rem;
    background-image: url('../images/aircraft2.png');
    background-repeat: no-repeat;
    background-size: 100% 660rem;
    /* background-size: auto;
    background-position-y: 0;
    transition: background-position 0s linear; */
    animation: plays 3s steps(66) infinite;
}
@keyframes play {
    0% {
        background-position-y: 0;
    }

    100% {
        background-position-y: -1310rem;
    }
}
@keyframes plays {
    0% {
        background-position-y: 0;
    }

    100% {
        background-position-y: -660rem;
    }
}
.aircraft_list {
    position: absolute;
    left: 10vw;
    right: 10vw;
    top: 28vh;
    height: 35vh;
    z-index: 9999;
    font-family: 'Staatliches';
    color: rgba(26, 91, 181, 1);
    font-size: 0.2933rem;
}

.aircraft_list label {
    color: #5E5E5E;
    font-size: 0.2667rem;
}

.aircraft_list li {
    /* opacity: 0; */
    width: 2.44rem;
    height: 0.58rem;
    display: flex;
    align-items: center;
    justify-content: space-around;
    border-left: 4px solid rgba(255, 152, 92, 1);
    background: rgba(255, 255, 255, 0.8);
    box-shadow: 0px 2.67px 5.33px rgba(0, 0, 0, 0.16);
    position: absolute;
}

.aircraft_list li:first-child {
    left: 10%;
    top: 0;
}

.aircraft_list li:first-child::before {
    content: '';
    width: 3rem;
    height: 0.82rem;
    background: url(../images/line1.svg) no-repeat center/100% auto;
    position: absolute;
    right: -3rem;
    top: 0;
    transform: scaleX(-1) translateY(-52%);
}

.aircraft_list li:nth-child(2) {
    left: 0;
    top: 40%;
    animation-delay: 0.3s !important;
}

.aircraft_list li:nth-child(2)::before {
    content: '';
    width: 4.8rem;
    height: 0.82rem;
    background: url(../images/line2.svg) no-repeat center/100% auto;
    position: absolute;
    right: -4.8rem;
    top: 0.15rem;
    transform: scaleX(-1);
}

.aircraft_list li:nth-child(3) {
    left: 8%;
    bottom: 0;
    animation-delay: 0.6s !important;
}

.aircraft_list li:nth-child(3)::before {
    content: '';
    width: 2.37rem;
    height: 1.2rem;
    background: url(../images/line4.svg) no-repeat center/100% auto;
    position: absolute;
    right: -2.37rem;
    top: 0.23rem;
    transform: scaleX(-1);
}

.aircraft_list li:nth-child(4) {
    right: 10%;
    top: 0;
    animation-delay: 0.9s !important;
}

.aircraft_list li:nth-child(4)::before {
    content: '';
    width: 3rem;
    height: 0.82rem;
    background: url(../images/line1.svg) no-repeat center/100% auto;
    position: absolute;
    left: -3rem;
    top: 0;
    transform: translateY(-50%);
}

.aircraft_list li:nth-child(5) {
    right: 0;
    top: 40%;
    animation-delay: 1.2s !important;
}

.aircraft_list li:nth-child(5)::before {
    content: '';
    width: 4rem;
    height: 1.2rem;
    background: url(../images/line3.svg) no-repeat center/100% auto;
    position: absolute;
    left: -4rem;
    top: 0.78rem;
    transform: scaleX(-1) translateY(-50%);
}

.aircraft_list li:nth-child(6) {
    right: 8%;
    bottom: 0;
    animation-delay: 1.5s !important;
}

.aircraft_list li:nth-child(6)::before {
    content: '';
    width: 1.64rem;
    height: 1.64rem;
    background: url(../images/line5.svg) no-repeat center/100% auto;
    position: absolute;
    left: -1.64rem;
    top: 1.1rem;
    transform: scaleX(-1) translateY(-50%);
}

.aircraft_list2 {
    width: 100%;
    height: 18vh;
    position: absolute;
    bottom: 0;
    left: 0;
    padding: 0 0.3rem;
    box-sizing: border-box;
    z-index: 9999;
}

.aircraft_list2>div {
    display: flex;
    /* opacity: 0; */
}

.aircraft_list2 li {
    margin: 0 0.2rem;
}

.aircraft_list2 .title {
    font-family: 'puhui_l';
    font-size: 0.36rem;
    font-weight: 500;
    line-height: 0.3276rem;
    color: #000000;
}

.aircraft_list2 .progress {
    width: 1.6933rem;
    height: 0.0533rem;
    background: #E6EDF7;
    border-radius: 0.0667rem;
    margin: 0.1333rem 0;
    position: relative;
    margin-bottom: 0.15rem;
}

.aircraft_list2 .progress span {
    position: absolute;
    left: 0;
    top: 0;
    height: 100%;
}

.aircraft_list2 li:first-child .progress span,
.aircraft_list2 li:nth-child(3) .progress span {
    background: #4BC230;
}

.aircraft_list2 li:nth-child(2) .progress span,
.aircraft_list2 li:last-child .progress span {
    background: #FF985C;
}

.aircraft_list2 h4 {
    font-family: 'puhui_l';
    font-size: 0.24rem;
    font-weight: 600;
    letter-spacing: 0px;
    line-height: 0.4276rem;
}

.aircraft_list2 h4 span {
    font-family: 'Staatliches';
    font-size: 0.5067rem;
    font-weight: 400;
    letter-spacing: 0px;
    line-height: 0.4276rem;
    color: rgba(26, 91, 181, 1);
    margin-right: 0.04rem;
}

.build {
    position: absolute;
    right: -1.2rem;
    top: -0.8rem;
    width: 13.77rem;
    height: 7.6680rem;
    background-image: url('../images/build.png');
    background-repeat: no-repeat;
    background-size: 100% 736.13rem;
    animation: buildPlay 3s steps(96) infinite;
    /* background-position-y: 0;
    background-size: auto;
    transition: background-position 0s linear;  */
    transform: translate3d(0, 0, 0); 
    will-change: background-position-y;
}

@keyframes buildPlay {
    0% {
        background-position-y: 0;
    }

    100% {
        background-position-y: -736.13rem;
    }
}

.label_list {
    display: flex;
    align-items: center;
    flex-wrap: wrap;
    justify-content: space-between;
    padding: 0 0.6rem;
    position: absolute;
    left: 0;
    top: 49vh;
    width: 100%;

}

.label_list .label_card {
    width: 3.24rem;
    height: 0.74rem;
    line-height: 0.65rem;
    text-align: center;
    border-radius: 0.0533rem;
    background: rgba(255, 255, 255, 1);
    box-shadow: 0px 2.67px 5.33px rgba(0, 0, 0, 0.25);
    margin: 2vh 0;
    cursor: pointer;
    font-size: 0.32rem;
    color: #000;
    font-weight: 600;
    font-family: 'puhui_l';
    position: relative;
    border-top: 4px solid #fff;
    --offset-multiplier: 0.04rem;
    transition: -webkit-transform 0.6s ease;
    transition: transform 0.6s ease;
    transition: transform 0.6s ease, -webkit-transform 0.6s ease;
    --translate: 0;
    -webkit-transform: translate(var(--translate), var(--translate));
    transform: translate(var(--translate), var(--translate));
}

.label_list .child {
    position: absolute;
    width: 100%;
    height: 100%;
    padding: 0 0.16rem;
    box-sizing: border-box;
    background: #fff;
    box-shadow: 0px 0.04rem 0.08rem rgba(0, 0, 0, 0.1), 0px -4px 8px rgba(255, 255, 255, 0.4);
    border-radius: 0.06rem;
    transition: inherit;
    --translate: calc(var(--offset) * var(--offset-multiplier));
    -webkit-transform: translate(var(--translate), var(--translate));
    transform: translate(var(--translate), var(--translate));
    z-index: 5;
}

.label_list li:hover,
.label_list li.active {
    border-top: 4px solid rgba(26, 91, 181, 1);
    --offset-multiplier: 0.06rem;
    --translate: calc(-1px * 2);
    transition: -webkit-transform 0.3s ease;
    transition: transform 0.3s ease;
    transition: transform 0.3s ease, -webkit-transform 0.3s ease;
    transition: border-top 0.3s ease;
}

.label_list li:hover .child,
.label_list li.active .child {
    box-shadow: 0px 4px 8px rgba(26, 91, 181, 0.1);
    transition: box-shadow 0.3s ease;
}

.label_list .child:nth-child(1) {
    --offset: 0;
    z-index: 4;
}

.label_list .child:nth-child(2) {
    --offset: 1;
    z-index: 3;
}

.label_list .child:nth-child(3) {
    --offset: 2;
    z-index: 2;
}

.label_list .child:nth-child(4) {
    --offset: 3;
    z-index: 1;
}

.main_text {
    position: absolute;
    left: 0;
    top: 70vh;
    width: 100%;
    height: 20vh;
    padding: 0 0.6rem;
    box-sizing: border-box;
    background: url('../images/main_bg.png') no-repeat;
    background-size: cover;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.main_text h2 {
    font-size: 0.93rem;
}

.main_text p {
    font-size: 0.42rem;
}

.main_text h3 {
    font-size: 0.34rem;
}

.main_text .bdr-1 {
    border-right: 1.33px solid #E0E0E0;
}

.main_text #num {
    display: inline-block;
    width: 1.6rem;
}

.tag_list {
    position: absolute;
    bottom: 0;
    left: 0.6rem;
    right: 0.6rem;
    height: 9.5vh;
}

.tag_list ul {
    position: absolute;
    left: 0;
    top: 0;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.tag_list li {
    float: left;
    flex: 1;
}

.card_list {
    height: 6.56rem;
    margin-top: 2vh;
    display: flex;
    align-items: stretch;
}
.card_list ul {
    display: flex;
    justify-content: space-between;
    padding: 0 0.15rem;
}

.card_list ul li {
    position: relative;
    flex: 1;
    margin: 0 0.4rem;
    padding-top: 2rem;
    border-radius: 0.07rem;
    background: rgba(255, 255, 255, 1);
    box-shadow: 0px 2.67px 8px 4px rgba(138, 138, 138, 0.25);
}
.card_list ul li a{
    color: #333;
}

.card_list ul li .title {
    position: absolute;
    left: -0.13rem;
    right: -0.41rem;
    top: -0.11rem;
    height: 2.33rem;
    background: url(../images/card_bgc1.png) no-repeat center/100% 100%;
    padding-left: 10%;
    padding-top: 0.4rem;
    box-sizing: border-box;
    color: #fff;
}

.card_list ul li:nth-child(2) .title {
    background: url(../images/card_bgc2.png) no-repeat center/100% 100%;
}

.card_list ul li:nth-child(3) .title {
    background: url(../images/card_bgc3.png) no-repeat center/100% 100%;
}

.card_list ul li .title h3 {
    display: block;
    margin-right: 17%;
    font-size: 0.34rem;
    font-weight: 700;
    padding: 0.1rem 0;
    border-bottom: 1px solid white;
}

.card_list ul li .title p {
    font-size: 0.2rem;
    padding: 0.16rem 0;
}

.card_list ul li .title img {
    width: 2.33rem;
    position: absolute;
    left: -1.5rem;
    top: -0.2rem;
    opacity: 0;
}
.card_list ul li.active .title h3 {
    /* display: inline-block; */
    margin-right: 30%;
    transition: all 0.5s ease-in-out;
}

.card_list ul li.active .title {
    padding-left: 50%;
    transition: padding-left 0.5s ease-in-out;
}
.card_list ul li.active .title p{
    max-width: 50%;
    line-height: 0.28rem;
    white-space: pre-wrap;
}
.card_list ul li.active .title img{
    opacity: 1;
    left: -0.5rem;
    transition: all 0.7s ease-in-out;
}

.card_list ul li .icon-link {
    display: inline-block;
    width: 0.56rem;
    height: 0.56rem;
    background: url(../images/icon-link.png) no-repeat center/100% 100%;
    position: absolute;
    right: 0.55rem;
    bottom: 0.45rem;
}

.speaker-frame {
    width: 100%;
    height: 0.7rem;
    display: flex;
    flex-direction: column;
    overflow: hidden;
}

.equalizer {
    display: flex;
    justify-content: space-between;
    align-items: flex-end;
    height: 0.6rem;
    padding: 0 0.3rem;
    z-index: 1;
}

.bar {
    width: 1px;
    background: #E3E3E3;
    border-radius: 2px;
    transform-origin: bottom;
    box-shadow: 0 0 3px rgba(0, 0, 0, 0.1);
}

.bar:nth-child(15n+1) {
    animation: sound-1 0.8s ease-in-out infinite alternate;
}

.bar:nth-child(15n+2) {
    animation: sound-2 1.1s ease-in-out infinite alternate;
}

.bar:nth-child(15n+3) {
    animation: sound-3 0.7s ease-in-out infinite alternate;
}

.bar:nth-child(15n+4) {
    animation: sound-1 0.9s ease-in-out infinite alternate 0.1s;
}

.bar:nth-child(15n+5) {
    animation: sound-2 1.2s ease-in-out infinite alternate 0.2s;
}

.bar:nth-child(15n+6) {
    animation: sound-3 0.6s ease-in-out infinite alternate 0.1s;
}

.bar:nth-child(15n+7) {
    animation: sound-1 1.3s ease-in-out infinite alternate 0.3s;
}

.bar:nth-child(15n+8) {
    animation: sound-2 0.8s ease-in-out infinite alternate 0.2s;
}

.bar:nth-child(15n+9) {
    animation: sound-3 1s ease-in-out infinite alternate 0.1s;
}

.bar:nth-child(15n+10) {
    animation: sound-1 0.7s ease-in-out infinite alternate 0.3s;
}

.bar:nth-child(15n+11) {
    animation: sound-2 1.2s ease-in-out infinite alternate 0.1s;
}

.bar:nth-child(15n+12) {
    animation: sound-3 0.9s ease-in-out infinite alternate 0.2s;
}

.bar:nth-child(15n+13) {
    animation: sound-1 1.1s ease-in-out infinite alternate 0.3s;
}

.bar:nth-child(15n+14) {
    animation: sound-2 0.8s ease-in-out infinite alternate 0.1s;
}

.bar:nth-child(15n+15) {
    animation: sound-3 1.3s ease-in-out infinite alternate 0.2s;
}

.bar:nth-child(n+16):nth-child(-n+30) {
    animation-delay: 0.15s !important;
}

.bar:nth-child(n+31):nth-child(-n+45) {
    animation-direction: alternate-reverse !important;
}

.bar:nth-child(n+46) {
    animation-timing-function: cubic-bezier(0.1, 0.7, 1.0, 0.1) !important;
}

@keyframes sound-1 {
    0% {
        height: 0.06rem;
    }

    100% {
        height: 0.2rem;
    }
}

@keyframes sound-2 {
    0% {
        height: 0.01rem;
    }

    100% {
        height: 0.3rem;
    }
}

@keyframes sound-3 {
    0% {
        height: 0.15rem;
    }

    100% {
        height: 0.49rem;
    }
}

.card_list ul{
    width: 75%;
    cursor: pointer;
}
.card_list ul:nth-child(2){
    width: 25%;
    height: 100%;
}
.card_list ul li .icon-round {
    display: inline-block;
    width: 0.4933rem;
    height: 0.4933rem;
    background-color: #202E68;
    border-radius: 50%;
}
.card_list ul li.active .icon-round {
    animation: fzAnimation 8s linear infinite;
}
.card_list ul li .icon-round.round1 {
    background-image: url(../images/list-icon1.svg);
    background-repeat: no-repeat;
    background-size: 0.2rem 0.2rem;
    background-position: center;
}

.card_list ul li .icon-round.round2 {
    background-image: url(../images/list-icon2.svg);
    background-repeat: no-repeat;
   background-size: 0.2rem 0.2rem;
    background-position: center;
}

.card_list ul li .icon-round.round3 {
    background-image: url(../images/list-icon3.svg);
    background-repeat: no-repeat;
    background-size: 0.2rem 0.2rem;
    background-position: center;
}
.card_list ul li:nth-child(2) .icon-round.round1 {
    background-image: url(../images/list2-1.svg);
    background-repeat: no-repeat;
    background-size: 0.27rem 0.27rem;
    background-position: center;
}

.card_list ul li:nth-child(2) .icon-round.round2 {
    background-image: url(../images/list2-2.svg);
    background-repeat: no-repeat;
     background-size: 0.26rem 0.26rem;
    background-position: center;
}

.card_list ul li:nth-child(2) .icon-round.round3 {
    background-image: url(../images/list2-3.svg);
    background-repeat: no-repeat;
    background-size: 0.26rem 0.26rem;
    background-position: center;
}
.card_list ul li:nth-child(3) .icon-round.round1 {
    background-image: url(../images/list3-1.svg);
    background-repeat: no-repeat;
     background-size: 0.26rem 0.26rem;
    background-position: center;
}

.card_list ul li:nth-child(3) .icon-round.round2 {
    background-image: url(../images/list3-2.svg);
    background-repeat: no-repeat;
     background-size: 0.26rem 0.26rem;
    background-position: center;
}

.card_list ul li:nth-child(3) .icon-round.round3 {
    background-image: url(../images/list3-3.svg);
    background-repeat: no-repeat;
     background-size: 0.26rem 0.26rem;
    background-position: center;
}
.card_list ul li:nth-child(2) .icon-round {
    background-color: #3C61CC;
}

.card_list ul li:nth-child(3) .icon-round {
    background-color: #2B40A5;
}

.card_list ul:nth-child(2){
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    height: 100%;
    padding: 0;
    box-shadow: none;
}
.card_list ul:nth-child(2) li{
    box-shadow: none;
    background: none;
    padding-top: 0;
    margin: 0 0.4rem 0.3rem;
    flex: 1;
    background: red;
    padding-top: 0;
    overflow: hidden;
    box-shadow: 0px 2.67px 5.33px  rgba(0, 0, 0, 0.25);
}

.card_list ul:nth-child(2) li:last-child {
    margin-bottom: 0;
}

.card_list ul:nth-child(2) li .title {
    left: 0;
    right: 0;
    top: 0;
    padding: 0.2rem 0;
}

.card_list ul:nth-child(2) li .title h3 {
    display: inline-block;
    width: 2.5333rem;
    height: 0.6267rem;
    line-height: 0.6267rem;
    background: linear-gradient(90deg, rgba(255, 255, 255, 1) 0%, rgba(255, 255, 255, 0) 100%);
    font-size: 0.4rem;
    color: #000;
    border: none;
    padding: 0 0.3rem;
}
.card_list ul:nth-child(2) li .title p{
    padding: 0.2rem 0.3rem;
}
.card_list ul:nth-child(2) li .title .icon-link{
    right: 0.2rem;
    bottom: 0.2rem;
}

.card_list ul:nth-child(2) li:first-child .title {
    height: 100%;
    background: url(../images/card_bgc4.png) no-repeat center / cover;
}

.card_list ul:nth-child(2) li:nth-child(2) .title {
    height: 100%;
    background: url(../images/card_bgc5.png) no-repeat center / cover;
}

.card_list ul:nth-child(2) li:nth-child(3) .title {
    height: 100%;
    background: url(../images/card_bgc6.png) no-repeat center / cover;
}

.overlay { position: fixed; z-index: 10; top: 0; left: 0; display: flex; justify-content: center; align-items: center; width: 100%; height: 100%; pointer-events: none; opacity: 1; }
.overlay--loader { z-index: 1000; background: rgba(0, 0, 0, 0.8); }

.loader { display: flex; }
.loader div { width: 30px; height: 30px; margin: -30px 0.6em 0; box-shadow: 0 0 10px rgba(15, 81, 174, 0.3); background: #0276f9; animation: anim-loader 0.8s alternate infinite forwards; animation-timing-function: cubic-bezier(0.215, 0.61, 0.355, 1); }
.loader div:nth-child(2) { border-radius: 50%; background: #fff; animation-delay: 0.15s; }
.loader div:nth-child(3) { animation-delay: 0.3s; }
 @keyframes anim-loader {  100% {
 transform: translate3d(0, 30px, 0) scale3d(0.9, 0.9, 1);
}}



.page_title::before{
    content: '';
    width: 7.62rem;
    height: 7.62rem;
    background: url(../images/cloud.png) no-repeat center / cover;
    position: absolute;
    top: 0rem;
    left: 0;
    animation: cloudTop 10s linear infinite;
    opacity: 0;
}
.page_title::after{
    content: '';
    width: 7.62rem;
    height: 7.62rem;
    background: url(../images/cloud.png) no-repeat center / cover;
    position: absolute;
    bottom: 1.5rem;
    right: 0;
    animation: cloudTop 10s 4s linear infinite;
    opacity: 0;
}
@keyframes cloudTop {
    0%{
        opacity: 0;
        transform: translateY(-30%);
    }
    50%{
        opacity: 1;
        transform: translateY(50%);
    }
    100%{
        opacity: 0;
        transform: translateY(100%);
    }
}
.aircraft_box{
    opacity: 0;
    position: absolute;
    left: 50%;
    bottom: -0.6rem;
    width: 8.24rem;
    height: 10rem;
    z-index: 9999;
    transform: translateX(-50%) scale(1.3);
}

.dialog{
    display: none;
    position: fixed;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.6);
    z-index: 999;
}
.dialog_main{
    position: absolute;
    left: 50%;
    top: 50%;
    transform: translate(-50%, -50%);
    width: 50%;
    height: 40vh;
    background: #fff;
    border-radius: 10px;
}
.dialog_title{
    padding: 0.2rem;
    font-size: 0.2rem;
    color: #333;
    text-align: left;
    font-weight: 500;
    position: relative;
}
.dialog_title .icon-close{
    display: inline-block;
    width: 0.18rem;
    height: 0.18rem;
    background: url(../images/icon-close.svg) no-repeat center / cover;
    position: absolute;
    right: 0.2rem;
    top: 0.2rem;
    cursor: pointer;
}