body {
    position: relative;
    width: 100%;
    height: 100%;
    padding: 0;
    margin: 0;
}

html {
    position: relative;
    width: 100%;
    height: 100%;
    padding: 0;
    margin: 0;
}

.alatrbg_box {
    top: 0;
    position: fixed;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, .9);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 1;
}

.alart_none {
    display: none
}

.alartbox {
    width: 800px;
    height: 387px;
    background: rgba(255, 255, 255, 1);
    opacity: 1;
    border-radius: 10px;
    padding: 0 100px;
    box-sizing: border-box
}

.alartbox .title {
    font-size: 20px;
    font-family: Microsoft YaHei;
    font-weight: bold;
    line-height: 26px;
    color: rgba(0, 0, 0, 1);
    text-align: center;
    margin-top: 40px;
    position: relative;
}

.alartbox .title img {
    position: absolute;
    right: -80px;
    width: 36px;
    z-index: 99999;
    background: #999;
    top: -10px;
}

.alart_input {
    width: 600px;
    height: 60px;
    border: 2px solid rgba(112, 112, 112, 1);
    opacity: 1;
    border-radius: 6px;
    display: flex;
    justify-content: center;
    margin: 0 auto;
    margin-top: 20px;
}

.alart_input input {
    width: 90%;
    border: none;
    border: none;
    font-size: 20px;
    outline: none;
}

.alart_p {
    font-size: 14px;
    font-family: Microsoft YaHei;
    font-weight: 400;
    line-height: 19px;
    color: rgba(0, 0, 0, 1);
    opacity: 1;
    margin-top: 20px;
}

.class_pay {
    font-size: 20px;
    font-family: Microsoft YaHei;
    font-weight: bold;
    line-height: 26px;
    color: #000000;
    margin: 0 auto;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-top: 37px;
}

.class_pay span {
    color: #E52E16;
}

.alart_btn {
    margin-top: 30px;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.alart_btn .btn {
    width: 280px;
    height: 64px;
    background: rgba(0, 183, 0, 1);
    opacity: 1;
    border-radius: 6px;
    font-size: 18px;
    font-family: Microsoft YaHei;
    font-weight: 400;
    line-height: 24px;
    color: rgba(255, 255, 255, 1);
    opacity: 1;
    display: flex;
    align-items: center;
    justify-content: center;
}

.alart_btn .btn:nth-child(2) {
    background: rgba(0, 170, 238, 1);
}

.alart_btn .btn img {
    width: 30px;
}