.bgc-img {
    background: no-repeat;
    background-size: cover;
    /*align-items: center;*/
    color: #f0f0f1;
    padding-top: 550px;
    height: 100%;
    width: 100%;
    overflow: hidden;
    position: relative;
}

.e-message {
    position: absolute; /* 绝对定位相对于父元素 */
    top: 50%; /* 距离顶部50% */
    left: 50%; /* 距离左侧50% */
    transform: translate(-50%, -50%); /* 向左和向上平移自身宽度和高度的一半 */
    text-align: center; /* 文字水平居中 */
    font-size: 6em;
}

.error-num {
    font-size: 10em;
    line-height: 1em;
    text-align: center;
    font-weight: 700;
    color: #1e73be;
    /*color: #f0f0f1;*/
    font-family: 'nunito sans', system-ui;
    text-shadow: 0 -10px rgba(0, 0, 0, .1);
    padding-top: 5%;
}

.error-p {
    margin: 0 auto;
}

.error-p hr {
    margin: 30px 0 30px 0;
}

.error-p-index {
    border-radius: 5px;
    width: 150px;
    margin: 20px auto;
    text-align: center;
    font-size: 18px;
    background-color: #1e73be;
    height: 40px;
    line-height: 40px;
}

.error-p-index a {
    color: #eeeeee;
    font-family: 'nunito sans', system-ui;
}

.error-p-index a:hover {
    color: #eeeeee;
    font-family: 'nunito sans', system-ui;
}

.error-second {
    margin: 0 auto;
    padding: 0;
}

.error-p-second {
    margin: 0 auto;
    padding: 0;
    width: 600px;
}

.error-but {
    width: 100%;
}