/*html,body{*/
/*    margin: 0;*/
/*    padding: 0;*/
/*}*/
html,
body {
    position: relative;
    height: 100%;
    /*min-width: 1000px;*/
}

body {
    background: #fff;
    font-family: Microsoft YaHei,Helvetica Neue, Helvetica, Arial, sans-serif;
    font-size: 16px;
    color: #111;
    margin: 0;
    padding: 0;
    line-height: 1;
}

.clearfix:after {
    clear: both
}

.clearfix:before,
.clearfix:after {
    display: table;
    content: "";
}

ul,h1,h2,p{
    margin: 0;
    padding: 0;
}

ul li{
    list-style:none;
    margin: 0;
    padding: 0;
    tap-highlight-color: transparent;
    -webkit-tap-highlight-color: transparent;
}

ul li:active{
    background: transparent;
}
a {
    text-decoration: none;
}

.swiper {
    width: 100%;
    height: 100%;
}

.swiper-slide {
    /*font-size: 18px;*/
    /*background: #fff;*/
}

.page-content{
    background-repeat: no-repeat;
    background-size: cover;
    /*background-position-y: bottom;*/
    background-position-x: center;
}


.head{
    position: relative;
    width: 100%;
    height: calc(calc(var(--real-vh, 1vh) * 100) * 148 / 1080);
}

.head .logo{
    position: absolute;
    left: calc(100vw * 140 / 1920);
    top: calc(calc(var(--real-vh, 1vh) * 100) * 50 / 1080);
    display: none;
     /*width: 9.9vw;*/
}
.head .logo img{
    height: calc(calc(var(--real-vh, 1vh) * 100) * 98 / 1080);
}
.head .logo .logo-text{
    font-size: 15px;
    text-align: center;
    margin-bottom: 5px;
    letter-spacing: 2px;
}
.head .white-logo .logo-text{
    color: #fff;
}
.head .black-logo .logo-text{
    color: #111;
}

.white-nav .head .white-logo{
    display: block;
}

.black-nav .head .black-logo{
    display: block;
}

.head .nav{
    position: absolute;
    right: calc(100vw * 140 / 1920);
    top: calc(calc(var(--real-vh, 1vh) * 100) * 62 / 1080);
}
.head .nav li{
    float: left;
    margin: 0 calc(100vw * 50 / 1920);
    letter-spacing: 2px;
}
.head .nav li:last-child{
    margin-right: 0;
}
.head .nav li a{
    cursor: pointer;
    padding-bottom: calc(calc(var(--real-vh, 1vh) * 100) * 11 / 1080);
    text-decoration: none;
    /*font-size: clamp(16px,calc(100vw * 16 / 1920),20px);*/
    font-size: 16px;
}
.head .fullscreen{
    font-size: 16px;
    padding: 8px;
    position: fixed;
    bottom: 12px;
    right: 20px;
    z-index: 999;
    background-color: rgba(0, 0, 0, 0.9);
    border-radius: 5px;
    color: #fff;
    cursor: pointer;
}
/*.white-nav .head .fullscreen{*/
/*    background-color: rgba(255, 255, 255, 0.1);*/
/*    color: #fff;*/
/*}*/
/*.black-nav .head .fullscreen{*/
/*    background-color: rgba(17, 17, 17, 0.1);*/
/*    color: #111;*/
/*}*/
@media (max-width: 1200px) {
    .head .nav li a{
        font-size: calc(100vw * 22/ 1920);
    }
    /*.head .nav li{*/
    /*    margin: 0 calc(100vw * 40 / 1920);*/
    /*}*/
    .head .nav li a{
        border-bottom-width: 1px!important;
    }
    .head .fullscreen{
        font-size: 12px;
    }
}
.white-nav .head .nav a{
    color: #fff;
}
.black-nav .head .nav a{
    color: #111;
}

.footer{
    position: absolute;
    bottom: calc(calc(var(--real-vh, 1vh) * 100) * 20 / 1080);
    width: 100%;
    font-size: max(calc(calc(var(--real-vh, 1vh) * 100) * 12 / 1080),calc(100vw * 12 / 1920));
    text-align: center;
    font-family: Microsoft YaHei, 微软雅黑, Helvetica, sans-serif;
    font-weight: 300;
}

.footer span{
    margin-left: calc(100vw * 128 / 1920);
}

.footer a{
    text-decoration: none;
    cursor: pointer;
}

.footer span:first-child{
    margin-left: 0;
}

.white-footer .footer,.white-footer .footer a{
    color: #fff;
}

.black-footer .footer,.black-footer .footer a{
    color: #111;
}

@keyframes opacityAnimation {
    0% { opacity: 0; } /* 初始状态：完全透明 */
    50% { opacity: 0.5; } /* 中间状态：完全不透明 */
    100% { opacity: 1; } /* 结束状态：完全透明 */
}