.rybar {
    width: 100%;
    height: auto;
    overflow: hidden;
    background: #cecece;
}
.rybar img {
    display: block;
    height: auto;
    max-width: 90%;
    margin: 50px auto;
}

.scrollbox {
    width: calc(100% - 160px);
    height: auto;
    margin: 100px auto;
    overflow: hidden;
    position: relative;
}
.scrollbox ul {
    width: 500%;
    height: 36vw;
    overflow: hidden;
}
.scrollbox li {
    margin-right: 1.1vw;
    overflow: hidden;
    float: left;
    border: 4px solid #e4bc7e;
    margin-top: 6vw;
}
.scrollbox li img {
    width: 15.2vw;
    height: 21.5vw;
    display: block;
    object-fit: cover;
}
.scrollbox li.on {
    margin-top: 0;
}
.scrollbox li.on img {
    width: 23.6vw;
    height: 33.5vw;
}
.scrollbox li:hover {
    border: 4px solid #333;
}
.scrollleft, .scrollright {
    display: none;
}
.scrollaro {
    text-align: center;
    margin-top: 10px;
}
.scrollaro img {
    display: inline-block;
    cursor: pointer;
    margin: 0 20px;
    opacity: .6;
}
.scrollaro img:hover {
    opacity: .8;
}

/* 工厂 */
.gct {
    font-size: 40px;
    line-height: 50px;
    color: #5a3222;
    text-align: center;
    margin-top: 80px;
    font-weight: bold;
}
.gcc {
    width: 1200px;
    height: auto;
    overflow: hidden;
    margin: 40px auto 0 auto;
    font-size: 18px;
    line-height: 36px;
}
.gcv {
    width: 1200px;
    height: 520px;
    margin: 40px auto;
    overflow: hidden;
    position: relative;
    cursor: pointer;
}
.gcv img.playbtn {
    width: 80px;
    height: 80px;
    display: block;
    position: absolute;
    left: 50%;
    top: 50%;
    margin-top: -40px;
    margin-left: -40px;
    z-index: 10;
    opacity: .8;
}
.gcv:hover .playbtn {
    opacity: 1;
}

.playbox {
    width: 100%;
    height: 100%;
    position: absolute;
    left: 0;
    top: 0;
    z-index: 200;
    display: none;
    background: #000;
}

.playbox video {
    display: block;
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.playbox img.closebtn {
    display: block;
    width: 37px;
    height: 37px;
    cursor: pointer;
    position: absolute;
    top: 40px;
    right: 30px;
    z-index: 200;
}

.ysbox {
    width: 100%;
    height: auto;
    overflow: hidden;
    padding-bottom: 50px;
}
.ysrow {
    padding: 80px 0;
    width: 1200px;
    height: auto;
    overflow: hidden;
    margin: 0 auto;
    border-top: 2px solid #ccc;
}
.ysrow:nth-child(1) {
    border-top: 0;
}
.ysc {
    width: 49%;
    height: auto;
    overflow: hidden;
}
.ysct {
    font-size: 24px;
    font-weight: bold;
    line-height: 28px;
    padding-left: 20px;
    border-left: 4px solid #955223;
    margin-left: 100px;
    margin-top: 50px;
}
.yscc {
    padding: 40px 0 20px 100px;
    font-size: 18px;
    line-height: 36px;
}
.ysc img {
    display: block;
    max-width: 100%;
}
.ysrow:nth-child(even) .ysc:nth-child(1) {
    float: left;
}
.ysrow:nth-child(even) .ysc:nth-child(2) {
    float: right;
}
.ysrow:nth-child(odd) .ysc:nth-child(1) {
    float: right;
}
.ysrow:nth-child(odd) .ysc:nth-child(2) {
    float: left;
}