/*author: 葉研万事屋*/
/*BilibiliSpace: https://space.bilibili.com/3546741129349750*/
/*QQGroup: 1056692175*/
#page4 {
    display: block;
    color: white;
    font-size: 24px;
    text-align: center;
    height: 100vh;
    width: 100%;
    position: relative;
    overflow: hidden;
}

/* 添加SVG定义 */
#page4 .svg-defs {
    position: absolute;
    height: 0;
    width: 0;
}

/* 3D场景容器 */
#page4 .scene3d-4 {
    -webkit-perspective: 1000px;
    -moz-perspective: 1000px;
    -ms-perspective: 1000px;
    -o-perspective: 1000px;
    perspective: 1000px;
    -webkit-perspective-origin: 50% 50%;
    -moz-perspective-origin: 50% 50%;
    -ms-perspective-origin: 50% 50%;
    -o-perspective-origin: 50% 50%;
    perspective-origin: 50% 50%;
    position: absolute;
    width: 40%;
    height: 100%;
    -webkit-transform-style: preserve-3d;
    -moz-transform-style: preserve-3d;
    -ms-transform-style: preserve-3d;
    -o-transform-style: preserve-3d;
    transform-style: preserve-3d;
    z-index: 11;
    pointer-events: none;
}

/* 蝴蝶容器 */
#page4 .butterfly_container {
    position: absolute;
    left: 50%;
    top: 50%;
    width: 100px;
    height: 100px;
    margin-left: -50px;
    margin-top: -50px;
    -webkit-transform-origin: 50% 50%;
    -moz-transform-origin: 50% 50%;
    -ms-transform-origin: 50% 50%;
    -o-transform-origin: 50% 50%;
    transform-origin: 50% 50%;
    -webkit-transform-style: preserve-3d;
    -moz-transform-style: preserve-3d;
    -ms-transform-style: preserve-3d;
    -o-transform-style: preserve-3d;
    transform-style: preserve-3d;
    -webkit-animation: rotatingY 10s linear infinite;
    -moz-animation: rotatingY 10s linear infinite;
    -ms-animation: rotatingY 10s linear infinite;
    -o-animation: rotatingY 10s linear infinite;
    animation: rotatingY 10s linear infinite;
}

#page4 .butterfly_container var {
    position: absolute;
    left: 50%;
    top: 50%;
    width: 100px;
    height: 100px;
    margin-left: -50px;
    margin-top: -50px;
    -webkit-transform-style: preserve-3d;
    -moz-transform-style: preserve-3d;
    -ms-transform-style: preserve-3d;
    -o-transform-style: preserve-3d;
    transform-style: preserve-3d;
}

#page4 .butterfly_container var.rotate3d {
    -webkit-transform: rotate3d(1, 0.5, 0, 70deg);
    -moz-transform: rotate3d(1, 0.5, 0, 70deg);
    -ms-transform: rotate3d(1, 0.5, 0, 70deg);
    -o-transform: rotate3d(1, 0.5, 0, 70deg);
    transform: rotate3d(1, 0.5, 0, 70deg);
}

#page4 .butterfly_container var.translate3d {
    -webkit-transform: translate3d(-300px, 0px, 0px);
    -moz-transform: translate3d(-300px, 0px, 0px);
    -ms-transform: translate3d(-300px, 0px, 0px);
    -o-transform: translate3d(-300px, 0px, 0px);
    transform: translate3d(-300px, 0px, 0px);
}

#page4 .butterfly_container var.translate3d-1 {
    -webkit-animation: fluttering 10s ease-in-out infinite;
    -moz-animation: fluttering 10s ease-in-out infinite;
    -ms-animation: fluttering 10s ease-in-out infinite;
    -o-animation: fluttering 10s ease-in-out infinite;
    animation: fluttering 10s ease-in-out infinite;
}

#page4 .butterfly_container.scale_half var.scale {
    -webkit-transform: scale3d(0.5, 0.5, 0.5);
    -moz-transform: scale3d(0.5, 0.5, 0.5);
    -ms-transform: scale3d(0.5, 0.5, 0.5);
    -o-transform: scale3d(0.5, 0.5, 0.5);
    transform: scale3d(0.5, 0.5, 0.5);
}

#page4 .butterfly_container.scale_third var.scale {
    -webkit-transform: scale3d(0.33, 0.33, 0.33);
    -moz-transform: scale3d(0.33, 0.33, 0.33);
    -ms-transform: scale3d(0.33, 0.33, 0.33);
    -o-transform: scale3d(0.33, 0.33, 0.33);
    transform: scale3d(0.33, 0.33, 0.33);
}

#page4 .butterfly_container.scale_quarter var.scale {
    -webkit-transform: scale3d(0.25, 0.25, 0.25);
    -moz-transform: scale3d(0.25, 0.25, 0.25);
    -ms-transform: scale3d(0.25, 0.25, 0.25);
    -o-transform: scale3d(0.25, 0.25, 0.25);
    transform: scale3d(0.25, 0.25, 0.25);
}

#page4 .butterfly_container.scale_fifth var.scale {
    -webkit-transform: scale3d(0.2, 0.2, 0.2);
    -moz-transform: scale3d(0.2, 0.2, 0.2);
    -ms-transform: scale3d(0.2, 0.2, 0.2);
    -o-transform: scale3d(0.2, 0.2, 0.2);
    transform: scale3d(0.2, 0.2, 0.2);
}

#page4 .butterfly_container figure.butterfly {
    position: absolute;
    left: 50%;
    top: 50%;
    width: 100px;
    height: 100px;
    margin-left: -50px;
    margin-top: -50px;
    -webkit-transform-style: preserve-3d;
    -moz-transform-style: preserve-3d;
    -ms-transform-style: preserve-3d;
    -o-transform-style: preserve-3d;
    transform-style: preserve-3d;
    -webkit-transform-origin: 50% 50%;
    -moz-transform-origin: 50% 50%;
    -ms-transform-origin: 50% 50%;
    -o-transform-origin: 50% 50%;
    transform-origin: 50% 50%;
}

#page4 .butterfly_container figure.butterfly .wing {
    position: absolute;
    width: 50px;
    height: 100px;
    -webkit-transform-style: preserve-3d;
    -moz-transform-style: preserve-3d;
    -ms-transform-style: preserve-3d;
    -o-transform-style: preserve-3d;
    transform-style: preserve-3d;
    -webkit-transform-origin: 50% 50%;
    -moz-transform-origin: 50% 50%;
    -ms-transform-origin: 50% 50%;
    -o-transform-origin: 50% 50%;
    transform-origin: 50% 50%;
    -webkit-transform: translate3d(0, 0, 0) rotate3d(1, 0.5, 0, 45deg);
    -moz-transform: translate3d(0, 0, 0) rotate3d(1, 0.5, 0, 45deg);
    -ms-transform: translate3d(0, 0, 0) rotate3d(1, 0.5, 0, 45deg);
    -o-transform: translate3d(0, 0, 0) rotate3d(1, 0.5, 0, 45deg);
    transform: translate3d(0, 0, 0) rotate3d(1, 0.5, 0, 45deg);
}

#page4 .butterfly_container figure.butterfly .wing.right {
    -webkit-transform-origin: 50px 50px;
    -moz-transform-origin: 50px 50px;
    -ms-transform-origin: 50px 50px;
    -o-transform-origin: 50px 50px;
    transform-origin: 50px 50px;
    -webkit-transform: translate3d(0px, 0, 0) scaleX(-1) rotate3d(0, 1, 0, 45deg);
    -moz-transform: translate3d(0px, 0, 0) scaleX(-1) rotate3d(0, 1, 0, 45deg);
    -ms-transform: translate3d(0px, 0, 0) scaleX(-1) rotate3d(0, 1, 0, 45deg);
    -o-transform: translate3d(0px, 0, 0) scaleX(-1) rotate3d(0, 1, 0, 45deg);
    transform: translate3d(0px, 0, 0) scaleX(-1) rotate3d(0, 1, 0, 45deg);
    -webkit-animation: right-wing-flap 0.5s ease-in-out infinite;
    -moz-animation: right-wing-flap 0.5s ease-in-out infinite;
    -ms-animation: right-wing-flap 0.5s ease-in-out infinite;
    -o-animation: right-wing-flap 0.5s ease-in-out infinite;
    animation: right-wing-flap 0.5s ease-in-out infinite;
    filter: FlipH;
    -ms-filter: "FlipH";
}

#page4 .butterfly_container figure.butterfly .wing.left {
    -webkit-transform-origin: 50px 50px;
    -moz-transform-origin: 50px 50px;
    -ms-transform-origin: 50px 50px;
    -o-transform-origin: 50px 50px;
    transform-origin: 50px 50px;
    -webkit-animation: left-wing-flap 0.5s ease-in-out infinite;
    -moz-animation: left-wing-flap 0.5s ease-in-out infinite;
    -ms-animation: left-wing-flap 0.5s ease-in-out infinite;
    -o-animation: left-wing-flap 0.5s ease-in-out infinite;
    animation: left-wing-flap 0.5s ease-in-out infinite;
}

#page4 .butterfly_container figure.butterfly .wing use {
    display: block;
    -webkit-transform-style: preserve-3d;
    -moz-transform-style: preserve-3d;
    -ms-transform-style: preserve-3d;
    -o-transform-style: preserve-3d;
    transform-style: preserve-3d;
    fill: #E7F8FF;
    stroke: #E7F8FF;
    stroke-width: 1;
    filter: drop-shadow(0 0 1px rgb(70, 157, 219)) drop-shadow(0 0 2px rgba(70, 157, 219)) drop-shadow(0 0 2px rgba(70, 157, 219));
}

.join-us-page {
    width: 100%;
    height: 100%;
    position: relative;
}

.background-container {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    overflow: hidden;
}

.character-image,
.character-light,
.character-shadow {
    position: absolute;
    bottom: -7%;
    right: 35%;
    height: 100%;
    transform: translate(50%, 0);
}

.character-image {
    z-index: 2;
}

.character-shadow {
    z-index: 1;
}

.character-light {
    z-index: 3;
    animation: lightPulse 3s infinite alternate;
}

.content-container-4 {
    position: relative;
    width: 62%;
    height: 100%;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    padding: 0 100px;
    z-index: 10;
    box-sizing: border-box;
}

.title-container {
    position: relative;
    margin-bottom: 30px;
}

.main-title {
    font-family: 'SourceHanSemiBold', serif;
    font-size: 56px;
    position: relative;
    z-index: 2;
    margin: 0;
    text-shadow: 0 0 10px black, 0 0 10px black, 0 0 10px black;
}

.title-bg-4 {
    position: absolute;
    top: 17%;
    left: -13%;
    background-image: url(../img/4-join-us/title.png);
    background-size: contain;
    background-repeat: no-repeat;
    width: 255px;
    height: 110px;
    z-index: 1;
}

.description-4 {
    font-family: 'SourceHanSemiBold', serif;
    font-size: 24px;
    margin-bottom: 40px;
    text-align: left;
    line-height: 1.6;
    max-width: 500px;
    white-space: nowrap;
}

.qrcode-container {
    border: 3px solid #bed9f7;
    padding: 30px;
    background: rgba(0, 0, 0, 0.2);
    display: inline-block;
    box-shadow: 0 0 13px #468ddb;
}

.recruit-qrcode {
    width: 240px;
    height: 240px;
    display: block;
}

@keyframes lightPulse {
    0% {
        opacity: 0.5;
        transform: translate(50%, 0) scale(1);
    }
    100% {
        opacity: 1;
        transform: translate(50%, 0) scale(1.05);
    }
}

@keyframes rotatingY {
    100% {
        -webkit-transform: rotateY(-360deg);
        -moz-transform: rotateY(-360deg);
        -ms-transform: rotateY(-360deg);
        -o-transform: rotateY(-360deg);
        transform: rotateY(-360deg);
    }
}

@keyframes fluttering {
    0%, 25%, 50%, 75%, 100% {
        -webkit-transform: translate3d(0, 0, 0);
        -moz-transform: translate3d(0, 0, 0);
        -ms-transform: translate3d(0, 0, 0);
        -o-transform: translate3d(0, 0, 0);
        transform: translate3d(0, 0, 0);
    }

    10%, 60% {
        -webkit-transform: translate3d(0, 150px, 50px);
        -moz-transform: translate3d(0, 150px, 50px);
        -ms-transform: translate3d(0, 150px, 50px);
        -o-transform: translate3d(0, 150px, 50px);
        transform: translate3d(0, 150px, 50px);
    }

    30%, 80% {
        -webkit-transform: translate3d(0, 50px, -30px);
        -moz-transform: translate3d(0, 50px, -30px);
        -ms-transform: translate3d(0, 50px, -30px);
        -o-transform: translate3d(0, 50px, -30px);
        transform: translate3d(0, 50px, -30px);
    }
}

@keyframes left-wing-flap {
    0% {
        -webkit-transform: translate3d(0, 0, 0) scaleX(1) rotate3d(0, 1, 0, 60deg);
        -moz-transform: translate3d(0, 0, 0) scaleX(1) rotate3d(0, 1, 0, 60deg);
        -ms-transform: translate3d(0, 0, 0) scaleX(1) rotate3d(0, 1, 0, 60deg);
        -o-transform: translate3d(0, 0, 0) scaleX(1) rotate3d(0, 1, 0, 60deg);
        transform: translate3d(0, 0, 0) scaleX(1) rotate3d(0, 1, 0, 60deg);
    }

    50% {
        -webkit-transform: translate3d(0, 0, 0) scaleX(1) rotate3d(0, 1, 0, -70deg);
        -moz-transform: translate3d(0, 0, 0) scaleX(1) rotate3d(0, 1, 0, -70deg);
        -ms-transform: translate3d(0, 0, 0) scaleX(1) rotate3d(0, 1, 0, -70deg);
        -o-transform: translate3d(0, 0, 0) scaleX(1) rotate3d(0, 1, 0, -70deg);
        transform: translate3d(0, 0, 0) scaleX(1) rotate3d(0, 1, 0, -70deg);
    }

    100% {
        -webkit-transform: translate3d(0, 0, 0) scaleX(1) rotate3d(0, 1, 0, 60deg);
        -moz-transform: translate3d(0, 0, 0) scaleX(1) rotate3d(0, 1, 0, 60deg);
        -ms-transform: translate3d(0, 0, 0) scaleX(1) rotate3d(0, 1, 0, 60deg);
        -o-transform: translate3d(0, 0, 0) scaleX(1) rotate3d(0, 1, 0, 60deg);
        transform: translate3d(0, 0, 0) scaleX(1) rotate3d(0, 1, 0, 60deg);
    }
}

@keyframes right-wing-flap {
    0% {
        -webkit-transform: translate3d(0, 0, 0) scaleX(-1) rotate3d(0, 1, 0, 60deg);
        -moz-transform: translate3d(0, 0, 0) scaleX(-1) rotate3d(0, 1, 0, 60deg);
        -ms-transform: translate3d(0, 0, 0) scaleX(-1) rotate3d(0, 1, 0, 60deg);
        -o-transform: translate3d(0, 0, 0) scaleX(-1) rotate3d(0, 1, 0, 60deg);
        transform: translate3d(0, 0, 0) scaleX(-1) rotate3d(0, 1, 0, 60deg);
    }

    50% {
        -webkit-transform: translate3d(0, 0, 0) scaleX(-1) rotate3d(0, 1, 0, -70deg);
        -moz-transform: translate3d(0, 0, 0) scaleX(-1) rotate3d(0, 1, 0, -70deg);
        -ms-transform: translate3d(0, 0, 0) scaleX(-1) rotate3d(0, 1, 0, -70deg);
        -o-transform: translate3d(0, 0, 0) scaleX(-1) rotate3d(0, 1, 0, -70deg);
        transform: translate3d(0, 0, 0) scaleX(-1) rotate3d(0, 1, 0, -70deg);
    }

    100% {
        -webkit-transform: translate3d(0, 0, 0) scaleX(-1) rotate3d(0, 1, 0, 60deg);
        -moz-transform: translate3d(0, 0, 0) scaleX(-1) rotate3d(0, 1, 0, 60deg);
        -ms-transform: translate3d(0, 0, 0) scaleX(-1) rotate3d(0, 1, 0, 60deg);
        -o-transform: translate3d(0, 0, 0) scaleX(-1) rotate3d(0, 1, 0, 60deg);
        transform: translate3d(0, 0, 0) scaleX(-1) rotate3d(0, 1, 0, 60deg);
    }
}