body {
    background-color: #3d92fb;
    -ms-overflow-style: none;
}

body::-webkit-scrollbar {
    display: none;
}

.splash {
    display: block;
    position: absolute;
    left: 0;
    top: 0;
    width: 100vw;
    height: 100vh;
    background-size: cover;
    background-repeat: no-repeat;
    background-position: center;
    overflow: hidden;
    z-index: 2;
}

.splash_cn {
    background-image: url(../img/splash_zh.jpg);
}

.splash_ru {
    background-image: url(../img/splash_ru.jpg);
}

.splash_en {
    background-image: url(../img/splash_en.jpg);
}

.fis_anim {
    -webkit-animation-duration: 0.3s;
    -webkit-animation-fill-mode: both;
    animation-duration: 0.3s;
    animation-fill-mode: both;
}

@-webkit-keyframes fis-fadeout {
    0% {
        opacity: 1;
    }

    100% {
        opacity: 0;
    }
}

@keyframes fis-fadeout {
    0% {
        opacity: 1;
    }

    100% {
        opacity: 0;
    }
}

.fis_anim-fadeout {
    -webkit-animation-name: fis-fadeout;
    animation-name: fis-fadeout;
}

#loader {
    border: 5px solid #f3f3f3;
    border-top: 5px solid #3d92fb;
    border-radius: 50%;
    width: 50px;
    height: 50px;
    display: inline-block;
    animation: spin 2s linear infinite;
}

@keyframes spin {
    0% {
        transform: rotate(0deg);
    }

    100% {
        transform: rotate(360deg);
    }
}

.full-screen-center {
    width: 100vw;
    height: 100vh;
    background: white;
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 1002;
}

/*当屏幕尺寸小于600px时，应用下面的CSS样式*/
/* 
@media screen and (max-width: 600px) {
    
    .splash {
        background: url(../img/splash_m.jpg) no-repeat 50%;
    }
} */