.login-body {
    background: url("./images/bg.jpg") no-repeat fixed;
    background-size: cover;
    width: 100%;
    height: 100%;
    display: flex; /* 使用 Flexbox 布局 */
    justify-content: center; /* 水平居中 */
    align-items: center; /* 垂直居中 */
    background-color: #b4bcbd;
}
.container {
    padding-left: 0; /* 移除默认 padding */
    padding-right: 0;
    width: 100%; /* 确保容器宽度占满父元素 */
}
.form-signin {
    max-width: 330px;
    width: 100%; /* 确保宽度占满父容器 */
    background: #fff;
    border-radius: 5px;
    opacity: .8;
    padding: 20px; /* 增加内边距 */
    margin: 0 auto; /* 水平居中 */
}
.form-signin .form-signin-heading {
    margin: 0;
    padding: 30px 15px 0px 15px;
    text-align: center;
    color: #fff;
    position: relative;
}
.login-wrap {
    /* padding: 30px 20px; */
    padding: 30px 15px 0px 15px;
    position: relative;
}
.login-btn {
    color: #fff;
    background-color: #347ABB;
}
.login-btn:hover {
    color: #fff;
    background-color: #547ABB;
}
.mab-t-15 {
    margin-top: 15px;
}
.mab-t-10 {
    margin-top: 10px;
}
.hr_solid {
    border-bottom: 2px solid rgba(204,204,204,0.1);
    border-top: 2px solid rgba(255,255,255,0.1);
    height: 1px;
    width: 90%;
    margin: 0 auto;
}
.p1 {
    text-align: center;
    color: #666;
    font-size: 14px;
}
.language-links {
    text-align: center; /* 居中显示语言链接 */
    margin-top: 15px; /* 与登录按钮的间距 */
}
.language-links span {
    color: #347ABB; /* 链接颜色 */
    text-decoration: none; /* 去掉下划线 */
    margin: 0 10px; /* 链接之间的间距 */
    font-size: 16px;
    transition: font-size 0.3s ease; /* 添加过渡效果 */
}
.language-links span:hover {
    cursor: pointer;
    text-decoration: underline; /* 鼠标悬停时显示下划线 */
}
.language-links span.selected {
    font-size: 16px; /* 选中时字体变大 */
    font-weight: bold; /* 选中时字体加粗 */
}
@keyframes shake {
    from, to {
        transform: translate3d(0, 0, 0);
    }
    10%, 30%, 50%, 70%, 90% {
        transform: translate3d(-10px, 0, 0);
    }
    20%, 40%, 60%, 80% {
        transform: translate3d(10px, 0, 0);
    }
}
.shake {
    animation: shake 0.8s;
}