*{
    margin:0;
    padding: 0;
    font-family: arial;
    box-sizing: border-box;
    background-color: transparent;
}

.background{
    position:relative ;
}

video{
    position: fixed;
    right: 0px;
    bottom: 0px;
    min-width: 100%;
    min-height: 100%;
    height: auto;
    width: auto;
    /*加滤镜*/
    filter: blur(15px);
    -webkit-filter: grayscale(100%);
    filter:grayscale(10%);
    z-index:-11;

}
source{
    min-width: 100%;
    min-height: 100%;
    height: auto;
    width: auto;
}

.wrapper{
    position: absolute;
    background-color: transparent;
    width: 100%;
}

.header {
    position: fixed;
    display: flex;
    flex-direction: row;
    justify-content: space-between;
    /*align-items: center;*/
    width: 100%;
    height: 106px;
    font-size: 18px;
    font-family: PingFang SC, Helvetica, Arial, sans-serif;
    font-weight: 500;
}
.header .RED {
    height: 25px;
    margin-left: 91px;
    display: flex;
    align-items: center;
}

.header .RED.logo {
    cursor: pointer;
    margin-top: 1px;
    width: 72px;
    height: 25px;
    position: relative;
}

.header .RED .logo .darklogo {
    position: absolute;
    height: 100%;
    margin-top: 5px;
}

.nav {
    list-style-type: none;
    display: flex;
    flex-direction: row;
    justify-content: flex-end;
    align-items: center;
    /*margin: 0 76px 0 0;*/
    padding: 0;
    min-width: 1014px;

}

.nav .list-item{
    margin: 35px;
}

.nav .list-item a{
    color: white;
    padding-bottom: 8px;
}

.nav .list-item a:hover{
    font-weight: bold;
    cursor:pointer;
}

.nav .list-item a::after{
    content: "";
    width: 0;
    height: 3px;
    background-color: #F5F5F5;
    color:white;
    position: absolute;
    bottom: 0;
    left: 50%;
    transition: all .25s;

}
.nav .list-item a:hover::after,.nav .list-item a:active:after{
    left: 0%;
    width: 100%;
}
.nav a,a:link{
    text-decoration: none;
    margin-bottom: 5px;
    position: relative;
}

#img1{
    vertical-align: middle;
    width: 10px;
    height: 20px;
    background: transparent;
}

.login {
    position: absolute;
    left: 50%;
    top: 50%;
    width: 430px;
    height: 380px;
    margin: -200px 0 0 -215px;
    border: 1px solid #fff;
    border-radius: 20px;
    overflow: hidden;
    background-color: transparent;
}
.logo_1{
    margin: 50px auto 10px;
    /*background: url(img/login.png) 0 0 no-repeat;*/
}
.form-item {
    position: relative;
    width: 360px;
    margin: 0 auto;
    padding-bottom: 30px;
}

.form-item input {
    width: 288px;
    height: 48px;
    padding-left: 60px;
    margin-left: 35px;
    border: 1px solid #fff;
    border-radius: 25px;
    font-size: 18px;
    color: #fff;
    background-color: transparent;
    outline: none;
}

.form-item button {
    width: 360px;
    height: 50px;
    border: 0;
    border-radius: 25px; font-size: 18px;
    color: #1f6f4a;
    outline: none;
    cursor: pointer;
    background-color: #fff;
}



.tip {
    display: none;
    position: absolute;
    left: 20px;
    top: 52px;
    font-size: 14px;
    color: #f50;
}

.reg-bar {
    width: 360px;
    margin: 20px auto 0;
    font-size: 14px;
    overflow: hidden;
}

.reg-bar a {
    color: #fff;
    text-decoration: none;
}

.reg-bar a:hover { text-decoration: underline; }
.reg-bar .reg { float: left; }
.reg-bar .forget { float: right; }

video::-webkit-media-controls {
    display:none !important;
}
/*.dowebok ::-webkit-input-placeholder { font-size: 18px; line-height: 1.4; color: #fff;}*/
/*.dowebok :-moz-placeholder { font-size: 18px; line-height: 1.4; color: #fff;}*/
/*.dowebok ::-moz-placeholder { font-size: 18px; line-height: 1.4; color: #fff;}*/
/*.dowebok :-ms-input-placeholder { font-size: 18px; line-height: 1.4; color: #fff;}*/

/*@media screen and (max-width: 500px) {*/
/*    * { box-sizing: border-box; }*/
/*    .dowebok { position: static; width: auto; height: auto; margin: 0 30px; border: 0; border-radius: 0; }*/
/*    .logo { margin: 50px auto; }*/
/*    .form-item { width: auto; }*/
/*    .form-item input, .form-item button, .reg-bar { width: 100%; }*/
/*}*/