* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}
img {
    vertical-align: middle;
    pointer-events: none;
}
.wrapper {
    min-height: 100vh;
    position: relative;
    text-align: center;
    padding-top: 35px;
    background: rgba(0,101,255, 0.2);
}
.top-bg {
    width: 100%;
    position: absolute;
    left: 0;
    top: 0;
}
.logo {
    width: 73%;
    position: relative;
    z-index: 2;
    margin-bottom: 13px;
}
.down-wrapper {
    position: relative;
    z-index: 1;
    margin: 0 30px 15px;
}
.btn {
    width: 100%;
}
.exam-wrapper {
    padding: 0 10px;
    position: relative;
    z-index: 2;
}
.exam {
    width: 100%;
}
.mask {
    width: 215px;
    padding: 20px 30px;
    background: rgba(0,0,0,0.85);
    -webkit-border-radius: 8px;
    -moz-border-radius: 8px;
    border-radius: 8px;
    position: fixed;
    left: 50%;
    top: 50%;
    -webkit-transform: translate(-50%, -50%);
    -moz-transform: translate(-50%, -50%);
    -ms-transform: translate(-50%, -50%);
    -o-transform: translate(-50%, -50%);
    transform: translate(-50%, -50%);
    z-index: 99999;
    color: #FFFFFF;
    letter-spacing: 0;
    text-align: left;
    font-size: 18px;
    display: none;
}
.input {
    position: absolute;
    left: -99999px;
    top: -99999px;
}
.fuceng {
    background: rgba(0,0,0,.80);
    position: fixed;
    top: 0px;
    left: 50%;
    z-index: 99999;
    -webkit-transform: translateX(-50%);
    -moz-transform: translateX(-50%);
    -ms-transform: translateX(-50%);
    -o-transform: translateX(-50%);
    transform: translateX(-50%);
    width: 100%;
    height: 100%;
    max-width: 750px;
    display: none;
}

.fuceng .fuceng_nei {
    margin: 15px 20px 0 20px;
}
.img_wrapper {
    text-align: right;
}
.fuceng .img_wrapper > img {
    margin-bottom: 15px;
    width: 30%;
    margin-right: 20px;
}

.fuceng .fuceng_nei h2 {
    font-size: 20px;
    color: #ffd200;
    margin: 0 0 15px 0;
    text-align: left;
}

.fuceng .fuceng_nei p {
    margin: 0 auto;
    color: #fff;
    font-size: 16px;
    padding-bottom: 18px;
    text-align: left;
}

.fuceng .fuceng_nei p b {
    display: inline-block;
    width: 20px;
    height: 20px;
    -webkit-border-radius: 50%;
    -moz-border-radius: 50%;
    border-radius: 50%;
    background: #fff;
    color: #000;
    font-weight: inherit;
    text-align: center;
    line-height: 20px;
    margin-right: 10px;
}

.fuceng .fuceng_nei p img {
    padding: 0 8px;
    width: 12%;
    height: auto;
    vertical-align: middle;
}
@media screen and (min-width: 750px) {
    .wrapper {
        width: 375px;
        margin: 0 auto;
    }
}