html,
body {
    margin: 0;
    padding: 0;
}
.section1{margin-top: 50px;}
.content,
.content>div {
    width: 100%;
}
img {
    width: 100%;
    display: block;
}

.section7 {
    padding: 4.8%;
    background:rgba(134,134,134,0.15);
    box-sizing: border-box;
}

#section7_video {
    width: 100%;
}
.section9 {
    position: relative;
    overflow: hidden;
}
.section9 .bg {
    position: absolute;
    left: 0;
    bottom: 0;
    width: 100%;
}

.section11 {
    position: relative;
    overflow: hidden;
}

.section11 .bg {
    position: absolute;
    left: 0;
    bottom: 0;
    width: 100%;
    box-sizing: border-box;
}

.link {
    position: absolute;
    font-size: 12px;
    font-family: FZLTZHJW--GB1-0;
    font-weight: bold;
    text-decoration: underline;
    color: rgba(255, 255, 255, 1);
    left: 50%;
    top: 50%;
    width: 80%;
    transform: translate(-50%, -50%);
    text-align: center
}

.section13>div {
    position: relative;
    margin-top: 3px;
}
.section15 {
    position: relative;
}
.section15 .btn {
    position: absolute;
    left: 24.93%;
    width: 50.13%;
    height: 6.74%;
}

.section17 {
    width: 100%;
    height: calc(100vw * 211 / 375);
}

.section19 { 
    -moz-column-count:2; /* Firefox */
    -webkit-column-count:2; /* Safari 和 Chrome */
    column-count:2;
    -moz-column-gap: 15px;
    -webkit-column-gap: 15px;
    column-gap: 15px;
    width: 94%;
    /* margin:20px auto; */
    padding: 10px;
    box-sizing: border-box;
}
.item { 
    margin-bottom: 20px;
    -moz-page-break-inside: avoid;
    -webkit-column-break-inside: avoid;
    break-inside: avoid;
    border-radius: 5px;
    overflow: hidden;
}
.section20 {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.8);
    display: none;
}

.section20>img {
    position: relative;
    width: 100%;
    height: 100%;
    left: 50%;
    top: 50%;
    transform: translate(-50%, -50%);
}



.csxz {
    top: 7.28%
}

.zpyq {
    top: 21.15%
}
.cszg {
    top: 35.03%
}
.pst {
    top: 48.90%
}
.jxsz {
    top: 62.77%
}

.csxz1 {
    position: fixed;
    top: 50px;
    left: 0;
    width: 100%;
    height: 100%;
    display: none;
    overflow: scroll;
}
.csxz1>div {
    position: relative;
    width: 100%;
    height: 100%;
    overflow: scroll;
    background: black;
}

.csxz1_1 {
    position: absolute;
    width: 93.33%;
    top: calc(100vw * 69 / 375);
    left: 50%;
    transform: translateX(-50%);
}
.zpyq1 {
    position: fixed;
    top: 50px;
    left: 0;
    width: 100%;
    height: 100%;
    display: none;
}
.zpyq1>div{
    width: 100%;
    height: 100%;
    overflow: scroll;
    background: black;
}
.cszg1 {
    position: fixed;
    top: 50px;
    left: 0;
    width: 100%;
    height: 100%;
    display: none;
}
.cszg1>div{
    width: 100%;
    height: 100%;
    overflow: scroll;
    background: black;
}
.pst1 {
    position: fixed;
    top: 50px;
    left: 0;
    width: 100%;
    height: 100%;
    display: none;
}
.pst1>div{
    width: 100%;
    height: 100%;
    overflow: scroll;
    background: black;
}
.jxsz1 {
    position: fixed;
    top: 50px;
    left: 0;
    width: 100%;
    height: 100%;
    display: none;
}
.jxsz1>div{
    width: 100%;
    height: 100%;
    overflow: scroll;
    background: black;
}

.back {
    position: fixed;
    top: 70px;
    right: 10px;
    width: 38px;
    display: none;
}