* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body,
html {
    width: 100%;
    height: 100%;
    -moz-user-select: none;
    -khtml-user-select: none;
    user-select: none;
    overflow: auto;
}

a {
    text-decoration: none;
}

ul {
    list-style-type: none;
}

img {
    display: block;
}

video {
    width: 100%;
    border: 1px solid #fff;
}

.clear {
    overflow: hidden;
}

.container .c_mobile {
    display: none;
}

/* banner */
.banner_box {
    width: 100%;
    position: relative;
}

.banner_box img.c_pc {
    width: 100%;
}

.banner_txt {
    position: absolute;
    left: 19%;
    top: 29%;
}

.banner_txt1 {
    font-size: 48px;
    font-weight: 600;
    color: rgba(37, 43, 58, 1);
}

.banner_txt2 {
    font-size: 24px;
    font-weight: 400;
    color: rgba(87, 93, 108, 1);
    margin: 35px 0;
}

.banner_txt3 {
    font-size: 32px;
    font-weight: 400;
    color: rgba(37, 43, 58, 1);
}

/* header */
.header_box {
    width: 100%;
    display: flex;
    flex-direction: row;
    justify-content: center;
    padding-top: 50px;
    padding-bottom: 100px;
    background: #f5f7fa;
}

.header_android,
.header_pc,
.header_ios,
.header_mac,
.header_ops {
    width: 11.5vw;
    height: 11.5vw;
    background: #fafbfd;
    border: 1px solid rgba(223, 225, 230, 1);
    border-radius: 10px;
    position: relative;
}

.c_pc .header_android:hover,
.c_pc .header_pc:hover,
.c_pc .header_ios:hover,
.c_pc .header_mac:hover,
.c_pc .header_ops:hover {
    background: #ffffff;
    border: 0;
    box-shadow: 0px 10px 40px 0px rgba(16, 47, 89, 0.1);
}

.h {
    background-color: #fff;
}

.header_box.c_pc>div:not(:last-child) {
    margin-right: 1.05vw;
}

.header_box .android,
.header_box .pc,
.header_box .ios,
.header_box .mac,
.header_box .ops {
    text-align: center;
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 88%;
    margin: auto;
}

.header_img {
    display: flex;
    justify-content: center;
}

.header_txt1 {
    height: 19px;
    font-size: 20px;
    font-weight: 600;
    color: rgba(37, 43, 58, 1);
    line-height: 22px;
    margin-top: 20px;
    text-align: center;
}

.header_txt2 {
    font-size: 14px;
    font-weight: 400;
    color: rgba(138, 142, 153, 1);
    line-height: 22px;
    margin-top: 10px;
    text-align: center;
}

.header_txt3 {
    font-size: 20px;
    /* font-weight:600; */
    color: #333333;
    margin-top: 20px;
    text-align: center;
}

.header_txt4 {
    font-size: 14px;
    line-height: 14px;
    margin-top: 10px;
    color: #8A8E99;
}

/* show */
.show_box {
    /* margin-top: 100px; */
}

.show_box .video img:first-child {
    width: 100%;
}

.video {
    position: relative;
}

.bf {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 48%;
}

.show img.show_img {
    width: 100%;
}

.show {
    position: relative;
    margin-top: -3px;
}

.show.show1 {
    margin-top: -15px;
}

.show_txt {
    position: absolute;
    z-index: 10;
}

.show_txt1 {
    height: 56px;
    font-size: 60px;
    font-weight: 600;
    color: rgba(255, 255, 255, 1);
    text-shadow: 0px 1px 8px rgba(0, 0, 0, 0.2);
}

.show_txt2 {
    height: 45px;
    font-size: 48px;
    font-weight: 400;
    color: rgba(255, 255, 255, 1);
    text-shadow: 0px 1px 8px rgba(0, 0, 0, 0.2);
    margin-top: 45px;
}

.show1 .show_txt {
    left: 18.8%;
    top: 37.18%;
}

.show1 .uhd_box {
    position: absolute;
    left: 43%;
    top: 39%;
}

.show1 .uhd {
    position: relative;
}

.show1 .uhd2 {
    position: absolute;
    left: 50%;
    top: 50%;
    transform: translate(-50%, -50%);
    z-index: 9;
}

.show2 .show_txt {
    right: 18.8%;
    top: 42.6%;
}

.show2 .show_txt2 {
    text-align: right;
}

.jx1,
.jx2 {
    position: absolute;
    z-index: 8;
}

.show2 .jx1 {
    left: 18.8%;
    top: 50%;
    transform: translateY(-50%);
}

.show2 .jx2 {
    right: 18.8%;
    bottom: 18%;
}

.by {
    position: absolute;
    bottom: 2.7%;
    width: 21.5%;
    right: 18.8%;
}

/* download */
.download_box {
    overflow: hidden;
    display: flex;
    justify-content: center;
    margin: 80px 0 100px;
}

.download {
    width: 15%;
}

.d {
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
}

/* footer */
.footer_box {
    width: 100%;
    background: #333333;
}

.footer {
    width: 58%;
    margin: auto;
}

.footer_txt {
    padding: 44px 0;
}

.en {
    font-weight: 300;
}

.p1 {
    font-size: 16px;
    font-weight: bold;
    color: rgba(255, 255, 255, 1);
    line-height: 32px;
}

.p1 span {
    font-weight: 200;
}

.line {
    height: 1px;
    background-color: rgba(102, 102, 102, 1);
    /* border:1px solid rgba(102,102,102,1); */
}

.p2 {
    font-size: 24px;
    font-weight: bold;
    color: rgba(255, 255, 255, 1);
    line-height: 30px;
    margin-bottom: 30px;
}

.p3 {
    font-size: 16px;
    font-weight: 200;
    color: rgba(255, 255, 255, 1);
    line-height: 32px;
}

/* .pc-h img,.mac-h img,.ios-h img{
    zoom: 1.2;
}  */
.android-h img {
    /* zoom: .8; */
    width: 90px;
}

.header_android-er:hover {
    border-radius: 0 0 10px 10px;
}

.header_android .android-er {
    display: block;
    top: -50%;
    width: 100%;
    height: 250px;
    padding-top: 50px;
    background: #ffffff;
    border-radius: 10px 10px 0 0;
}

.header_android .android-er-line {
    display: block;
    width: 80%;
    height: 1px;
    margin: 0 auto;
    margin-top: 42px;
    background: #cccccc;
}

.d_pc:hover {
    cursor: pointer;
}

.footer-d {
    cursor: pointer;
    color: #0D94FF;
}

.footer-d:hover {
    text-decoration: underline;
}

.p3-list {
    color: rgba(255, 255, 255, 0.6);
    font-size: 16px;
    padding-left: 1em;
    line-height: 22px;
}

video::-webkit-media-controls-fullscreen-button {
    display: none;
}

/* 播放按钮 */
video::-webkit-media-controls-play-button {
    display: none;
}

/* 进度条 */
video::-webkit-media-controls-timeline {
    display: none;
}

/* 观看的当前时间 */
video::-webkit-media-controls-current-time-display {
    display: none;
}

/* 剩余时间 */
video::-webkit-media-controls-time-remaining-display {
    display: none;
}

/* 音量按钮 */
video::-webkit-media-controls-mute-button {
    display: none;
}

video::-webkit-media-controls-toggle-closed-captions-button {
    display: none;
}

/* 音量的控制条 */
video::-webkit-media-controls-volume-slider {
    display: none;
}

/* 所有控件 */
video::-webkit-media-controls-enclosure {
    display: none;
}
@media (max-width: 1920px) {
    .header_box {
        padding-top: 2.5vw;
        padding-bottom: 5vw;
    }

    .header_android,
    .header_pc,
    .header_ios,
    .header_mac,
    .header_ops {
        height: 11.5vw;
    }

    .header_txt1 {
        margin-top: 1vw;
        height: auto;
        font-size: 1vw;
        line-height: 1.8vw;
    }

    .header_txt2 {
        margin-top: .05vw;
        font-size: .7vw;
        line-height: 1.4vw;
    }

    .header_txt3 {
        margin-top: 1vw;
        font-size: 1vw;
    }

    .header_txt4 {
        font-size: .7vw;
        line-height: .7vw;
    }

    .header_img img {
        width: 4vw;
		height:4vw;
    }

    .header_android .android-er {
        padding-top: 2.5vw;
        height: 11.5vw;
    }

    .header_android .android-er-line {
        margin-top: 1.5vw;
    }

}