* {
    margin: 0;
    padding: 0;
}

body {
    background: url(../image/bg.jpg) no-repeat center center fixed;
    background-size: cover;
    height: 100vh;
    overflow: hidden;
}

iframe {
    width: 100dvw;
    height: 100dvh;
    border: none;
}

a {
    text-decoration: none;
}

#header {
    height: 132px;
    width: 100vw;
    background: url(../image/header_bg.png) no-repeat;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    color: #fff;
    z-index: 9999;
}

#header .title {
    font-size: 32px;
    font-weight: bolder;

}

#header .en {
    font-size: 16px;
    color: rgba(255, 255, 255, 0.5);

}

/* 在线链接服务仅供平台体验和调试使用，平台不承诺服务的稳定性，企业客户需下载字体包自行发布使用并做好备份。 */
@font-face {
  font-family: 'iconfont';  /* Project id 5054482 */
  src: url('https://at.alicdn.com/t/c/font_5054482_3l0fyx82qii.woff2?t=1762424538998') format('woff2'),
       url('https://at.alicdn.com/t/c/font_5054482_3l0fyx82qii.woff?t=1762424538998') format('woff'),
       url('https://at.alicdn.com/t/c/font_5054482_3l0fyx82qii.ttf?t=1762424538998') format('truetype');
}
.iconfont {
    font-family: "iconfont" !important;
    font-size: 16px;
    font-style: normal;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

#content_wrap {
    width: 100vw;
    display: flex;
    justify-content: center;
    align-items: center;
}
.slide-wrap{
    width: 1600px;
    display: flex;
    overflow: hidden;
    position: relative;
    height:750px;
}
.content {
    position: absolute;
    left: 0;
    top:160px;
    width: 1600px;
    display: flex;
    justify-content: space-around;
    flex-shrink: 0;
    align-items: center;
}

#btn-left,
#btn-right {
    display: flex;
    justify-content: center;
    align-items: center;
    width: 160px;
}

.content-btn {
    width: 50px;
    height: 80px;
    color: #66F2FF;
    text-align: center;
    line-height: 80px;
    border-radius: 10px;
    border: 2px solid #66F2FF;
    cursor: pointer;
    font-size: 40px;
}
.content-btn:hover {
    transform: scale(1.2);
    transition: all 0.1s ease-in-out;
}
#content_wrap .border {
    border: 1px solid #66F2FF;
    /* inset | offset-x | offset-y | blur-radius | spread-radius | color */
    /* box-shadow: inset 0px 0px 3px 2px rgba(102, 242, 255, 0.8); */
}

.content .item {
    width: 350px;
    height: 480px;
    position: relative;
    border-radius: 10px;
    user-select: none;
    backdrop-filter: blur(2px);
    background-color: rgba(102, 242, 255, 0.05);
}

.content .item:hover {
    background-color: rgba(102, 242, 255, 0.1);
    transform: scale(1.1);
    transition: transform 0.3s ease-in-out;
}

.content .item:hover .btn {
    background-color: rgba(102, 242, 255, 0.2);
    transition: transform 0.3s ease-in-out;
}

.content .item:hover .iconfont {
    transform: scale(1.2);
}

.content .iconfont {
    width: 180px;
    height: 180px;
    text-align: center;
    font-size: 120px;
    line-height: 180px;
    color: #00DAFB;
    margin: 85px 85px 0 85px;
}

.content .title {
    text-align: center;
    padding: 20px 0;
}

.content .name {
    font-size: 24px;
    font-weight: 600;
    letter-spacing: 5px;
    color: #ffffff;
    user-select: none;
    line-height: 32px;
}

.content .en-name {
    font-size: 14px;
    user-select: none;
    color: rgba(255, 255, 255, .5);
    line-height: 32px;
}

.content .btn {
    width: 140px;
    height: 35px;
    display: block;
    border-radius: 70px;
    text-align: center;
    color: #66F2FF;
    line-height: 35px;
    margin: 0 auto;
    font-size: 14px;
    cursor: pointer;
}

.content .item span {
    position: absolute;
    pointer-events: none;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    display: block;
    box-sizing: border-box;
}

.content .item span:nth-child(1) {
    transform: rotate(0deg);
}

.content .item span:nth-child(2) {
    transform: rotate(90deg);
}

.content .item span:nth-child(3) {
    transform: rotate(180deg);
}

.content .item span:nth-child(4) {
    transform: rotate(270deg);
}

/* #content .item span:before {
    content: "";
    position: absolute;
    width: 300px;
    height: 2px;
    background: #50dfdb;
    animation: animate 4s linear infinite;
  } */
.content .item:hover span:before {
    animation-play-state: paused;
}

.content .item span:nth-child(1):before,
.content .item span:nth-child(3):before {
    content: "";
    position: absolute;
    left: 20px;
    width: 310px;
    height:1px;
    background: #50dfdb;
    animation: animate 4s linear infinite;
}

.content .item span:nth-child(2):before,
.content .item span:nth-child(4):before {
    content: "";
    position: absolute;
    top: 65px;
    left: -40px;
    width: 440px;
    height:1px;
    background: #50dfdb;
    animation: animate 4s linear infinite;
}

@keyframes animate {
    0% {
        transform: scaleX(0);
        transform-origin: left;
    }

    50% {
        transform: scaleX(1);
        transform-origin: left;
    }

    50.1% {
        transform: scaleX(1);
        transform-origin: right;
    }

    100% {
        transform: scaleX(0);
        transform-origin: right;
    }
}

#footer {
    height: 100px;
    display: flex;
    width: 600px;
    margin: 0 auto;
    padding-top: 50px;
    justify-content: center;
    align-items: center;
    cursor: pointer;
}

#footer .footer-item:hover {
    transform: scale(1.1);
    transition: transform 0.3s ease-in-out;
}

#footer .footer-item:hover .iconfont {
    background-color: rgba(102, 242, 255, 0.2);
}

#footer .iconfont {
    width: 60px;
    height: 60px;
    text-align: center;
    font-size: 32px;
    line-height: 60px;
    color: #ffffff;
    border-radius: 50%;
    background-color: rgba(102, 242, 255, 0.05);
    border: 3px solid rgba(102, 242, 255, 0.2);
}

#footer .text {
    text-align: center;
    font-size: 16px;
    line-height: 40px;
    color: rgba(255, 255, 255, 0.5);
}

.cover {
    position: absolute;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    backdrop-filter: blur(20px);
    z-index: 999;
    display: flex;
    justify-content: center;
    align-items: center;
    display: none;
}

.cover .unlock {
    width: 450px;
    height: 480px;
    background-color: rgba(60, 220, 210, 0.3);
    border: 1px solid #66F2FF;
    padding: 40px 50px;
}