@media screen and (max-width: 1350px) {
   .autoW {
      width: 67.7vw;
      min-width: 755px;
   }

   .menu {
      background: #fff;
      box-shadow: 0px 12px 27px -8px rgba(27, 30, 57, 0.1);
      position: fixed;
      left: 0;
      top: 0;
      z-index: 999;
      width: 100%;
   }

   .nav_li {
      display: flex;
      justify-content: center;
      align-items: center;
   }

   .nav_li>li>a {
      text-transform: uppercase;
      color: #000;
      font-size: 15px;
      letter-spacing: 1px;
      padding: 4px 0px;
      margin: 11px 13px;
      border-bottom: 2px solid transparent;
   }

   .nav_li>li>a::after {
      content: "";
      display: none;
      width: 30px;
      height: 3px;
      position: absolute;
      border-radius: 50px;
      left: 15px;
      bottom: -2px;
      background: #1677FF;
   }

   .menu li>a:hover:after {
      display: block;
   }


   #services-section, #works-section, #about-section, #about-active {
      width: 67.7vw;
      height: auto;
      padding: 0;
      margin: 0;
      min-width: 755px;
   }

   /* 多端直播 */
   .duo_live {
      min-width: 755px;
      width: 67.7vw;
   }

   .duo_live .duo_live_li {
      width: calc((67.7vw - 26px) / 2);
      min-width: 364px;
      position: relative;
      margin-top: 50px;
      cursor: pointer;
   }

   .duo_live_li:nth-child(1), .duo_live_li:nth-child(2) {
      margin-top: 0;
   }

   .duo_live .up_live_img {
      width: calc((67.7vw - 26px) / 2);
      height: calc((33.85vw - 13px) / 639 * 418);
      object-fit: cover;
      min-width: 364px;
      min-height: 239px;
   }



   .up_live_tit {
      font-size: 19px;
      font-family: Source Han Sans CN;
      font-weight: 500;
      color: #333333;
      margin-bottom: 19px;
   }

   .up_live_txt {
      font-size: 16px;
      font-family: Source Han Sans CN;
      color: #999999;
      text-align: left;
      overflow: hidden;
      text-overflow: ellipsis;
      display: -webkit-box;
      -webkit-box-orient: vertical;
      -webkit-line-clamp: 3;
      word-break: break-all;
   }

   .ma_img {
      display: none;
      position: absolute;
      width: calc((67.7vw - 26px) / 2);
      height: calc((33.85vw - 13px) / 639 * 418);
      min-width: 364px;
      min-height: 239px;
      left: 0;
      top: 0;
      justify-content: center;
      align-items: center;
      background: rgba(0, 0, 0, 0.5);
   }

   .ma_img img {
      width: 38%;
      object-fit: fill;
   }

   .duo_live_li:hover .ma_img {
      display: flex;
   }

   .duo_live_li:hover .live_dec {
      background: #1677FF;
   }

   .duo_live_li:hover .up_live_tit {
      color: #fff;
   }

   .duo_live_li:hover .up_live_txt {
      color: #fff;
   }

   /* 程序开发 67.7   65.625*/
   .works_section_wen {
      width: calc(67.7vw - 48.33vw - 40px);
      min-width: 151px;
      margin-right: 20px;
   }


   .work_txt {
      font-size: 16px;
   }

   .works_section_li {
      width: calc(48.33vw + 20px);
      min-width: 584px;
   }

   .page_guide_item_image {
      width: 24.16vw;
      height: 24.16vw;
      min-width: 283px;
      min-height: 283px;
   }

   .page_guide_item_image .img {
      width: 24.16vw;
      height: 24.16vw;
      min-width: 283px;
      min-height: 283px;
   }

   /* 视频制作 */
   .video_list {
      display: flex;
      flex-wrap: wrap;
      justify-content: flex-start;
      min-width: 755px;
   }

   .video_li {
      width: calc((67.7vw - 45px) / 4);
      margin-right: 15px;
      cursor: pointer;
      min-width: 177px;
      min-height: 170px;
   }

   .video_li:nth-child(4n) {
      margin-right: 0;
   }

   .bofang {
      width: 26px;
      height: 26px;
      position: absolute;
      left: 50%;
      top: -50%;
      margin-left: -13px;
      margin-top: -13px;
   }

   .video_meng {
      display: flex;
      justify-content: center;
      align-items: center;
      position: absolute;
      left: 0;
      top: 0;
      width: calc((67.7vw - 45px) / 4);
      height: calc((67.7vw - 45px) / 4 / 280 * 158);
      min-width: 177px;
      min-height: 101px;
      outline: 1px solid #fff;
      z-index: 66;
   }

   .video_img {
      width: calc((67.7vw - 45px) / 4);
      height: calc((67.7vw - 45px) / 4 / 280 * 158);
      min-width: 177px;
      min-height: 101px;
   }

   .video_tit {
      margin: 18px 0 29px;
      font-size: 17px;
      font-family: Source Han Sans CN;
      color: #333333;
   }

   .play_video_box {
      position: fixed;
      width: 100vw;
      height: 100vh;
      left: 0;
      top: 0;
      z-index: 99999999;
      display: none;
      justify-content: center;
      align-items: center;
      background: rgba(0, 0, 0, 0.5);
   }

   .video_con {
      position: relative;
      display: flex;
      justify-content: flex-start;
      align-items: center;
      height: 34.16vw;
      width: 61.45vw;
      background: #000;
   }

   .play_video {
      max-width: 42.6vw;
      max-height: 34.16vw;
      cursor: pointer;
      object-fit: fill;
   }

   .video_title {
      height: 34.16vw;
      width: 18.85vw;
      display: flex;
      justify-content: center;
      align-items: center;
      font-size: 18px;
      color: #333333;
      background: #fff;
   }

   .video_close {
      cursor: pointer;
      position: absolute;
      right: 23px;
      top: 23px;
      width: 18px;
      height: 18px;
      display: block;
      font-size: 18px;
      z-index: 999999;
      flex: 1;
      color: #999;
      font-weight: bold;
      font-size: x-large;
   }

   /* 活动执行 */
   .huo_dong {
      width: 67.7vw;
      min-width: 755px
   }

   .huo_box {
      width: calc(33.85vw - 8px);
      min-width: 369.5px;
   }

   .h_img {
      width: calc((33.85vw - 24px) / 2);
      min-width: calc((369.5px - 16px)/2);
   }
   .h_img_x {
      width: calc((33.85vw - 24px) / 2);
      min-width: calc((369.5px - 16px)/2);
   }

   .h_txt {
      width: calc(33.85vw - 8px);
      padding: 16px 18px;
      min-width: 369.5px;
      font-size: 14px;
      line-height: 25px;
   }



   /* 联系我们 */
   #dituContent {
      width: 67.7vw;
      height: 450px;
      border: #ccc solid 1px;
      display: inline-block;
      min-width: 755px;
   }

   .container {
      background-color: rgba(0, 0, 0, 0.60);
      color: white;
      width: 67.7vw;
      text-align: center;
      min-width: 755px;
   }

   .bottom_box {
      width: 100%;
      background: #F6F8F9;
      padding: 52px 0;
      display: flex;
      justify-content: center;
      align-items: center;
      width: 1072px;
   }

   .bottom_box_li {
      display: flex;
      justify-content: center;
      align-items: center;
      flex-direction: column;
      margin: 0 25px;
   }

   .img_box {
      width: 62px;
      height: 62px;
      display: flex;
      justify-content: center;
      align-items: center;
   }

   .bottom_img1 {
      width: 58px;
      height: 58px;
   }

   .bottom_img2 {
      width: 62px;
      height: 52px;
   }

   .bottom_img3 {
      width: 61px;
      height: 56px;
   }

   .bottom_t1 {
      font-size: 17px;
      color: #1677FF;
      margin: 17px 0 15px;
   }

   .bottom_t2 {
      font-size: 15px;
      color: #686E78;
   }

   .bottom_t3 {
      visibility: hidden;
   }

   .foot {
      line-height: 54px;
      height: 54px;
      display: flex;
      align-items: center;
      justify-content: center;
      padding-top: 2px;
      width: 1098px;
   }

   .foot a {
      color: #1677FF;
   }

   #beian a {
      color: #686E78;
   }
}

@media screen and (max-width: 450px) {
   .autoW {
      width: 1300px;
   }
}