body{
    border: 0;
    background-color: #0F0F0F;
}
.top {
    width: 100%;
    height: 80px;
    background: #191D20;
}

.title {
    margin-left: 2.7%;
    line-height: 70px;
    font-size: 30px;
    font-family: PingFangSC-Medium;
    color: #FFFFFF;
}
.middleContent{
    width: 100%;
    height: 839px;
    /*盒模型*/
    display: -webkit-box;
    -webkit-box-orient: horizontal;
}
.each{
    width: 33.33333%;
    height: 100%;
}
.bg1{
    background-repeat: no-repeat;
	background-size: 100% 100%;
    background-image: url("../image/trqjl.jpg");
}
.bg2{
    background-repeat: no-repeat;
	background-size: 100% 100%;
    background-image: url("../image/trqlg.jpg");
}
.bg3{
    background-repeat: no-repeat;
	background-size: 100% 100%;
    background-image: url("../image/gdBG.jpg");
}
.sys{
    font-family: PingFangSC-Semibold;
    font-size: 46px;
    color: #FFFFFF;
    letter-spacing: 5.42px;
    text-shadow: 0 2px 4px rgba(21,30,96,0.66);
}
.englishSys{
    font-family: Arial-BoldMT;
    font-size: 24px;
    color: #FFFFFF;
    letter-spacing: 2.83px;
    text-shadow: 0 2px 4px rgba(21,30,96,0.66);
}
.topContent{
    margin-top: 30%;
    margin-left: 8%;
}
.bottomContent{
    margin-top: 40%;
    margin-left: 8%;
    background: #1A6AE9;
    border-radius: 100px;
    width: 210px;
    height: 72px;
}
.loginText{
    font-family: PingFangSC-Medium;
    font-size: 30px;
    color: #FFFFFF;
    letter-spacing: 3.53px;
    line-height: 72px;
    margin-left: 30%;
}
a{
    text-decoration: none;
}

img{
    margin-left: 10%;
    width: 10px;
    height: 17px;
}