.footer-top .col-footer {
    margin-bottom: 10px;
    overflow: hidden;
}
.footer-top .col-footer .footer-content h3 {
    margin-bottom: 20px;
}
.join-container {
    width: 100%;
    padding: 20px 0;
    background-color: #e3ac5b;
    position: relative;
    z-index: 5;
}
.join-container .box {
    width: 1220px;
    margin: 0 auto;
    display: flex;
    flex-wrap: nowrap;
    justify-content: center;
    align-items: center;
}
.join-container .box > p {
    font-size: 20px;
    color: #fff;
    font-weight: 400;
    margin-right: 15px;
}
.join-container .box .join-send {
    position: relative;
    width: 460px;
}
.join-container .box .join-send .layui-input {
    width: 100%;
    height: 35px;
    line-height: 35px;
    border-radius: 5px;
}
.join-container .box .join-send .layui-input-suffix {
    pointer-events: auto;
    cursor: pointer;
}
.join-container .box .join-send .tips-top {
    display: none;
    position: absolute;
    top: calc(-100% - 25px);
    left: 0;
    padding: 5px 20px;
    background-color: #ffe;
    font-size: 14px;
    color: #000;
    border: none;
    box-shadow: 1px 1px 5px rgba(0, 0, 0, 0.3);
    box-sizing: border-box;
    border-radius: 6px;
    transition: all 0.3s;
}
.join-container .box .join-send .tips-top .block {
    position: absolute;
    bottom: 0;
    left: 18px;
    width: 30px;
    height: 15px;
    background-color: #ffe;
    z-index: 1;
}
.join-container .box .join-send .tips-top::after {
    position: absolute;
    left: 25px;
    bottom: -5px;
    content: "";
    display: block;
    width: 15px;
    height: 15px;
    transform: rotate(45deg);
    background-color: #ffe;
    box-shadow: 1px 1px 5px rgba(0, 0, 0, 0.3);
}
.join-container .box .join-send .layui-input-prefix,
.join-container .box .join-send .layui-input-suffix {
    margin-top: -1px;
}

#back-top i{
    font-size: 24px;
    line-height: inherit;
    display: inline-block;
    vertical-align: top;
}
#back-top{
    position: fixed;
    bottom: 100px;
    right: 15px;
    background: #e3ac5b;
    width: 50px;
    height: 50px;
    line-height: 50px;
    border: 1px solid #fff;
    border-radius: 100%;
    box-shadow: 0px 0px 24px rgba(0, 0, 0, 0.05);
    color: #fff;
    display: none;
    text-align: center;
    cursor: pointer;
    z-index: 100;
}

@media screen and (max-width: 1220px) {
    .join-container {
        width: 100%;
        padding: 30px 0;
    }

    .join-container .box {
        width: 75%;
        padding: 0 10px;
        flex-direction: column;
        text-align: center;
    }

    .join-container .box > p {
        font-size: 20px;
        margin-right: 0;
        margin-bottom: 15px;
    }

    .join-container .box .join-send {
        width: 100%;
        margin-left: 0;
    }

    .join-container .box .join-send .layui-input::placeholder {
        line-height: 2.5;
        vertical-align: middle;
    }

    .footer-top .row {
        display: flex;
        justify-content: space-between;
        align-items: flex-start;
    }

    .footer-top .row .col1 {
        display: none;
    }

    .footer-top .row .col-footer {
        width: 25%;
        padding: 0;
    }

    .footer-top .row .col-footer .footer-title {
        text-align: center;
    }

    footer .list-unstyled.text-content li a {
        font-size: 13px;
        text-align: center;
    }
}

@media screen and (max-width: 768px) {
    .join-container .box {
        width: 90%;
    }

    .footer-top {
        padding-top: 0;
    }

    .footer-top .box-container {
        padding: 0;
    }

    .footer-top .row {
        flex-direction: column;
        flex-wrap: wrap;
    }
    .footer-top .row::before,
    .footer-top .row::after {
        display: none;
    }

    .footer-top .row .col-footer {
        width: 100%;
        margin-bottom: 0;
        border-bottom: 1px solid #474843;
    }

    .footer-top .row .col-footer .footer-title {
        padding: 5px 10px;
        text-align: left;
    }

    .footer-top .row .col-footer .footer-title h5 {
        font-size: 18px;
        line-height: 2.5;
    }

    .footer-top .row .col-footer .footer-content {
        height: 0;
        padding-left: 20px;
        transition: all .5s;
    }

    .footer-top .row .col-footer .footer-content li {
        padding: 2px 0;
    }

    .footer-top .row .col-footer .footer-content li a {
        font-size: 16px;
        text-align: left;
    }

    .footer-bottom .container-inner {
        display: flex;
        flex-direction: column;
        justify-content: center;
    }

    .footer-bottom .container-inner > div p,
    .footer-bottom .container-inner > div a {
        font-size: 16px;
    }

    .footer-bottom .container-inner > div:first-of-type {
        padding: 10px 0 0;
    }

    .footer-bottom .container-inner > div:last-of-type {
        padding: 0 0 10px;
    }
}