.dialog-login{
    position: fixed;width: 100%;height: 100%;background-color: rgba(0, 0, 0, 0.51);z-index: 999999;top: 0;left: 0;
    -webkit-animation: fadeIn .2s linear both;
    animation: fadeIn .2s linear both;
}
.login-logo {display: none}
.login-box{
    overflow:hidden;background-color: #fff;padding:35px 50px 0;position: absolute;width: 440px;height: 388px;-webkit-border-radius: 6px;border-radius: 6px;left: 50%;top: 50%;margin: -194px 0 0 -220px;
    -webkit-box-shadow: 0 0 20px rgba(173, 173, 173,.7);
    box-shadow: 0 0 20px rgba(173, 173, 173,.7);
    -webkit-animation: fadeInUp-20 1.6s 200ms both;
    animation: fadeInUp-20 1.6s 200ms both;
}
.login-box:before,
.login-box:after{content: '';position: absolute;width: 243px;height: 243px;z-index: -1;pointer-events: none;background: url("../images/login/bg.png") center no-repeat;-webkit-background-size: contain;background-size: contain}

.login-box:before{left: 340px;top:-150px}
.login-box:after{left: -150px;bottom:-195px}

.login-close{
    width: 20px;height: 20px;background: transparent url("../images/login/close.png") center no-repeat;border: 0;outline: 0;position: absolute;right: 15px;top: 15px;
    -webkit-transition: all .15s ease-in-out;
    transition: all .15s ease-in-out;
}
.login-close:hover{
    opacity: .8;
    -webkit-transform: rotate(180deg);
    transform: rotate(180deg);
}

.login-status{font-size: 20px;white-space: nowrap;border-bottom: 1px solid #d8dce6;overflow: hidden;position: relative;}
.login-status a{
    cursor: pointer;padding: 10px 0;width: 4em;float: left;color: #999!important;text-align: center;
    -webkit-transition: color .5s;
    transition: color .5s;
}
.login-status a:hover{color: #777}
.login-status a+a{margin-left: 2em}
.login-status a.active{color: #000}
.login-status span{
    position: absolute;bottom: 0;width:0;height: 2px;background-color: #2b92d5;left: 0;
    -webkit-transition: all .2s ease-out;
    transition: all .2s ease-out;
}
.login-status a.login-student.active+a+span{left: 0;width:4em}
.login-status a.login-teacher.active+span{left: 6em;width:4em}

.login-box form{margin: 40px 0 0;padding-bottom: 40px}
.login-box form>input{display: block;width: 100%;height: 40px}
.login-box .login-user,
.login-box .login-pwd{
    border:1px solid #c8ccd5;padding-left: 36px;-webkit-border-radius: 3px;border-radius: 3px;
    -webkit-transition: border .2s;
    transition: border .2s;
}
.login-box .login-user:focus,
.login-box .login-pwd:focus{border-color: #2b92d5}
@media \0screen { /* ie8 */
    .dialog-login {filter:progid:DXImageTransform.Microsoft.gradient(startColorstr=#7f000000,endColorstr=#7f000000);}
    .login-box {border:1px solid #ccc}
    .login-box form>input{line-height:38px}
}
.login-box form>input+input{margin-top: 20px}
.login-box .login-user{background: transparent url("../images/login/user.png") 10px center no-repeat}
.login-box .login-pwd{background: transparent url("../images/login/pwd.png") 10px center no-repeat}
.login-box form label{display:inline-block;margin-top: 20px;cursor: pointer;color: #000;font-size: 14px}
.login-box form label input{cursor: pointer;width: 1em;height: 1em;position: relative;vertical-align: middle;bottom:.05em;margin-right: .25em;background: transparent;-webkit-border-radius: 3px;border-radius: 3px;}

.login-box .login-btn {
    margin-top: 20px;color: #fff;-webkit-border-radius: 50em;border-radius: 50em;border: 0;
    background-image: -webkit-linear-gradient(-38deg,#2795d0,#36d0ff);
    background-image: linear-gradient(142deg,#2795d0,#36d0ff);
    background-color:#29a1e0;
    -webkit-transition: all .2s;
    transition: all .2s;
}
.login-box .login-btn:hover{
    background-image: -webkit-linear-gradient(-38deg, #2899d7, #2edaff);
    background-image: linear-gradient(142deg, #2899d7, #2edaff);
    background-color: #28a9e7;
}


/* 手机 */
.phone .login-box{
    width: 100%;height: 100%;margin: auto;top: 0;left: 0;-webkit-border-radius: 0;border-radius: 0;padding: 35px 36px 0;overflow-y: auto;
    -webkit-animation: fadeInRight .5s 200ms both;
    animation: fadeInRight .5s 200ms both;
}
.phone .login-box .login-user{background: transparent url("../images/login/phone-user.png") 2px center no-repeat;-webkit-background-size: 12px;background-size: 12px}
.phone .login-box .login-pwd{background: transparent url("../images/login/phone-pwd.png") 2px center no-repeat;-webkit-background-size: 12px;background-size: 12px}
.phone .login-box .login-user,
.phone .login-box .login-pwd{-webkit-border-radius: 0;border-radius: 0;border-top: 0;border-left: 0;border-right: 0;padding-left: 26px;}
.phone .login-box .login-user:focus,
.phone .login-box .login-pwd:focus{border-color: #c8ccd5}
.phone .login-close{left: 10px;height:15px;right: auto;background: transparent url("../images/login/back.png") center no-repeat;-webkit-background-size: contain;background-size: contain}
.phone .login-close:hover{-webkit-transform: none;transform: none}
.phone .login-box:before{left: -180px;top:-160px}
.login-box:after{left: auto;right:-60px;top:300px;height: 130px;width: 130px}

.phone .login-box .login-btn {-webkit-border-radius: 6px;border-radius: 6px;margin-top: 30px}

.phone .login-status a{width: 50%;font-size: 18px;margin-top: 50px}
.phone .login-status a+a{margin-left: 0}
.phone .login-status a.login-student.active+a+span{left: 0;width:50%}
.phone .login-status a.login-teacher.active+span{left: 50%;width:50%}

.phone .login-logo {display: block;margin:20px auto 30px;width: 172px;height: 46px;}