.nav {
    width: 100%;
    height: 60px;
    background: white;
    font-size: 0;
    border-bottom: 1px solid #DDDDDD;
    position: fixed;
    top: 0;
    z-index: 99;
}

.nav-mobile {
    display: none;
}

.nav-inner {
    margin: 0 auto;
    width: 1200px;
    height: 60px;
    line-height: 60px;
}

.left-wrapper {
    display: inline-block;
    vertical-align: middle;
    float: left;
    height: 60px;
    line-height: 60px;
}

.left-wrapper .logo {
    margin-right: 75px;
    height: 40px;
    display: inline-block;
    vertical-align: middle;
}

.left-wrapper .tab-wrapper {
    display: inline-block;
    vertical-align: middle;
    height: 60px;
    line-height: 60px;
}

.left-wrapper .tab-wrapper .tab {
    margin-right: 48px;
    display: inline-block;
    height: 60px;
    line-height: 60px;
}

.left-wrapper .tab-wrapper .tab:last-child {
    margin-right: 0;
}

.left-wrapper .tab-wrapper .tab a {
    text-decoration: none;
    font-size: 14px;
    font-family: PingFangSC-Regular, PingFang SC;
    font-weight: 400;
    color: #333333;
}

.left-wrapper .tab-wrapper .tab a:hover{
    text-decoration: underline;
    font-size: 14px;
    font-family: PingFangSC-Regular, PingFang SC;
    font-weight: 500;
    color: #0059EB;
}

.right-wrapper {
    display: inline-block;
    vertical-align: middle;
    float: right;
    height: 60px;
    line-height: 60px;
}

.right-wrapper .login {
    box-sizing: border-box;
    display: inline-block;
    vertical-align: middle;
    margin-right: 20px;
    width: 74px;
    height: 32px;
    line-height: 32px;
    background: #FFFFFF;
    box-shadow: 0px 2px 5px 0px rgba(0, 0, 0, 0.15);
    border-radius: 6px;
    border: 1px solid #EDEDED;
    text-align: center;
    font-size: 16px;
    font-family: PingFangSC-Regular, PingFang SC;
    font-weight: 400;
    color: #333333;
    cursor: pointer;
}

.right-wrapper .free {
    box-sizing: border-box;
    display: inline-block;
    vertical-align: middle;
    width: 81px;
    height: 32px;
    line-height: 32px;
    background: #0059EB;
    box-shadow: 0px 2px 5px 0px rgba(0, 0, 0, 0.15);
    border-radius: 6px;
    text-align: center;
    font-size: 16px;
    font-family: PingFangSC-Regular, PingFang SC;
    font-weight: 500;
    color: #FFFFFF;
    cursor: pointer;
}

.nav .right-wrapper .user-fn-wrapper {
    position: relative;
    height: 60px;
    line-height: 60px;
    user-select: none;
    cursor: pointer;
}

.nav .right-wrapper .user-fn-wrapper .show-more {
    z-index: 10;
    line-height: 40px;
    padding: 10px 14px;
    width: 160px;
    background: #fff;
    border-radius: 10px;
    -webkit-box-shadow: 0px 0px 25px 0px rgba(0, 0, 0, 0.15);
    box-shadow: 0px 0px 25px 0px rgba(0, 0, 0, 0.15);
    -webkit-transition: all linear 200ms 0ms;
    -o-transition: all linear 200ms 0ms;
    -moz-transition: all linear 200ms 0ms;
    transition: all linear 200ms 0ms;
    -webkit-transform: translate3d(0, 20px, 0);
    -moz-transform: translate3d(0, 20px, 0);
    transform: translate3d(0, 20px, 0);
    opacity: 0;
    visibility: hidden;
}

.nav .right-wrapper .user-fn-wrapper .show-more .button {
    border-bottom: 1px solid #dcdfe6;
    text-align: center;
    font-size: 14px;
}

.nav .right-wrapper .user-fn-wrapper .show-more .button:last-child {
    border: none;
    color: #8d8d8d;
}

.nav .right-wrapper .user-fn-wrapper .show-more .button:last-child:hover {
    color: #212121;
}

.nav .right-wrapper .user-fn-wrapper .show-more:before {
    content: '';
    width: 0;
    height: 0;
    display: inline-block;
    border-top: #fff 8px solid;
    border-right: #fff 8px solid;
    border-bottom: transparent 8px solid;
    border-left: transparent 8px solid;
    position: absolute;
    top: -8px;
    left: 44px;
    -webkit-transform: rotate(-45deg);
    -moz-transform: rotate(-45deg);
    -ms-transform: rotate(-45deg);
    -o-transform: rotate(-45deg);
    transform: rotate(-45deg);
}

.nav .right-wrapper .user-fn-wrapper:hover .show-more {
    -webkit-transform: translate3d(0, 0, 0);
    -moz-transform: translate3d(0, 0, 0);
    transform: translate3d(0, 0, 0);
    opacity: 1;
    visibility: visible;
}

.nav .right-wrapper .user-fn-wrapper .user-avatar {
    display: inline-block;
    vertical-align: middle;
    height: 30px;
}

.nav .right-wrapper .user-fn-wrapper .user-avatar img {
    margin-right: 12px;
    height: 100%;
}

.nav .right-wrapper .user-fn-wrapper .username {
    display: inline-block;
    vertical-align: middle;
    height: 60px;
    line-height: 60px;
    font-size: 14px;
    color: #212121;
}

.footer-wrapper {
    width: 100%;
    height: 80px;
    background: #666666;
}

.footer-wrapper .footer {
    margin: 0 auto;
    width: 1200px;
    height: 80px;
    line-height: 80px;
    font-size: 0;
}

.footer-wrapper .footer .img-wrapper {
    box-sizing: border-box;
    margin-right: 10px;
    display: inline-block;
    vertical-align: middle;
    width: 139px;
    height: 53px;
    padding: 3px 8px;
    background: #FFFFFF;
    border-radius: 10px;
    overflow: hidden;
}

.footer-wrapper .footer .img-wrapper img {
    display: inline-block;
    height: 100%;
}

.footer-wrapper .footer .text-wrapper {
    display: inline-block;
    vertical-align: middle;
    font-size: 14px;
    font-family: PingFangSC-Medium, PingFang SC;
    font-weight: 500;
    color: rgba(255, 255, 255, 0.4);
    line-height: 21px;
}

@media screen and (max-width: 750px) {
    html, body {
        top: 0;
        bottom: 0;
        position: fixed;
        overflow-y: scroll;
        overflow-x: hidden;
    }

    .nav {
        display: none;
    }

    .nav-mobile {
        box-sizing: border-box;
        width: 100%;
        position: fixed;
        top: 0;
        padding: 0 0.27rem 0 0.7rem;
        display: flex;
        align-items: center;
        justify-content: space-between;
        height: 1.81rem;
        background: #FFFFFF;
        box-shadow: 0rem 0.05rem 0.11rem 0rem rgba(0, 0, 0, 0.08);
        z-index: 99;
    }


    .nav-mobile .mask {
        position: absolute;
        width: 100vw;
        right: -100%;
        top: 1.81rem;
        /* bottom: -1.8rem; */
        height: 100vh;
        z-index: 11;
        margin: auto;
        background: #F8F8F8;
        transition: all 0.2s linear;
    }

    .nav-mobile .mask.active {
        right: 0;
    }

    .nav-mobile .mask .nav-list {
        padding: 0.2rem 0.4rem;
    }

    .nav-mobile .mask .nav-list .nav-item {
        height: 1rem;
        line-height: 1rem;
        font-size: 0;
    }

    .nav-mobile .mobile-logo {
        height: 1rem;
    }

    .nav-mobile .more-nav {
        height: 0.8rem;
        line-height: 0.6rem;
    }

    .nav-mobile .more-nav img {
        display: inline-block;
        vertical-align: middle;
        width: 0.8rem;
        height: 0.8rem;
    }

    .nav-mobile .more-nav img.mobile-avatar {
        display: inline-block;
        vertical-align: middle;
        width: 0.6rem;
        height: 0.6rem;
    }

    .nav-mobile .mobile-logo img {
        /*display: block;
        height: 100%;*/
    }

    .footer-wrapper {
        height: auto;
    }

    .footer-wrapper .footer {
        box-sizing: border-box;
        padding: 0.7rem 0.85rem 0.48rem;
        width: 100%;
        height: auto;
    }

    .footer-wrapper .footer .img-wrapper {
        margin-bottom: 0.3rem;
        display: block;
        padding: 0.08rem 0.16rem;
        width: 2.56rem;
        height: 1.21rem;
        line-height: 1.21rem;
        background: #FFFFFF;
        border-radius: 0.27rem;
    }

    .footer-wrapper .footer .img-wrapper img {
        width: 100%;
        height: auto;
    }

    .footer-wrapper .footer .text-wrapper {
        display: block;
        font-size: 0.32rem;
        font-family: PingFangSC-Medium, PingFang SC;
        font-weight: 500;
        color: rgba(255, 255, 255, 0.4);
        line-height: 0.56rem;
    }
}