video {
    position: fixed;
    right: 0;
    bottom: 0;
    min-width: 100%;
    min-height: 100%;
    width: auto;
    height: auto;
    z-index: 0;
}

.mask {
    position: fixed;
    top: 0;
    bottom: 0;
    right: 0;
    left: 0;
    background: rgba(0, 0, 0, 0.4);
    z-index: 98;
}

.hover-container {
    position: absolute;
    top: 12%;
    width: 80%;
    text-align: center;
    right: 10%;
}

.logo {
    text-align: center;
    
}

.title {
    margin: 15% 0 0;
    font-size: 60px;
}

.child-title {
    width: 68%;
    margin: 0 auto;
    font-weight: 100;
    font-size: 14px;
}

.desc {
    font-size: 21px;
    font-weight: 100;
    width: 80%;
    margin: 3% auto 6%;
}

.line-enter {
    width: 32%;
    display: inline-block;
}
.line-enter p{
    color: #ffffff;
}

.btn-enter {
    width: 90%;
    max-width: 330px;
    margin: 0 auto;
    border: 1px solid;
    border-radius: 36px;
    padding: 8px;
    font-size: 20px;
    cursor: pointer;
}

.btn-enter:hover {
    background: rgba(255, 255, 255, 0.4);
    color: #fff;
}

.enter p {
    font-size: 14px;
    font-weight: 100;
}

.bottom {
    position: fixed;
    left: 50%;
    top: 94%;
    transform: translateX(-50%);
    z-index: 99;
    width: 90%;
    text-align: center;
}

.bottom p {
    font-weight: 100;
    font-size: 16px;
    margin: 0px;
}

@media(max-width:738px) {
    video {
        left: -100%;
    }
    .hover-container {
        width: 90%;
        right: 5%;
    }
    .title {
        margin: 20% 0px 5px;
        font-size: 32px;
    }
    .child-title {
        width: 86%;
        font-size: 12px;
    }
    .desc {
        font-size: 16px;
        font-weight: 100;
        width: 83%;
        margin: 6% auto 6%;
    }
    .line-enter {
        width: 100%;
        display: block;
    }
    .btn-enter {
        padding: 6px;
        font-size: 18px;
    }
    .btn-enter:hover {
        background: rgba(255, 255, 255, 0.4);
        color: #fff;
    }
    .enter p {
        font-size: 12px;
        font-weight: 100;
    }
    .bottom {
        top: 2% !important;
    }
    .bottom p {
        font-size: 13px;
        font-weight: bold;
    }
    #gif_bg {
        width: 100%;
        height: 100%;
        background: url(../img/bg.jpg) center no-repeat;
        background-size: cover;
    }
    .line-enter-4{
        margin-top: 0px !important;
    }
}
.line-enter-4{
    margin-top: 20px;
}
.icon {
    width: 20px;
    height: 20px;
    background-position: center;
    background-size: contain;
    background-repeat: no-repeat;
    display: inline-block;
    vertical-align: middle;
}
.text-left {
    text-align: left;
}

.text-right {
    text-align: right;
}

.text-center {
    text-align: center;
}

.img-content {
    cursor: pointer;
}

.text-justify {
    text-align: justify;
}

.text-justify:after {
    content: '';
    width: 100%;
    display: inline-block;
    overflow: hidden;
    height: 0;
}

.c_orange {
    color: #f2ae35;
}

.c_ddd {
    color: #ddd;
}

.c_blue {
    color: #2382c5;
}

.c_yellow {
    color: #d99e54;
}

.c_red {
    color: #e0615b;
}
.c_4 {
    color: #9ed25a;
}
.icon {
    width: 20px;
    height: 20px;
    background-position: center;
    background-size: contain;
    background-repeat: no-repeat;
    display: inline-block;
    vertical-align: middle;
}
*,
*:after,
*:before {
    -webkit-box-sizing: border-box;
    -moz-box-sizing: border-box;
    box-sizing: border-box;
    opacity: 1;
}

html,
body {
    margin: 0;
    padding: 0;
    background: #000;
    color: #fff;
}

img {
    width: 100%;
    cursor: pointer;
}

a {
    text-decoration: none;
    cursor: pointer;
}

ul {
    padding: 0;
    margin: 0;
}

.row {
    display: block;
    margin-bottom: 10px;
}

.container {
    margin: 0 auto;
}

.pc_show {
    display: block;
}

.mobile_show {
    display: none;
}

.overlay {
    height: 0;
    position: fixed;
    z-index: 9999;
    top: 78vh;
    left: 0;
    bottom: 0;
    right: 0;
    background-color: rgba(0, 0, 0, 0.8);
    overflow-y: hidden;
    transition: .5s;
}

.overlay-content {
    position: relative;
    width: 100%;
    height: 100%;
    text-align: center;
}


/*滚动条样式*/

*::-webkit-scrollbar {
    /*滚动条整体样式*/
    width: 2px;
    /*高宽分别对应横竖滚动条的尺寸*/
    height: 2px;
}

*::-webkit-scrollbar-thumb {
    /*滚动条里面小方块*/
    border-radius: 5px;
    -webkit-box-shadow: inset 0 0 5px rgba(0, 0, 0, 0.2);
    background: rgba(0, 0, 0, 0.2);
}

*::-webkit-scrollbar-track {
    /*滚动条里面轨道*/
    -webkit-box-shadow: inset 0 0 5px rgba(0, 0, 0, 0.2);
    border-radius: 0;
    background: rgba(0, 0, 0, 0.1);
}

@media (max-width: 738px) {
    #video_bg {
        display: none !important;
    }
    #gif_bg {
        display: block !important;
    }
    .pc_show {
        display: none;
    }
    .mobile_show {
        display: block;
    }
    .overlay {
        height: 0;
        position: fixed;
        z-index: 9999;
        top: 0;
        left: 0;
        bottom: 0;
        right: 0;
        background-color: rgba(0, 0, 0, 0.8);
        overflow-y: hidden;
        transition: .5s;
    }
    .overlay-content {
        position: relative;
        width: 100%;
        height: 100%;
        text-align: center;
    }
}