/* 背景与外层容器 */
.wrap{
    padding:20px;
}
.wrap_container{
    margin:0 auto;
}

/* 顶部标题栏 */
.ucenter_header{
    display:flex;
    align-items:center;
    justify-content:space-between;
    margin-bottom:26px;
    padding:0 6px;
    color:#4a4a4a;
}
.ucenter_header h1{
    font-size:20px;
    font-weight:600;
    margin:0;
    position:relative;
    padding-bottom:12px;
}
.ucenter_header h1::after{
    content:"";
    position:absolute;
    left:0;
    bottom:0;
    width:110px;
    height:2px;
    background:#3477cc;
}
.ucenter_header p{
    margin:0;
    font-size:14px;
    color:#8088a2;
}
.ucenter_header p a{
    color:#ff6a00;
    font-weight:600;
}

/* 白色登录卡片 */
.ucenter_sign_in_login{
    background:#fff;
    border-radius:14px;
    box-shadow:0 22px 60px rgba(37,94,180,.12);
    padding:50px 20px;
}

/* 表单容器 */
.ucenter_input_content{
    float:none;
    max-width:800px;
    margin:0 auto;
}

/* Flex 布局的表单行 */
.sign .form-group{
    display:flex;
    align-items:center;
    flex-wrap:nowrap;
    margin-bottom:26px;
}
.sign .form-group:last-of-type{
    margin-bottom:0;
}

/* 左侧标签 */
.sign .control-label.col-sm-4{
    flex:0 0 170px;
    max-width:170px;
    margin-bottom:0;
    text-align:right;
    padding-right:20px;
    font-size:15px;
    font-weight:600;
    color:#4a4a4a;
    display:flex;
    justify-content:flex-end;
    align-items:center;
    white-space:nowrap;
}

/* 输入列 */
.sign .form-group>.col-sm-3,
.sign .form-group>.col-sm-2{
    flex:0 0 320px;
    max-width:320px;
    display:flex;
    align-items:center;
}
.sign .form-group>.col-sm-2{
    flex-basis:190px;
    max-width: 190px;
}
.sign .form-group>.col-sm-3 .form-control,
.sign .form-group>.col-sm-2 .form-control{
    width:100%;
}

/* 验证码图片列 */
.ucenter_code {
    flex:0 0 130px;
    max-width:130px;
    display:flex;
    align-items:center;
    justify-content:flex-start;
}
.sign-code-img{
    width:100%;
    background:#fff;
    cursor:pointer;
}

/* 注册发送短信验证码按钮 */
.ucenter_sms_code {
    flex:0 0 130px;
    max-width:130px;
    display:flex;
    align-items:center;
    justify-content:flex-start;
}

.sign-privacy {
    font-size:14px;
    color:#333;
}

/* 右侧提示文本 */
.sign .form-group>.col-sm-4:not(.control-label){
    flex:1;
    max-width:none;
    font-size:13px;
    color:#aaa;
    display:flex;
    align-items:center;
    padding-left:15px;
}

/* 输入框样式 */
.sign .form-control{
    height:42px;
    border-radius:6px;
    border:1px solid #d6e0f0;
    box-shadow:none;
    transition:border-color .2s ease,box-shadow .2s ease;
}
.sign .form-control:focus{
    border-color:#4a8ff7;
    box-shadow:0 0 0 3px rgba(74,143,247,.18);
}

/* 登录按钮 */
.sign-btn.btn-info{
    width:100%;
    height:46px;
    border-radius:6px;
    background:linear-gradient(90deg,#4baefc 0%,#40a1f8 100%);
    border:none;
    font-size:16px;
    font-weight:600;
    letter-spacing:1px;
    transition:box-shadow .2s ease,transform .2s ease;
}
.sign-btn.btn-info:hover{
    box-shadow:0 12px 24px rgba(64,161,248,.25);
    transform:translateY(-1px);
}

/* 忘记密码 / 注册 */
.ucenter_sign_forget_mute{
    color:#666;
    font-size:14px;
}
.ucenter_sign_forget_mute a{
    color:#ff6a00 !important;
    font-weight:600;
}

/* 响应式处理 */
@media (max-width:992px){
    .ucenter_sign_in_login{padding:40px 35px;}
    .ucenter_header{
        flex-direction:column;
        align-items:flex-start;
        gap:12px;
        padding:0;
    }
    .ucenter_header p{font-size:13px;}
    .sign .form-group{
        flex-wrap:wrap;
        align-items:flex-start;
    }
    .sign .control-label.col-sm-4{
        flex:0 0 100%;
        max-width:100%;
        text-align:left;
        justify-content:flex-start;
        margin-bottom:6px;
    }
    .sign .form-group>.col-sm-3,
    .sign .form-group>.col-sm-2,
    .ucenter_code,
    .ucenter_sms_code,
    .sign .form-group>.col-sm-4:not(.control-label){
        flex:0 0 100%;
        max-width:100%;
        padding-left:0;
        margin-bottom:8px;
        white-space:normal;
    }
    .ucenter_code{justify-content:flex-start;}
}