.entrance-bottom {
    width: 100%;
    overflow: hidden;
    margin-bottom: 50px;
    position: relative;
    height: 700px
}

.entrance-bottom-frame {
    transition: all .5s;
    width: 10000%;
    margin: 0 auto;
    height: 630px;
    margin-top: 40px;
    position: absolute;
    left: 50%;
    margin-left: -550px
}

.entrance-bottom-frame-beijing {
    position: absolute;
    z-index: 1;
    width: 100%;
    height: 100%;
    top: 0;
    left: 0;
    background: url(../img/yincang.png);
    background-size: cover
}

.entrance-bottom-frame-line {
    -webkit-filter: grayscale(100%);
    -moz-filter: grayscale(100%);
    -ms-filter: grayscale(100%);
    -o-filter: grayscale(100%);
    filter: grayscale(100%);
    filter: gray;
    transition: all .8s;
    pointer-events: none;
    cursor: default;
    margin-top: 35px;
    box-shadow: 0 0 15px #c5e2ff;
    width: 1000px;
    height: 570px;
    float: left;
    margin-left: 50px;
    position: relative
}

.entrance-bottom-frame-line-id {
    font-size: 30px;
    color: #fff;
    text-align: center;
    line-height: 60px;
    position: absolute;
    left: 50%;
    margin-left: -30px;
    height: 60px;
    width: 61px;
    background: url(../img/e-id.png);
    background-size: cover;
    top: -30px
}

.entrance-bottom-frame-line-title {
    font-size: 14px;
    width: 900px;
    margin: 70px auto 20px
}
.entrance-bottom-frame-line-button-group {
    margin-left: 9%;
}
.entrance-bottom-frame-line-button, .entrance-bottom-frame-line-button-pass {
    transition: margin .8s;
    position: relative;
    cursor: pointer;
    width: 250px;
    height: 70px;
    margin: 1% 9%;
    float: left;
    box-sizing: border-box;
    background: #f2f2f2;
    border-radius: 36px;
    padding: 0 35px
}

.entrance-bottom-frame-line-button-id {
    width: 30px;
    line-height: 70px;
    display: table-cell;
    font-size: 24px
}

.entrance-bottom-frame-line-button-frame {
    line-height: 20px;
    width: 335px;
    height: 70px;
    display: table-cell;
    vertical-align: middle
}

.entrance-bottom-frame-line-button:hover {
    color: #fff;
    background: -webkit-linear-gradient(left, #ff7f05, #fc0000);
    background: -o-linear-gradient(right,#ff7f05,#fc0000);
    background: -moz-linear-gradient(right,#ff7f05,#fc0000);
    background: linear-gradient(to right, #ff7f05,#fc0000)
}

.entrance-bottom-frame-line-button-pass:hover {
    color: #fff;
    background: -webkit-linear-gradient(left, #0add00, #009b03);
    background: -o-linear-gradient(right,#0add00,#009b03);
    background: -moz-linear-gradient(right,#0add00,#009b03);
    background: linear-gradient(to right, #0add00,#009b03)
}

.entrance-bottom-frame-line.active {
    pointer-events: auto;
    height: 630px;
    margin-top: 0;
    -webkit-filter: grayscale(0%);
    -moz-filter: grayscale(0%);
    -ms-filter: grayscale(0%);
    -o-filter: grayscale(0%);
    filter: grayscale(0%);
    filter: none
}

.entrance-bottom-frame-line.active .entrance-bottom-frame-beijing {
    display: none
}

.entrance-bottom-frame-beijing.none {
    background: #000;
    opacity: .2
}

.pre_message {
    width: 800px;
    height: 280px;
    overflow-y: auto;
    overflow-x: hidden;
    padding: 35px 90px;
    box-sizing: border-box;
    outline: none;
    border: 0;
    white-space: pre-wrap;
    word-break: normal;
    background: url(../img/45908631324152.png);
    margin: 0 auto;
    font-size: 14px
}

.pre_message::-webkit-scrollbar {
    display: none
}