body {
  background: #f5f5f5;
}
@media screen and (max-width: 1024px) {
  html,
  body {
    margin: 0;
    padding: 0;
    font-size: 50px;
    min-width: 320px;
    margin: 0 auto;
    max-width: 750px;
  }
  .header {
    display: none;
  }
  .option_nrdt {
    display: none;
  }
  /* 导航 */
  .headerM {
    width: 100%;
    height: 0.88rem;
    background: #222222;
    padding: 0 0.28rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
  }

  .headerLeft {
    height: 100%;
    display: flex;
  }

  .headerM_logo {
    width: 1.9rem;
    height: 100%;
    background: #bf0614;
    margin-right: 0.2rem;
    display: flex;
    justify-content: center;
    align-items: center;
  }

  .headerM_logo img {
    width: 1.52rem;
  }

  .headerLeft span {
    font-size: 0.36rem;
    font-family: PingFangSC-Medium, PingFang SC;
    font-weight: 500;
    color: #ffffff;
    line-height: 0.88rem;
  }

  .headerRight {
    width: 0.4rem;
    height: 0.4rem;
  }

  .headerRight img {
    width: 100%;
    display: block;
  }
  /* 目录 */
  .nav {
    width: 100%;
    height: 0.88rem;
    padding: 0 0.28rem;
    display: flex;
    align-items: center;
    background: #ffffff;
  }
  .nav_item {
    font-weight: 500;
    font-size: 0.32rem;
    margin-right: 0.72rem;
  }
  .nav_item:last-child {
    margin-right: 0;
  }
  .nav_active {
    color: #bf0614;
  }
  .con_box {
    width: 100%;
    padding: 0 0.3rem;
  }
  .con_swiper {
    width: 100%;
    height: 4rem;
    overflow: hidden;
    position: relative;
  }
  .con_swiper .swiper-slide {
    width: 100%;
    height: 100%;
  }
  .con_swiper img {
    width: 100%;
    height: 100%;
    object-fit: cover;
  }
  .con_cover {
    position: absolute;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    padding: 2.68rem 0.24rem 0;
    background: linear-gradient(
      180deg,
      rgba(0, 0, 0, 0) 44.69%,
      rgba(0, 0, 0, 0.66) 100%
    );
  }
  .con_cover p {
    width: 100%;
    height: 0.88rem;
    font-weight: 500;
    font-size: 0.32rem;
    line-height: 0.44rem;
    color: #fff;
    display: -webkit-box;
    -webkit-box-orient: vertical;
    -webkit-line-clamp: 2;
    overflow: hidden;
  }
  .con_cover h1 {
    display: none;
    font-weight: 400;
    font-size: 0.24rem;
    color: #a1a1a1;
    margin-top: 0.2rem;
  }
  .scrollbar_2ed {
    height: 0.04rem;
    position: absolute;
    left: 0;
    bottom: 0.24rem !important;
    z-index: 100;
    padding: 0 0.24rem;
    display: flex;
    justify-content: space-between;
  }
  .scrollbar_item {
    width: 2.04rem;
    height: 100%;
    background: #ffffff66;
  }
  .scrollbar_item_active {
    background: #fff;
  }
  .con_list {
    width: 100%;
    padding: 0.4rem 0.24rem;
    background: #fff;
    margin-top: 0.2rem;
  }
  .con_item {
    width: 100%;
    height: 0.44rem;
    padding-left: 0.24rem;
    font-weight: 400;
    font-size: 0.28rem;
    line-height: 0.44rem;
    overflow: hidden;
    white-space: nowrap;
    text-overflow: ellipsis;
    margin-bottom: 0.34rem;
    position: relative;
    display: block;
  }
  .con_item:last-child {
    margin-bottom: 0;
  }
  .con_item:before {
    content: "";
    display: block;
    width: 0.1rem;
    height: 0.1rem;
    background: #d63435;
    position: absolute;
    left: 0.03rem;
    top: 0.16rem;
  }

  .wcb_box {
    width: 100%;
    padding: 0.36rem 0.3rem 0.3rem;
    margin-top: 0.6rem;
    background: #ffffff;
  }
  .wcb_top {
    width: 100%;
  }
  .wcb_tabs {
    width: 100%;
    height: 0.4rem;
    display: flex;
    justify-content: center;
  }
  .wcb_tab {
    font-size: 0.3rem;
    margin-right: 0.52rem;
    cursor: pointer;
  }
  .wcb_tab:last-child {
    margin-right: 0;
  }
  .wcb_tab_active {
    color: #c01e13;
  }
  .wcb_search {
    width: 100%;
    height: 0.88rem;
    border-radius: 0.44rem;
    padding: 0 0.44rem 0 1rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
    background: #f7f7f7;
    margin-top: 0.34rem;
    position: relative;
  }
  .wcb_search:after {
    content: "";
    display: block;
    position: absolute;
    left: 0.4rem;
    top: 0.24rem;
    width: 0.4rem;
    height: 0.4rem;
    background-image: url("./image/icon_search.png");
    background-size: 100%;
  }
  .wcb_search input {
    width: 80%;
    height: 100%;
    outline: none;
    border: none;
    font-size: 0.32rem;
    background: #f7f7f7;
  }
  .wcb_search span {
    font-size: 0.32rem;
    color: #c01e13;
    cursor: pointer;
  }
  .clear-btn {
    position: absolute;
    height: 0.7rem;
    right: 1.2rem;
    width: 0.6rem;
    background-size: 0.3rem;
    background-repeat: no-repeat;
    background-position: center;
    background-image: url("//p4.img.cctvpic.com/photoAlbum/templet/common/DEPA1752741105517665/icon_x.png");
    background-color: transparent;
    display: none;
  }

  .select_list {
    width: 6.8rem;
    max-height: 8.24rem;
    overflow: auto;
    background: rgba(255, 255, 255, 0.95);
    box-shadow: 0px 0.08rem 0.24rem 0px rgba(0, 0, 0, 0.08);
    border-radius: 0.16rem;
    position: absolute;
    left: 0;
    top: 1rem;
    display: none;
  }
  .select_item {
    width: 100%;
    height: 0.72rem;
    font-weight: 400;
    font-size: 0.28rem;
    color: #000;
    padding: 0 0.7rem;
    line-height: 0.72rem;
    display: block;
    text-decoration: none;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
  }
  .select_item:hover {
    background: #f5f5f5;
  }
  .select_empty {
    height: 36px;
    display: flex;
    justify-content: center;
    align-items: center;
    color: #666;
    font-size: 14px;
  }
  .wcb_list {
    width: 100%;
    margin-top: 0.4rem;
  }
  .wcb_item {
    width: 100%;
    height: 1.5rem;
    display: flex;
    justify-content: space-between;
    margin-bottom: 0.4rem;
  }
  .wcb_item_left {
    width: 4.6rem;
    height: 100%;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
  }
  .wcb_item_top {
    width: 100%;
    height: 0.88rem;
    font-weight: 400;
    font-size: 0.28rem;
    line-height: 0.44rem;
    color: #000000;
    display: -webkit-box;
    -webkit-box-orient: vertical;
    -webkit-line-clamp: 2;
    overflow: hidden;
  }
  .wcb_item_bottom {
    width: 100%;
    font-weight: 400;
    font-size: 0.24rem;
    color: #999999;
    overflow: hidden;
    white-space: nowrap;
    text-overflow: ellipsis;
  }
  .wcb_item_right {
    width: 2rem;
    height: 100%;
    background: #f5f5f5
      url("https://p2.img.cctvpic.com/photoAlbum/templet/common/DEPA1674975020722807/logo5.jpg")
      center/70% no-repeat;
  }
  .wcb_item_right img {
    width: 100%;
    height: 100%;
    object-fit: cover;
  }
  .wcb_change {
    width: 100%;
    height: 0.88rem;
    display: flex;
    justify-content: center;
    align-items: center;
    cursor: pointer;
    border-top: 1px solid #eeeeee;
  }
  .wcb_change img {
    width: 0.24rem;
    height: 0.24rem;
  }
  .wcb_change span {
    font-weight: 400;
    font-size: 0.28rem;
    color: #666666;
    margin-left: 0.1rem;
  }
  .common_footer {
    width: 100%;
    background-color: #444444;
    height: auto !important;
  }
  .common_footer .link {
    padding: 0.4rem 0 0.38rem;
    color: #ffffff;
    font-size: 0.28rem;
    line-height: 0.28rem;
    text-align: center;
  }

  .common_footer .link a {
    color: #ffffff;
    padding: 0 0.2rem;
  }
  .common_footer p {
    color: #ffffff;
    font-size: 0.22rem;
    line-height: 0.24rem;
    text-align: center;
    padding-bottom: 0.38rem;
  }
  .common_footer p span {
    padding: 0 0.16rem;
  }

  .wcb_more {
    width: 100%;
    height: 0.88rem;
    display: flex;
    justify-content: center;
    align-items: center;
    cursor: pointer;
    border-top: 1px solid #eeeeee;
    font-weight: 400;
    font-size: 0.28rem;
    color: #666666;
    margin-left: 0.1rem;
    display: none;
  }
  .wcb_empty {
    display: none;
  }

  .wcb_empty h1 {
    font-size: 0.32rem;
    font-weight: 500;
    height: 2rem;
    line-height: 2rem;
    text-align: center;
  }

  .wcb_empty h2 {
    width: 6rem;
    font-size: 0.28rem;
    font-weight: 400;
    margin: 0 auto;
    color: #666666;
    line-height: 0.4rem;
  }

  .wcb_empty ul {
    width: 5.2rem;
    font-size: 0.28rem;
    font-weight: 400;
    margin: 0 auto;
    color: #666666;
    line-height: 0.4rem;
  }

  .wcb_empty li {
    display: list-item;
  }
}

@media screen and (min-width: 1025px) {
  /* header */
  .headerM {
    display: none;
  }
  .nav {
    display: none;
  }
  .header {
    width: 100%;
    min-width: 1200px;
    height: 60px;
    background: #333333;
    margin-bottom: 48px;
  }

  .header_content {
    width: 1200px;
    height: 100%;
    margin: 0 auto;
    display: flex;
  }

  .header_logo {
    width: 195px;
    height: 86px;
  }

  .header_logo img {
    display: block;
    width: 100%;
    height: 100%;
  }

  .header_list {
    width: 980px;
    height: 60px;
    display: flex;
    justify-content: space-between;
    font-size: 16px;
    font-family: PingFangSC-Medium, PingFang SC;
    font-weight: 500;
    color: #ffffff;
    padding-left: 44px;
    padding-right: 28px;
    flex: 1;
  }

  .header_left {
    height: 100%;
    display: flex;
    align-items: center;
  }

  .header_right {
    display: flex;
    height: 100%;
    line-height: 60px;
  }
  .header_menu {
    padding-right: 20px;
    cursor: pointer;
    background-image: url("https://p4.img.cctvpic.com/photoAlbum/templet/common/DEPA1752741105517665/icon_down.png");
    background-size: 10px;
    background-repeat: no-repeat;
    background-position: 80px center;
    position: relative;
  }
  .header_menu_list {
    width: 140px;
    height: 100px;
    background: #ffffff;
    position: absolute;
    left: 50%;
    top: 100%;
    transform: translateX(-50%);
    padding: 18px 20px;
    flex-direction: column;
    justify-content: space-between;
    display: none;
  }
  .header_menu_item {
    padding-left: 12px;
    color: #000000;
    position: relative;
    cursor: pointer;
  }
  .header_menu_item:hover {
    color: #c01e13;
  }
  .header_menu_item:before {
    content: "";
    position: absolute;
    left: 0;
    top: 50%;
    transform: translateY(-50%);
    width: 4px;
    height: 4px;
    background: #c01e13;
  }

  .header_tab,
  .header_menu {
    height: 100%;
    color: #ffffff;
    margin-right: 50px;
    text-decoration: none;
    display: flex;
    align-items: center;
  }

  .header_tab:hover,
  .header_menu:hover {
    color: #c01e13;
  }
  .header_menu:hover .header_menu_list {
    display: flex;
    z-index: 10;
  }

  .header_menu:hover {
    background-image: url("https://p4.img.cctvpic.com/photoAlbum/templet/common/DEPA1752741105517665/icon_down_active.png");
  }

  .header_list .header_tab:last-child {
    margin-right: 0;
  }

  .header_active {
    color: #c01e13;
  }

  .option_nrdt {
    width: 1200px;
    height: 250px;
    margin: 0 auto;
    display: flex;
    justify-content: space-between;
  }

  /* 第一部分 */
  .con_box {
    display: none;
  }
  .nrdt_left {
    width: 780px;
    height: 100%;
    background: #ffffff;
    display: flex;
    justify-content: space-between;
    padding: 16px 27px;
  }
  .nrdt_left_item {
    width: 225px;
    height: 217px;
  }
  .nrdt_left_item_img {
    width: 100%;
    height: 130px;
    overflow: hidden;
    background: #f5f5f5
      url("https://p2.img.cctvpic.com/photoAlbum/templet/common/DEPA1674975020722807/logo5.jpg")
      center/50% no-repeat;
  }
  .nrdt_left_item_img img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: all 0.5s;
  }
  .nrdt_left_item_img:hover img {
    transform: scale(1.1);
  }
  .nrdt_left_item h1 {
    width: 100%;
    height: 40px;
    font-weight: 400;
    font-size: 14px;
    color: #000000;
    display: -webkit-box;
    -webkit-box-orient: vertical;
    -webkit-line-clamp: 2;
    overflow: hidden;
    margin-top: 10px;
  }
  .nrdt_left_item:hover h1 {
    font-weight: 600;
    color: #c01e13;
  }
  .nrdt_left_item h2 {
    font-weight: 400;
    font-size: 12px;
    color: #a1a1a1;
    margin-top: 20px;
  }
  .nrdt_right {
    width: 395px;
    height: 100%;
    background: #ffffff;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    padding: 23px 20px;
  }
  .nrdt_right_item {
    font-weight: 400;
    font-size: 14px;
    overflow: hidden;
    white-space: nowrap;
    text-overflow: ellipsis;
    color: #000000;
    padding-left: 13px;
    position: relative;
    cursor: pointer;
  }
  .nrdt_right_item:hover {
    font-weight: 600;
    color: #c01e13;
  }
  .nrdt_right_item:before {
    content: "";
    position: absolute;
    left: 0;
    top: 50%;
    transform: translateY(-50%);
    width: 5px;
    height: 5px;
    background: #c01e13;
  }

  /* 第二部分 */
  .wcb_box {
    width: 1200px;
    margin: 20px auto;
    padding: 22px 25px;
    background: #ffffff;
  }
  .wcb_top {
    width: 100%;
    height: 36px;
    display: flex;
  }
  .wcb_tabs {
    width: 148px;
    height: 100%;
    border-radius: 4px;
    border: 2px solid #f4f4f4;
    background: #f4f4f4;
    display: flex;
  }
  .wcb_tab {
    width: 72px;
    height: 100%;
    font-weight: 500;
    font-size: 14px;
    border-radius: 2px;
    display: flex;
    justify-content: center;
    align-items: center;
    cursor: pointer;
  }
  .wcb_tab_active {
    background: #ffffff;
    color: #c01e13;
  }
  .wcb_search {
    width: 320px;
    height: 100%;
    border-radius: 4px;
    border: 1px solid #ebebeb;
    margin-left: 8px;
    padding: 0 14px 0 10px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    position: relative;
  }

  .wcb_search input {
    width: 80%;
    height: 100%;
    outline: none;
    border: none;
    font-size: 14px;
  }
  .wcb_search span {
    font-size: 14px;
    color: #c01e13;
    cursor: pointer;
  }
  .clear-btn {
    position: absolute;
    top: 0;
    right: 45px;
    width: 30px;
    height: 34px;
    background-size: 18px;
    background-repeat: no-repeat;
    background-position: center;
    background-image: url("https://p4.img.cctvpic.com/photoAlbum/templet/common/DEPA1752741105517665/close.png");
    background-color: transparent;
    cursor: pointer;
    display: none;
  }
  .select_list {
    width: 100%;
    max-height: 412px;
    overflow: auto;
    background: rgba(255, 255, 255, 1);
    box-shadow: 0px 4px 12px 0px rgba(0, 0, 0, 0.08);
    border-radius: 8px;
    position: absolute;
    left: 0;
    top: 40px;
    display: none;
  }
  .select_item {
    width: 100%;
    height: 36px;
    font-weight: 400;
    font-size: 14px;
    color: #000;
    padding: 0 18px;
    line-height: 36px;
    display: block;
    text-decoration: none;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
  }
  .select_item:hover {
    background: #f5f5f5;
  }
  .select_empty {
    height: 36px;
    display: flex;
    justify-content: center;
    align-items: center;
    color: #666;
    font-size: 14px;
  }
  .wcb_list {
    width: 100%;
    margin-top: 15px;
    display: grid;
    gap: 24px 35px;
    grid-template-columns: 1fr 1fr 1fr;
  }
  .wcb_item {
    width: 360px;
    height: 75px;
    display: flex;
    justify-content: space-between;
  }
  .wcb_item_left {
    width: 240px;
    height: 100%;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
  }
  .wcb_item_top {
    width: 100%;
    height: 44px;
    font-weight: 400;
    font-size: 14px;
    line-height: 22px;
    color: #000000;
    display: -webkit-box;
    -webkit-box-orient: vertical;
    -webkit-line-clamp: 2;
    overflow: hidden;
  }
  .wcb_item_bottom {
    width: 100%;
    font-weight: 400;
    font-size: 12px;
    color: #999999;
    overflow: hidden;
    white-space: nowrap;
    text-overflow: ellipsis;
  }
  .wcb_item_right {
    width: 100px;
    height: 100%;
    background: #f5f5f5
      url("https://p2.img.cctvpic.com/photoAlbum/templet/common/DEPA1674975020722807/logo5.jpg")
      center/70% no-repeat;
  }
  .wcb_item_right img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
  }
  .wcb_item_top:hover {
    color: #c01e13;
  }
  .wcb_item_bottom:hover {
    color: #c01e13;
  }
  .wcb_change {
    width: 100%;
    height: 24px;
    display: flex;
    justify-content: center;
    align-items: center;
    margin-top: 30px;
    cursor: pointer;
  }
  .wcb_change img {
    width: 10px;
    height: 10px;
  }
  .wcb_change span {
    font-weight: 400;
    font-size: 12px;
    color: #666666;
    margin-left: 5px;
  }
  .common_footer {
    display: none;
  }
  .wcb_more {
    width: 100%;
    height: 24px;
    display: flex;
    justify-content: center;
    align-items: center;
    margin-top: 30px;
    cursor: pointer;
    font-weight: 400;
    font-size: 12px;
    color: #666666;
    display: none;
  }
  .wcb_empty {
    display: none;
  }
  .wcb_empty h1 {
    font-size: 16px;
    font-weight: 500;
    height: 100px;
    line-height: 100px;
    text-align: center;
  }
  .wcb_empty h2 {
    width: 300px;
    font-size: 14px;
    font-weight: 400;
    margin: 0 auto;
    color: #666666;
    line-height: 20px;
  }
  .wcb_empty ul {
    width: 260px;
    font-size: 14px;
    font-weight: 400;
    margin: 0 auto;
    color: #666666;
    line-height: 20px;
  }
  .wcb_empty li {
    display: list-item;
  }
}