/* PC s */
/* banner s */
.bannerbox {
  width: 100%;
  line-height: 0;
}

.bannerbox img {
  width: 100%;
  line-height: 0;
  border: 0;
}

/* banner e */
/* 简介框背景 s */
.content:nth-child(2) .contentleft,
.content:nth-child(10) .contentleft,
.content:nth-child(19) .contentleft,
.content:nth-child(28) .contentleft,
.content:nth-child(35) .contentleft,
.content:nth-child(44) .contentleft,
.content:nth-child(34) .contentleft {
  background: -webkit-gradient(linear, left top, right bottom, color-stop(0%, #0ed3b6), color-stop(100%, #41ecde));
}

.content:nth-child(4) .contentleft,
.content:nth-child(11) .contentleft,
.content:nth-child(15) .contentleft,
.content:nth-child(20) .contentleft,
.content:nth-child(24) .contentleft,
.content:nth-child(29) .contentleft,
.content:nth-child(35) .contentleft,
.content:nth-child(45) .contentleft {
  background: -webkit-gradient(linear, left top, right bottom, color-stop(0%, #5b88ff), color-stop(100%, #a0c1ff));
}

.content:nth-child(5) .contentleft,
.content:nth-child(6) .contentleft,
.content:nth-child(12) .contentleft,
.content:nth-child(24) .contentleft,
.content:nth-child(30) .contentleft,
.content:nth-child(36) .contentleft,
.content:nth-child(46) .contentleft {
  background: -webkit-gradient(linear, left top, right bottom, color-stop(0%, #ff697c), color-stop(100%, #ff98a7));
}

.content:nth-child(7) .contentleft,
.content:nth-child(0) .contentleft,
.content:nth-child(37) .contentleft,
.content:nth-child(56) .contentleft,
.content:nth-child(47) .contentleft {
  background: -webkit-gradient(linear, left top, right bottom, color-stop(0%, #fe884b), color-stop(100%, #feb17b));
}

.content:nth-child(8) .contentleft,
.content:nth-child(13) .contentleft,
.content:nth-child(22) .contentleft,
.content:nth-child(38) .contentleft,
.content:nth-child(48) .contentleft {
  background: -webkit-gradient(linear, left top, right bottom, color-stop(0%, #9575e2), color-stop(100%, #baa1ee));
}

.content:nth-child(3) .contentleft,
.content:nth-child(14) .contentleft,
.content:nth-child(31) .contentleft,
.content:nth-child(39) .contentleft,
.content:nth-child(49) .contentleft,
.content:nth-child(56) .contentleft {
  background: -webkit-gradient(linear, left top, right bottom, color-stop(0%, #68d574), color-stop(100%, #a1e9ab));
}

.content:nth-child(9) .contentleft,
.content:nth-child(15) .contentleft,
.content:nth-child(23) .contentleft,
.content:nth-child(32) .contentleft,
.content:nth-child(40) .contentleft,
.content:nth-child(50) .contentleft {
  background: -webkit-gradient(linear, left top, right bottom, color-stop(0%, #3291fd), color-stop(100%, #78c6fe));
}

.content:nth-child(16) .contentleft,
.content:nth-child(18) .contentleft,
.content:nth-child(21) .contentleft,
.content:nth-child(33) .contentleft,
.content:nth-child(41) .contentleft,
.content:nth-child(51) .contentleft {
  background: -webkit-gradient(linear, left top, right bottom, color-stop(0%, #ff606c), color-stop(100%, #ff9ba5));
}

.content:nth-child(17) .contentleft,
.content:nth-child(25) .contentleft,
.content:nth-child(26) .contentleft,
.content:nth-child(42) .contentleft,
.content:nth-child(56) .contentleft,
.content:nth-child(52) .contentleft {
  background: -webkit-gradient(linear, left top, right bottom, color-stop(0%, #ff6753), color-stop(100%, #ffa18f));
}

.content:nth-child(18) .contentleft,
.content:nth-child(27) .contentleft,
.content:nth-child(27) .contentleft,
.content:nth-child(43) .contentleft,
.content:nth-child(53) .contentleft {
  background: -webkit-gradient(linear, left top, right bottom, color-stop(0%, #6c68ff), color-stop(100%, #a4a1ff));
}

.cover-player {
  width: 100%;
}

.videocontent {
  position: relative;
}

.cover-player .cover-img {
  width: 100%;
  position: absolute;
  top: 0;
  left: 0;
}

.cover-player .mc {
  position: absolute;
  top: 0;
  width: 100%;
  height: 100%;
  background-color: rgba(0, 0, 0, .3);
  display: flex;
  justify-content: center;
  align-items: center;
  flex-direction: column;
}

.cover-player .mc span {
  font-size: 30px;
  color: #ffffffab;
  margin-top: 15px;
}

/* 简介框 e */
/* PC s */
@media screen and (min-width: 1300px) {
  .tobbox .ydinfo {
    display: none;
  }

  img {
    border: 0;
    vertical-align: top;
  }

  /* 头部 s */
  .mheader {
    display: none;
  }

  /* 头部 e */
  /* 视频简介 s */
  .videobox {
    width: 100%;
    height: 360px;
    color: #ccc;
    background: rgba(204, 204, 204, 0.5);
    padding: 50px 0;
    margin-bottom: 30px;
  }

  .video_box {
    width: 1300px;
    height: 360px;
    margin: 0 auto;
    overflow: hidden;
  }

  .videobox .videotext {
    width: 315px;
    height: 360px;
    position: relative;
  }

  .videotext p {
    background: #26da6f;
    padding: 10px 10px;
    height: 25px;
    font-size: 18px;
    line-height: 25px;
    border-radius: 30px;
    color: #fff;
    margin-bottom: 50px;
    position: relative;
    box-shadow: 0px 0px 15px #ccc;
  }

  .video_left p::after {
    content: "";
    position: absolute;
    width: 44px;
    height: 26px;
    background: url(../images/green.png)center center no-repeat;
    top: 100%;
    left: 60%;
  }

  .video_right p::after {
    content: "";
    position: absolute;
    width: 44px;
    height: 26px;
    background: url(../images/white.png)center center no-repeat;
    top: 100%;
    right: 60%;
  }

  .video_left p::after {
    transform: rotateY(180deg);
  }

  .videotext p:nth-child(2n)::after {
    background: url(../images/white.png)center center no-repeat;
  }

  .video_right p:nth-child(2n)::after {
    background: url(../images/green.png)center center no-repeat;
  }

  .videotext p:first-child {
    margin-top: 5px;
  }

  .video_left p:nth-child(2n) {
    background: #fff;
    color: #000;
  }

  .video_right p:nth-child(2n+1) {
    background: #fff;
    color: #000;
  }

  .videocontent {
    width: 640px;
    height: 360px;
    margin: 0 15px;
    cursor: pointer;
  }

  /* 视频简介 e */
  /* B站跳转 s */
  .tobbox {
    width: 100%;
    padding: 30px 0;
    background: -webkit-linear-gradient(#00b0ed, #0089e1);
    position: relative;
    margin-bottom: 40px;
  }

  .tobbox .pcinfo {
    display: block;
    width: 1300px;
    margin: 0 auto;
    text-align: center;
    font-size: 0;
  }

  .tobbox .pcinfo img {
    width: 100%;
  }

  /* B站跳转 e */
  /* 内容 s */
  .contentbox {
    width: 1300px;
    margin: 0 auto;
    position: relative;
  }

  .nav {
    width: 240px;
    height: 600px;
    background: url(../images/bg-nav.png)center center no-repeat;
    background-size: 100% 100%;
    box-shadow: 0px 0px 15px #ccc;
    border-radius: 10px;
    position: relative;
    top: 0;
  }

  #result2 {
    width: 100%;
    height: 539px;
    overflow-y: scroll;
    padding-top: 8px;
    box-sizing: border-box;
  }

  .nav h6 {
    text-align: center;
    height: 40px;
    line-height: 40px;
    font-size: 22px;
    font-weight: 600;
    letter-spacing: 15px;
    text-indent: 15px;
  }

  .nav p {
    line-height: 32px;
    font-size: 14px;
    padding-left: 20px;
    margin-bottom: 4px;
  }

  #bigdata p:last-child {
    margin-bottom: 15px;
  }

  .nav p a {
    color: #1d1d1f;
    display: flex;
  }

  .nav p a span:first-child {
    margin-right: 5px;
  }

  .nav p.current {
    font-size: 16px;
    background: #d6ebff;
  }

  .nav p.current a {
    color: #003399;
  }

  .nav .nav_info {
    position: absolute;
    width: 100%;
    height: 120px;
    border-radius: 10px;
    background: -webkit-linear-gradient(#00b0ed, #0089e1);
    top: 610px;
  }

  .nav_info p {
    font-size: 24px;
    line-height: 1;
    font-weight: 600;
    margin: 0;
    text-align: center;
    padding: 0;
    margin-top: 35px;
  }

  .nav_info p:last-child {
    font-size: 20px;
    font-weight: 400;
    margin-top: 10px;
  }

  .content {
    width: 1040px;
    border-radius: 10px;
    overflow: hidden;
    box-shadow: 0px 0px 10px #eee;
    position: relative;
    margin-bottom: 20px;
    background: #fff;
  }

  .content:last-child {
    margin-bottom: 150px;
  }

  .contentleft {
    width: 400px;
    padding-top: 40px;
    text-align: center;
    float: left;
  }

  .contentleft h6 {
    font-size: 30px;
    font-weight: 600;
  }

  .contentleft img {
    margin: 54px 0;
  }

  .contentleft h1 {
    display: none;
  }

  .contentright {
    width: 640px;
    padding: 23px 18px 0 22px;
    color: #1d1d1f;
    box-sizing: border-box;
    float: left;
    height: 100%;
  }

  .contentright h1 {
    font-size: 22px;
    font-weight: 600;
    line-height: 44px;
    margin-bottom: 13px;
  }

  .contentright h1 span:first-child {
    margin-right: 5px;
    color: #3399ff;
  }

  .contentright h1 a {
    float: right;
    height: 38px;
    width: 180px;
    background: url(../images/wx.png?v1) 7px 9px no-repeat #ff7e00;
    background-size: 27px 22px;
    position: relative;
    cursor: pointer;
    border-radius: 10px;
    color: #fff;
    box-sizing: border-box;
    padding-left: 30px;
    line-height: 38px;
    text-align: center;

  }

  .contentright h1 a div {
    position: absolute;
    width: 180px;
    height: 216px;
    background: #fff;
    border-radius: 10px;
    top: 41px;
    box-shadow: 0 0 10px #aaa;
    line-height: 1;
    font-size: 0;
    overflow: hidden;
    display: none;
    left: 0;
  }

  .contentright h1 a div img {
    width: 100%;
    margin-bottom: 5px;
    margin-top: 5px;
  }

  .contentright h1 a div h6 {
    text-align: center;
    font-size: 16px;
    color: #3d3d3d;
  }

  .contentright h1 a:hover div {
    display: block;
  }

  .contentright h1 a i {
    font-weight: bold;
    font-size: 16px;
    letter-spacing: 1px;
  }

  .contentright p {
    font-size: 14px;
    line-height: 2;
    letter-spacing: 1px;
  }

  .source {
    position: absolute;
    bottom: 14px;
    height: 30px;
    left: 422px;
  }

  .source span {
    float: left;
    line-height: 30px;
    padding: 0 10px;
    margin-right: 20px;
    border: 1px solid #eee;
    border-radius: 30px;
    color: #999;
  }

  .source span img {
    position: relative;
    top: 7px;
    left: 3px;
  }

  /* 内容 e */
  /* footer s */
  .bottombg {
    width: 100%;
    min-width: 1310px;
    height: 300px;
    background: #323232;
  }

  .bottom1 {
    margin: 0 auto;
    width: 1200px;
    height: 100px;
    border-bottom: 1px solid #474747;
  }

  .bottom1 ul {
    padding: 0 0 0 110px;
  }

  .bottom1 ul li {
    float: left;
  }

  .bottom1 ul li a {
    color: #ffffff;
  }

  .bottomimg1 {
    width: 300px;
    height: 100px;
    line-height: 100px;
    background: url(../images/bottom-one.gif) left center no-repeat;
    padding: 0 0 0 60px;
    color: #ffffff;
    font-family: "Microsoft YaHei";
    font-size: 18px;
  }

  .bottomimg2 {
    width: 300px;
    height: 100px;
    line-height: 100px;
    background: url(../images/bottom-two.gif) left center no-repeat;
    padding: 0 0 0 60px;
    color: #ffffff;
    font-family: "Microsoft YaHei";
    font-size: 18px;
  }

  .bottomimg3 {
    width: 300px;
    height: 100px;
    line-height: 100px;
    background: url(../images/bottom-three.gif) left center no-repeat;
    padding: 0 0 0 60px;
    color: #ffffff;
    font-family: "Microsoft YaHei";
    font-size: 18px;
  }

  .bottom2 {
    margin: 0 auto;
    width: 1100px;
    height: 140px;
    padding: 25px 0;
  }

  .bottom2 dl {
    float: left;
    width: 180px;
    height: 140px;
    background: url(../images/bottombg.gif) 120px 10px no-repeat;
  }

  .bottom2 dl dt {
    height: 35px;
    line-height: 35px;
    color: #ffffff;
    font-family: "Microsoft YaHei";
    font-size: 20px;
  }

  .bottom2 dl dd {
    height: 30px;
    line-height: 35px;
    color: #a8a8a8;
    font-family: "Microsoft YaHei";
    font-size: 12px;
    padding: 0 0 0 5px;
  }

  .bottom2 dl dd a {
    height: 35px;
    line-height: 35px;
    color: #a8a8a8;
    font-family: "Microsoft YaHei";
    font-size: 12px;
    padding: 0 0 0 5px;
  }

  .copyright {
    width: 100%;
    min-width: 1310px;
    height: 40px;
    line-height: 40px;
    text-align: center;
    background: #2a2a2a;
    color: #a8a8a8;
    font-family: "Microsoft YaHei";
    font-size: 12px;
    padding: 0;
    position: relative;
  }

  .copyright a {
    color: #a8a8a8;
  }

  .copyright a img {
    position: relative;
    top: 14px;
  }

  .righta {
    display: block;
    font-size: 14px;
    float: right;
    font-family: "Microsoft YaHei";
    padding: 17px 10px 0 0;
  }

  .duilian {
    top: 300px;
    left: 1px;
    position: absolute;
    width: 122px;
    height: 236px;
    overflow: hidden;
    display: none;
  }

  /* footer e */
  .bottom {
    display: none;
  }
}

/* PC e */
/* 中屏 s */
@media screen and (min-width: 1040px) and (max-width:1300px) {
  .tobbox .ydinfo {
    display: none;
  }

  /* B站跳转 s */
  .tobbox {
    width: 100%;
    padding: 30px 0;
    background: -webkit-linear-gradient(#00b0ed, #0089e1);
    position: relative;
    margin-bottom: 30px;
  }

  .tobbox .pcinfo {
    display: block;
    width: 95%;
    margin: 0 auto;
    text-align: center;
    font-size: 0;
  }

  .tobbox .pcinfo img {
    width: 100%;
  }

  /* B站跳转 e */
  /* 头部 s */
  .mheader {
    display: none;
  }

  /* 头部 e */
  .contentbox {
    width: 1040px;
    margin: 0 auto;
    position: relative;
  }

  .nav {
    display: none;
  }

  .content {
    width: 1040px;
    border-radius: 10px;
    overflow: hidden;
    box-shadow: 0px 0px 10px #eee;
    position: relative;
    margin-bottom: 20px;
    background: #fff;
  }

  .contentleft {
    width: 400px;
    padding-top: 40px;
    text-align: center;
    float: left;
  }

  .contentleft h1 {
    display: none;
  }

  .contentleft h6 {
    font-size: 30px;
    font-weight: 600;
  }

  .contentleft img {
    margin: 54px 0;
  }

  .contentright {
    width: 640px;
    padding: 23px 18px 0 22px;
    color: #1d1d1f;
    box-sizing: border-box;
    float: left;
    height: 100%;
  }

  .contentright h1 {
    font-size: 22px;
    font-weight: 600;
    line-height: 44px;
    margin-bottom: 13px;
  }

  .contentright h1 span:first-child {
    margin-right: 5px;
    color: #3399ff;
  }

  .contentright h1 a {
    float: right;
    height: 38px;
    width: 180px;
    background: url(../images/wx.png?v1) 7px 9px no-repeat #ff7e00;
    background-size: 27px 22px;
    position: relative;
    cursor: pointer;
    border-radius: 10px;
    color: #fff;
    box-sizing: border-box;
    padding-left: 30px;
    line-height: 38px;
    text-align: center;

  }



  .contentright h1 a div {
    position: absolute;
    width: 180px;
    height: 216px;
    background: #fff;
    border-radius: 10px;
    top: 41px;
    box-shadow: 0 0 10px #aaa;
    line-height: 1;
    font-size: 0;
    overflow: hidden;
    display: none;
    left: 0;
  }

  .contentright h1 a div img {
    width: 100%;
    margin-bottom: 5px;
    margin-top: 5px;
  }

  .contentright h1 a div h6 {
    text-align: center;
    font-size: 16px;
    color: #3d3d3d;
  }

  .contentright h1 a:hover div {
    display: block;
  }

  .contentright h1 a i {
    font-weight: bold;
    font-size: 16px;
    letter-spacing: 1px;
  }

  .contentright p {
    font-size: 14px;
    line-height: 2;
    letter-spacing: 1px;
  }

  .source {
    position: absolute;
    bottom: 14px;
    height: 30px;
    left: 422px;
  }

  .source span {
    float: left;
    line-height: 30px;
    padding: 0 10px;
    margin-right: 20px;
    border: 1px solid #eee;
    border-radius: 30px;
    color: #999;
  }

  .source span img {
    position: relative;
    top: 3px;
    left: 3px;
  }

  .bottombg {
    display: none;
  }

  .copyright {
    display: none;
  }

  .duilian {
    display: none;
  }

  .bottom {
    width: 100%;
    padding: 10px 0px 78px 0;
    height: auto;
    background: #333333;
    text-align: center;
    border-top: none;
    margin-top: 0px;
  }

  .bottom_code {
    width: 30%;
    padding: 0 2%;
  }

  .bottom_code img {
    width: 100%;
  }

  .bottom_font {
    float: right;
    width: 68%;
    text-align: left;
  }

  .bottom_font a {
    color: #ffffff;
  }

  .bottom_font1 {
    font-family: "微软雅黑";
    padding: 2%;
    color: #ffffff;
    font-size: 1.2rem;
    font-weight: bolder;
  }

  .bottom_font2 {
    font-family: "微软雅黑";
    padding: 1%;
    color: #ffffff;
    font-size: 0.8rem;
    font-weight: bolder;
  }

  /* 视频简介 s */
  .videobox {
    width: 100%;
    height: 360px;
    color: #ccc;
    background: rgba(204, 204, 204, 0.5);
    padding: 50px 0;
    margin-bottom: 30px;
  }

  .video_box {
    width: 680px;
    height: 360px;
    margin: 0 auto;
    overflow: hidden;
  }

  .videobox .videotext {
    display: none;
  }

  .videocontent {
    width: 640px;
    height: 360px;
    margin: 0 15px;
    background: url(../images/videobg.png)center center no-repeat;
    cursor: pointer;
  }
}
.copyright { display: none; }
.bottombg { display: none; }
.duilian { display: none; }
.bottom { display: none; }

/* 中屏 e */
/* 移动端 s */
@media screen and (max-width: 1040px) {
  body {
    padding: 3.2rem 0 0 0;
    background: #ffffff;
  }

  p {
    margin: 0;
    padding: 0;
  }

  a {
    margin: 0;
    padding: 0;
  }

  /* 头部 **/
  header {
    display: none;
  }

  .mheader {
    position: fixed;
    top: 0;
    left: 0;
    display: table;
    width: 100%;
    /* padding : 5px; */
    background: #f1f1f1;
    font-size: 1rem;
    z-index: 999;
    display: block;
  }

  .mheader img {
    width: 95%;
    margin: 0 auto;
    display: block;
    margin-top: 2px;
  }

  .bannerbox {
    padding-top: 50px;
  }

  .nav {
    display: none;
  }

  .contentbox {
    width: 100%;
  }

  .content {
    background: #fff;
    width: 95%;
    margin: 0 auto;
    color: #000;
    float: none;
    margin-bottom: 20px;
    border-radius: 10px;
    box-shadow: 0px 0px 15px #ccc;
    overflow: hidden;
    position: relative;
  }

  .contentleft {
    width: 100%;
    text-align: center;
  }

  .contentleft h6 {
    color: #fff;
    font-size: 22px;
    display: none;
  }

  .contentleft img {
    display: none;
    width: 15%;
  }

  .contentright {
    padding: 0 15px 60px;
  }

  .contentleft h1 {
    padding: 15px 0 10px 15px;
    text-align: left;
    display: flex;
  }

  .contentleft h1 span:first-child {
    margin-right: 8px;
    color: #000;
  }

  .contentleft h1 a {
    position: absolute;
    width: 100%;
    height: 40px;
    bottom: 10px;
    left: 0;
    line-height: 40px;
    font-weight: 600;
    color: #fff;
    text-align: center;
    background-image: -webkit-radial-gradient(circle, #6b778d, #8d9bb7);
  }

  .contentleft h1 a div {
    position: absolute;
    width: 150px;
    height: 175px;
    background: url(../images/ewm.png) center bottom no-repeat #fff;
    border-radius: 10px;
    background-size: 150px 150px;
    box-shadow: 0 0 10px #aaa;
    line-height: 1;
    font-size: 0;
    overflow: hidden;
    display: none;
    left: 50%;
    transform: translateX(-50%);
    bottom: 45px;
  }

  .contentleft h1 a div h5 {
    text-align: center;
    font-size: 16px;
    color: #3d3d3d;
    margin-top: 10px;
  }

  .contentleft h1 a:hover div {
    display: block;
  }

  .contentleft h1 a i {
    display: block;
    background: url(../images/wx.png?v1)60px center no-repeat;
    background-size: auto 70%;
  }

  .contentright h1 {
    display: none;
  }

  .source {
    display: none;
  }

  .bottombg {
    display: none;
  }

  .copyright {
    display: none;
  }

  .duilian {
    display: none;
  }

  .toolbarbox {
    height: 128px;
  }

  .mobel {
    display: none;
  }

  .toolbarbox {
    display: none;
  }

  #nav_composition {
    display: none;
  }

  /**footer **/
  .bottom {
    width: 100%;
    padding: 10px 0px 78px 0;
    height: auto;
    background: #333333;
    text-align: center;
    border-top: none;
    margin-top: 0px;
  }

  .bottom_code {
    width: 30%;
    padding: 0 2%;
  }

  .bottom_code img {
    width: 100%;
  }

  .bottom_font {
    float: right;
    width: 68%;
    text-align: left;
  }

  .bottom_font a {
    color: #ffffff;
  }

  .bottom_font1 {
    font-family: "微软雅黑";
    padding: 2%;
    color: #ffffff;
    font-size: 1.2rem;
    font-weight: bolder;
  }

  .bottom_font2 {
    font-family: "微软雅黑";
    padding: 1%;
    color: #ffffff;
    font-size: 0.8rem;
    font-weight: bolder;
  }

  .content:nth-child(2) .contentleft,
  .content:nth-child(12) .contentleft,
  .content:nth-child(22) .contentleft,
  .content:nth-child(32) .contentleft,
  .content:nth-child(42) .contentleft,
  .content:nth-child(52) .contentleft {
    background: -webkit-gradient(linear, left top, right bottom, color-stop(0%, #0ed3b6), color-stop(100%, #41ecde));
  }

  .content:nth-child(3) .contentleft,
  .content:nth-child(13) .contentleft,
  .content:nth-child(23) .contentleft,
  .content:nth-child(33) .contentleft,
  .content:nth-child(43) .contentleft,
  .content:nth-child(53) .contentleft {
    background: -webkit-gradient(linear, left top, right bottom, color-stop(0%, #5b88ff), color-stop(100%, #a0c1ff));
  }

  .content:nth-child(4) .contentleft,
  .content:nth-child(14) .contentleft,
  .content:nth-child(24) .contentleft,
  .content:nth-child(34) .contentleft,
  .content:nth-child(44) .contentleft {
    background: -webkit-gradient(linear, left top, right bottom, color-stop(0%, #ff697c), color-stop(100%, #ff98a7));
  }

  .content:nth-child(5) .contentleft,
  .content:nth-child(15) .contentleft,
  .content:nth-child(25) .contentleft,
  .content:nth-child(35) .contentleft,
  .content:nth-child(45) .contentleft {
    background: -webkit-gradient(linear, left top, right bottom, color-stop(0%, #fe884b), color-stop(100%, #feb17b));
  }

  .content:nth-child(6) .contentleft,
  .content:nth-child(16) .contentleft,
  .content:nth-child(26) .contentleft,
  .content:nth-child(36) .contentleft,
  .content:nth-child(46) .contentleft {
    background: -webkit-gradient(linear, left top, right bottom, color-stop(0%, #9575e2), color-stop(100%, #baa1ee));
  }

  .content:nth-child(7) .contentleft,
  .content:nth-child(17) .contentleft,
  .content:nth-child(27) .contentleft,
  .content:nth-child(1) .contentleft,
  .content:nth-child(47) .contentleft {
    background: -webkit-gradient(linear, left top, right bottom, color-stop(0%, #68d574), color-stop(100%, #a1e9ab));
  }

  .content:nth-child(8) .contentleft,
  .content:nth-child(18) .contentleft,
  .content:nth-child(28) .contentleft,
  .content:nth-child(38) .contentleft,
  .content:nth-child(48) .contentleft,
  .content:nth-child(58) .contentleft {
    background: -webkit-gradient(linear, left top, right bottom, color-stop(0%, #3291fd), color-stop(100%, #78c6fe));
  }

  .content:nth-child(9) .contentleft,
  .content:nth-child(19) .contentleft,
  .content:nth-child(29) .contentleft,
  .content:nth-child(39) .contentleft,
  .content:nth-child(49) .contentleft,
  .content:nth-child(59) .contentleft {
    background: -webkit-gradient(linear, left top, right bottom, color-stop(0%, #ff606c), color-stop(100%, #ff9ba5));
  }

  .content:nth-child(10) .contentleft,
  .content:nth-child(20) .contentleft,
  .content:nth-child(30) .contentleft,
  .content:nth-child(40) .contentleft,
  .content:nth-child(50) .contentleft {
    background: -webkit-gradient(linear, left top, right bottom, color-stop(0%, #ff6753), color-stop(100%, #ffa18f));
  }

  .content:nth-child(11) .contentleft,
  .content:nth-child(21) .contentleft,
  .content:nth-child(31) .contentleft,
  .content:nth-child(41) .contentleft,
  .content:nth-child(51) .contentleft {
    background: -webkit-gradient(linear, left top, right bottom, color-stop(0%, #6c68ff), color-stop(100%, #a4a1ff));
  }

  .videobox {
    width: 100%;
    color: #ccc;
    background: rgba(204, 204, 204, 0.5);
    padding: 50px 0;
  }

  .video_box {
    width: 95%;
    margin: 0 auto;
    overflow: hidden;
  }

  .videobox .videotext {
    display: none;
  }

  .videocontent {
    width: 100%;
    background-size: 100% 100%;
    cursor: pointer;
  }

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

  /* B站跳转 s */
  .tobbox {
    width: 100%;
    padding: 30px 0;
    position: relative;
    margin-bottom: 15px;
  }

  .tobbox .pcinfo {
    display: none;
  }

  .tobbox .ydinfo {
    display: block;
    margin: 0 auto;
    width: 95%;
    position: relative;
    text-align: center;
  }

  .tobbox .ydinfo img {
    width: 100%;
  }

  .tobbox .ydinfo .videorun {
    width: 25%;
  }
.pc-footer { display: none; }
.bottom { display: block; }
  /* B站跳转 e */
}


/* 移动端 e */