body {
    font-family: PingFang SC, Hiragino Sans GBArial, Microsoft Yahei, serif;
    font-size: 16px;
}

#intro {
    width: 100%;
    position: relative;
    overflow: hidden;
    text-align: center;
}

#intro .logo {
    width: 100%;
    height: 62px;
    margin-top: 30px;
    background: url("../img/logo.png") no-repeat center;
    background-size: contain;
}

#intro .text {
    margin-top: 30px;
}

#intro .title {
    height: 28px;
    line-height: 28px;
    font-size: 28px;
    font-weight: 500;
    letter-spacing: 1px;
    color: #37403f;
}

#intro .content {
    margin-top: 16px;
    height: 16px;
    line-height: 16px;
    color: #464b4a;
}

#intro .image {
    margin-top: 30px;
    width: 352px;
    height: 238px;
    margin-left: auto;
    margin-right: auto;
    background: url("../img/content_1.png") no-repeat;
    background-size: cover;
}

#intro .download {
    display: block;
    width: 146px;
    height: 44px;
    /* margin-top: 32px; */
    margin-left: auto;
    margin-right: auto;
}

#intro .remind {
    font-size: 14px;
    text-align: center;
    margin: 12px 0;
    color: #666666;
}

#intro .download > img {
    width: 100%;
    height: 100%;
}

#intro .download > .down {
    display: none;
}

#intro .download:hover > .normal,
#intro .download:active > .normal {
    display: none;
}

#intro .download:hover > .down,
#intro .download:active > .down {
    display: inline-block;
}

#intro .upload_box{
    width: 320px;
    margin:0 auto 0;
    display: flex;
    justify-content: space-between;
    height:44px;
    margin-top:32px;
}

#intro > .download-desc {
    position: absolute;
    width: 120px;
    bottom: 68px;
    left: 50%;
    margin-left: -60px;
    line-height: 1;
    font-size: 14px;
    opacity: .72;
    color: rgba(8, 55, 46, 0.72);
}

.feature {
    height: 530px;
    box-sizing: border-box;
    border-top: 1px solid #e5ecec;
    text-align: center;
    overflow: hidden;
}

.feature .title {
    height: 21px;
    line-height: 21px;
    font-size: 21px;
    margin-top: 44px;
    color: #37403f;
}

.feature .desc {
    line-height: 1.5;
    font-size: 13px;
    margin-top: 24px;
    opacity: .72;
    color: rgba(8, 55, 46, 0.72);
}

.feature .icon {
    display: inline-block;
    background-size: contain;
    vertical-align: middle;
    margin-right: 8px;
}

.i-message {
    width: 26px;
    height: 19px;
    background: url("../img/icon_1.png") no-repeat center;
}

.i-voice {
    width: 33px;
    height: 25px;
    background: url("../img/icon_2.png") no-repeat center;
}

.i-search {
    width: 19px;
    height: 21px;
    background: url("../img/icon_3.png") no-repeat center;
}

.i-bow {
    width: 30px;
    height: 17px;
    background: url("../img/icon_4.png") no-repeat center;
}

.feature1 .image {
    margin-top: 63px;
}

.feature1 .image > img {
    width: 340px;
    height: auto;
}

.feature2 .image {
    margin-top: 67px;
}

.feature2 .image > img {
    width: 340px;
    height: auto;
}

.feature3 .image {
    margin-top: 34px;
}

.feature3 .image > img {
    width: 255px;
    height: auto;
}

.feature4 .image {
    margin-top: 34px;
}

.feature4 .image > img {
    width: 295px;
    height: auto;
    margin-left: 32px;
}

#download {
    margin-top: 20px;
    margin-bottom: 24px;
    text-align: center;
}

#download img {
    width: 120px;
    height: 36px;
}

/* #download > a .down {
    display: none;
}

#download > a:hover > .normal,
#download > a:active > .normal {
    display: none;
}

#download > a:hover > .down,
#download > a:active > .down {
    display: inline-block;
} */

#download .download > img {
    width: 100%;
    height: 100%;
}

#download .download > .down {
    display: none;
}

#download .download:hover > .normal,
#download .download:active > .normal {
    display: none;
}

#download .download:hover > .down,
#download .download:active > .down {
    display: inline-block;
}

#download .download {
    display: block;
    width: 146px;
    height: 44px;
    /* margin-top: 32px; */
    margin-left: auto;
    margin-right: auto;
}

#download .remind {
    font-size: 14px;
    text-align: center;
    margin: 12px 0;
    color: #666666;
}

#download .upload_box{
    width: 320px;
    margin:0 auto 0;
    display: flex;
    justify-content: space-between;
    margin-bottom:20px;
    height:44px;
}

#download .download-desc {
    margin-top: 8px;
    font-size: 14px;
    opacity: .72;
    color: rgba(8, 55, 46, 0.72);
}

#footer {
    height: 70px;
    background-color: #ebf1f6;
    text-align: center;
    overflow: hidden;
}

#footer .copyright {
    font-size: 9px;
    color: #464b4a;
    margin: 16px 0 10px;
}

#footer .copyright a{
    font-size: 9px;
    color: #464b4a;
    margin: 16px 0 10px 10px;
    text-decoration: none;
}

#footer .brand {
    display: inline-block;
}

#footer .netease {
    width: 58px;
    height: 19px;
    margin-right: 18px;
}

#footer .netease-game {
    width: 58px;
    height: 19px;
}

#mask {
    position: fixed;
    top: 0;
    right: 0;
    left: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.8);
    display: none;
}

#mask .arrow {
    width: 47px;
    height: 101px;
    position: absolute;
    top: 20px;
    right: 30px;
}

#mask .hint {
    position: absolute;
    top: 110px;
    right: 20px;
    color: white;
    text-align: center;
    line-height: 1.5;
}

@media (max-width: 374px) {
    #intro .image,
    .feature .image {
        zoom: .9;
    }

    #intro .download {
        bottom: 70px;
    }

    #intro .download-desc {
        bottom: 40px;
    }

}