.login-banner {
            min-width: 1200px;
            position: relative;
            min-height: 380px;
        }

            .login-banner:after {
                background-color: transparent;
                content: '';
                opacity: 0.5;
                background: url(images/login.jpg) center no-repeat;
                position: absolute;
                top: 0;
                left: 0;
                right: 0;
                bottom: 0;
            }

            .login-banner .login-container {
                position: absolute;
                width: 1200px;
                display: block;
                left: 50%;
                margin-left: -600px;
                z-index: 200;
            }

                .login-banner .login-container .app-context {
                    float: right;
                    width: 400px;
                    margin-top: 40px;
                    height: auto;
                    border: 1px solid transparent;
                    background: rgba(0,0,0,.5);
                    margin-right: 100px;
                }

                .login-banner .login-container .login-left-content {
                    width: 700px;
                    float: left;
                }
                
                .login-banner .login-container .login-left-content #dvSiteDescript {
                    margin: 40px auto 0 auto; font-size: 48px; color: #fff; padding-left: 100px
                }
                .login-banner .login-container .login-left-content .qrcode-wraper {
                   margin-top: 30px; padding-left: 100px;
                }

                    .login-banner .login-container .login-left-content .qrcode-wraper >img{
                        float: left; width: 160px; height: 160px
                    }

                    .login-banner .login-container .login-left-content .qrcode-wraper >.desc{
                      float: left; width: 400px; padding-left: 20px; color: #fff;padding-top: 30px;
                                                                                              font-size:24px;
                    }

                    .login-banner .login-container .login-left-content .qrcode-wraper > .desc .title{
                        display: block;  color: yellow; font-weight: bold; margin-bottom: 20px
                    }

        .sl-error {
            position: relative;
            margin: 0;
            width: 368px;
            margin-left: 15px;
            height: 0;
            opacity: .2;
            color: #4D4D4D;
            overflow: hidden;
            -webkit-transition-property: height,opacity;
            -webkit-transition-duration: .3s;
            -webkit-transition-timing-function: ease;
            -moz-transition-property: height,opacity;
            -moz-transition-duration: .3s;
            -moz-transition-timing-function: ease;
            transition-property: height,opacity;
            transition-duration: .3s;
            transition-timing-function: ease;
        }

        .sl-error-display {
            margin: 28px auto 0px;
            padding: 3px 5px 3px 0;
            height: auto;
            opacity: 1;
            line-height: 26px;
            background: #FDEEE9;
            border: 1px solid #fadcd3;
        }

            .sl-error-display .sl-error-text {
                display: block;
                padding-left: 10px;
                line-height: 20px;
            }

        ol, ul {
            list-style: none;
        }

        .app-context.login-ad {
            padding: 30px 55px 30px 75px; 
        }

            .app-context.login-ad .step {
            }

                .app-context.login-ad .step li {
                    float: left;
                    overflow: hidden;
                    width: 200px;
                    text-align: center;
                    margin-right: 65px;
                }

                    .app-context.login-ad .step li a {
                        text-decoration: none;
                        display: block;
                    }

                .app-context.login-ad .step em, .app-context.login-ad .step span {
                    font-size: 24px;
                }

                .app-context.login-ad .step em {
                    border-radius: 60px;
                    border: 1px solid #ddd;
                    width: 100px;
                    height: 100px;
                    line-height: 72px;
                    display: block;
                    text-align: center;
                    margin: 0 auto;
                }

                .app-context.login-ad .step li a:hover, .app-context.login-ad .step li a:visited {
                    color: #0ae;
                    cursor: pointer;
                }

                .app-context.login-ad .step dl dt {
                    font-size: 20px;
                    padding-top: 37px;
                    padding-bottom: 21px;
                    color: #1a1a1a;
                }

                .app-context.login-ad .step dl dd {
                    font-size: 15px;
                    color: gray;
                }

                .app-context .login-ad ol li > a img {
                    width: 135px;height: 135px 
                }