*{
    padding: 0;
    margin: 0;
}

.xf-main{
    /* 子div的共同样式 */
    width:100%;
    /* height:100%; */
    font-family: PHT--GB1-4;
    font-size: 2rem /* 32/16 */;
    color: #04D2FD;
    letter-spacing: 0;
    line-height: 2.625rem /* 42/16 */;
    /* 页面的背景 */
    background-image: linear-gradient(-180deg, #202028 10%, #404251 100%);
    /* background-image: radial-gradient(50% 144%, #2F3250 100%, rgba(91,95,128,0.00) 100%); */
}

/* 图片 */
.xf-img{
    /* 0 140 0 */
    padding:0 8.75rem 0;
    display: flex;
  	justify-content: center;
  	align-items: center;
}

.xf-img img{
    width:auto;
    height:auto;
    max-width:100%;
    width:100%;
}

/* 标题 */
.xf-divTitleOne{
    /* 156 140 41 */
    margin:0 8.75rem 2.5625rem;
    padding-top: 9.75rem;
    /* text-align: center; */
}

.xf-divTitleTwo{
    /* 48 140 41 */
    margin: 3rem 8.75rem 2.5625rem;
    /* text-align: center; */
}

/* 参考 */
.xf-divReference{
    /*0 140 42*/
    margin:0 8.75rem 2.625rem;
    text-indent:4rem;
}