body {
    overflow: hidden;
}

.headerPC {
    position: fixed;
    width: 100%;
    height: 80px;
    z-index: 111;
    top: 0;
}

    .headerPC::after {
        width: 100%;
        height: 100%;
        position: absolute;
        top: 0;
        left: 0;
        opacity: 1;
        display: block;
        content: "";
        z-index: -1;
        background: #000000;
    }

    .headerPC > a {
        width: 119px;
        height: 22px;
        position: relative;
        display: block;
        margin-top: 26px;
        margin-left: 60px;
        float: left;
    }

        .headerPC > a::after {
            width: 100%;
            height: 100%;
            display: block;
            content: "";
            position: absolute;
            background: url(../images/logo.png) no-repeat;
            background-size: 100% 100%;
        }

    .headerPC > .nav {
        float: right;
        height: 80px;
        padding-right: 30px;
    }

        .headerPC > .nav a {
            width: 103px;
            height: 80px;
            line-height: 80px;
            text-decoration: none;
            float: left;
            text-align: center;
            color: #b8b8b8;
            font-size: 16px;
        }

            .headerPC > .nav a.light {
                color: #30ccef;
                /*pointer-events: none;*/
                position: relative;
            }

                .headerPC > .nav a.light::after {
                    width: 50px;
                    height: 51px;
                    content: "";
                    display: block;
                    position: absolute;
                    left: 50%;
                    top: 50%;
                    margin-left: -25px;
                    margin-top: -25.5px;
                    background: url(../images/navLight.png) no-repeat;
                    background-size: 100% 100%;
                }

.footer {
    position: fixed;
    width: 100%;
    height: 50px;
    z-index: 111;
    bottom: 0;
    text-align: center;
    color: #76777c;
    font-size: 12px;
    line-height: 50px;
}

    .footer::after {
        width: 100%;
        height: 100%;
        position: absolute;
        top: 0;
        left: 0;
        opacity: 1;
        display: block;
        content: "";
        z-index: -1;
        background: #040204;
    }

    .footer > a {
        color: #76777c;
        font-size: 12px;
        text-decoration: none;
    }

    .footer > b {
        color: #31a3f4;
        cursor: pointer;
        margin-left: 30px;
        font-size: 12px;
        text-decoration: underline;
    }

.box {
    position: fixed;
    top: 0;
    width: 100%;
    bottom: 0;
    background: #080815;
    overflow:hidden;
    /*background: url(../images/BG.png) no-repeat center center;
    background-size: 100% 100%;*/
    /*background: url(../images/BG.png) no-repeat center 0 fixed;*/
    /*background-size: cover;*/
    /*overflow-y: scroll;
    overflow: auto;
    overflow-x: hidden;*/
}

    /*.box::after {
        position: absolute;
        display: block;
        content: "";
        width: 100%;
        height: 100%;
        z-index:1;
        top:1.8rem;
        left:0;
        background: url(../images/Mask.png) no-repeat bottom;
        background-size: 100% 100%;
    }*/

.headerH5 {
    height: 1.15rem;
    width: 100%;
    position: fixed;
    top: 0;
    background: #03030b;
    z-index: 222;
    display: none;
}

    .headerH5 > a {
        width: 1.8rem;
        height: 0.33rem;
        position: relative;
        display: block;
        margin-top: 0.4rem;
        margin-left: 0.3rem;
        float: left;
        z-index: 2;
    }

        .headerH5 > a::after {
            width: 100%;
            height: 100%;
            display: block;
            content: "";
            position: absolute;
            background: url(../images/logo.png) no-repeat;
            background-size: 100% 100%;
        }

    .headerH5 > b {
        width: 0.6rem;
        height: 0.6rem;
        position: absolute;
        right: 0.25rem;
        top: 0.25rem;
        z-index: 2;
        /*background: #ff0000;*/
    }

        .headerH5 > b::after {
            width: 100%;
            height: 100%;
            display: block;
            content: "";
            position: absolute;
            background: url(../images/icon1.png) no-repeat;
            background-size: 100% 100%;
        }

        .headerH5 > b.light::after {
            background: url(../images/icon2.png) no-repeat;
            background-size: 100% 100%;
        }

    .headerH5 > .nav {
        position: fixed;
        top: 0;
        bottom: 0;
        width: 100%;
        z-index: 1;
        display: -webkit-box;
        -webkit-box-orient: vertical;
        -webkit-box-pack: center;
        -webkit-box-align: center;
        display: none;
    }

        .headerH5 > .nav a {
            display: block;
            font-size: 0.44rem;
            margin-top: 0.5rem;
            margin-bottom: 0.5rem;
            color: #a3a3a3;
        }

            .headerH5 > .nav a.light {
                color: #30ccef;
            }

        .headerH5 > .nav::after {
            width: 100%;
            height: 100%;
            position: absolute;
            top: 0;
            bottom: 0;
            display: block;
            z-index: -1;
            background: #000;
            opacity: 0.9;
            content: "";
        }

@media screen and (max-width:820px) {
    .headerPC {
        display: none;
    }

    .headerH5 {
        display: block;
    }

    .footer {
        height: 36px;
        line-height: 36px;
        font-size: 9px;
    }

        .footer a {
            font-size: 9px;
        }

        .footer b {
            margin-left: 10px;
            font-size: 9px;
        }
}