body {
  background: #f5f5f5;
  position: relative;
}

.no_empty {
  font-size: 12px;
  color: #666;
  text-align: center;
  margin: 10px;
  display: none;
}

h2,
h1,
h3 {
  margin: 0;
  padding: 0;
}

.scale_img img {
  transition: all 0.5s;
}

.scale_img:hover img {
  transform: scale(1.1);
}

.box-du-two a img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.box-bd-detail div img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.box-top img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.defalut-img {
  height: 100%;
  background: rgba(230, 230, 230, 1) url("https://p2.img.cctvpic.com/photoAlbum/templet/common/DEPA1772690599574288/logo-2.png") no-repeat center;
  background-size: 45%;
  overflow: hidden;
}

.defalut-img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.box-du-right a {
  background: rgba(230, 230, 230, 1) url("https://p2.img.cctvpic.com/photoAlbum/templet/common/DEPA1772690599574288/logo-2.png") no-repeat center;
  background-size: 45%;
}

img[src=""] {
  opacity: 0;
}

.bg {
  /* background: rgba(26, 98, 239, 1); */
}

.bg img {
  width: 100%;
}

.box-top .box-top-text {
  position: absolute;
  height: 100%;
  width: 100%;
  top: 0;
  left: 0;
  padding: 0 40px;
  background: linear-gradient(180deg, rgba(0, 0, 0, 0) 0%, rgba(0, 0, 0, 0.4) 100%);
  color: #fff;
}

.box-top h1 {
  white-space: nowrap;
  /* 防止文本换行 */
  overflow: hidden;
  /* 隐藏溢出的文本 */
  text-overflow: ellipsis;
  /* 显示省略号来表示溢出的内容 */
}

.box-top h2 {
  font-weight: 400;
  line-height: 2;
  white-space: nowrap;
  /* 防止文本换行 */
  overflow: hidden;
  /* 隐藏溢出的文本 */
  text-overflow: ellipsis;
  /* 显示省略号来表示溢出的内容 */
}

.box-top div {
  width: 100%;
  height: 100%;
}

.box-h2 {
  width: 100%;
  line-height: 0;
  border-bottom: 1px solid #000;
  margin-bottom: 20px;
}

.box-du-left p {
  display: -webkit-box;
  -webkit-line-clamp: 5;
  /* 限制显示的行数为2 */
  -webkit-box-orient: vertical;
  overflow: hidden;
  text-align: justify
}

.box-du-right a img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.box-du-right a img.play {
  position: absolute;
  width: 40px;
  height: 40px;
  left: 50%;
  top: 50%;
  transform: translate(-50%, -50%);
}

@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;
  }

  .header {
    display: none;
  }

  .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;
  }

  .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;
  }

  .content {
    width: calc(100% - 20px);
    margin: 10px;
    background-color: #fff;
    margin-bottom: 30px;
  }

  .bg {
    position: absolute;
    width: 100%;
    height: calc(100% - 0.88rem);
    left: 0;
    z-index: -1;
    top: 0.88rem;
  }

  .bg img {
    display: none;
  }

  .box-top h1 {
    font-size: 20px;
    margin-top: 1.5rem;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    /* 限制显示的行数为2 */
    -webkit-box-orient: vertical;
    overflow: hidden;
    white-space: pre-wrap;
  }

  .box-top h2 {
    font-size: 14px;
  }

  .box-top {
    height: 3.2rem;
    position: relative;
  }

  .box-top .box-top-text {
    padding: 0 0.29rem;
  }

  .box-h2 img {
    height: 0.6rem;
    margin-bottom: 10px;
  }

  .box-du-left p {
    font-size: 0.3rem;
    line-height: 2;
  }

  .box-du,
  .box-bd,
  .box-du-two {
    padding: 20px 15px 0;
  }

  .box-h2 {
    margin-bottom: 0.4rem;
  }

  .box-du-left {
    margin-bottom: 20px;
  }

  .box-du-right a {
    display: block;
    position: relative;
    height: 3.6rem;
    margin-bottom: 0.32rem;
    border-radius: 8px;
    overflow: hidden;
  }

  .box-du-two p {
    font-size: 0.3rem;
    line-height: 2;
    text-align: justify;
  }

  .box-du-two a,
  .box-du-two div {
    display: block;
    width: 100%;
    height: 3.6rem;
    margin: 20px 0;
    border-radius: 8px;
    overflow: hidden;
  }

  .box-bd-detail {
    display: block;
    overflow: hidden;
    position: relative;
    margin-bottom: 0.4rem;
  }

  .box-bd {
    padding-bottom: 0.3rem;
  }

  .box-bd-detail div {
    height: 4rem;
    overflow: hidden;
    border-radius: 8px;
  }

  .box-bd-detail h1 {
    font-size: 0.32rem;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    /* 限制显示的行数为2 */
    -webkit-box-orient: vertical;
    overflow: hidden;
    margin: 12px 0;
  }

  .box-bd-detail h2 {
    font-size: 0.28rem;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    /* 限制显示的行数为2 */
    -webkit-box-orient: vertical;
    overflow: hidden;
    color: #6A6A6A;
    font-weight: normal;
  }
}

@media screen and (min-width: 1025px) {
  .headerM {
    display: none;
  }

  .nav {
    display: none;
  }

  .common_footer {
    display: none;
  }

  body {
    font-size: 14px;
  }

  .header {
    width: 100%;
    min-width: 1200px;
    height: 60px;
    background: #333333;
    margin-bottom: 48px;
    display: block;
  }

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

  .header_logo {
    width: 180px;
    height: 75px;
  }

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

  /* 背景 */
  .bg {
    position: absolute;
    width: 100%;
    height: 100%;
    left: 0;
    z-index: -1;
    top: 60px;
    height: calc(100% - 350px);
    overflow: hidden;
  }

  .content {
    width: 1188px;
    margin: 0 auto;
    border: 6px solid #C1D0EB;
    background-color: #fff;
    margin-bottom: 100px;
  }

  .box-top {
    height: 240px;
    position: relative;
  }

  .box-top h1 {
    font-size: 40px;
    margin-top: 120px;
  }

  .box-top h2 {
    font-size: 22px;
  }

  /* 专家导读 */
  .box-du {
    display: flex;
    justify-content: space-between;
    padding: 36px 36px 0;
  }

  .box-du-left {
    width: 440px;
  }



  .box-h2 img {
    height: 30px;
    margin-bottom: 10px;
  }

  .box-du-left p {
    font-size: 18px;
  }

  .box-du-right {
    width: 631px;
    display: flex;
    flex-wrap: wrap;
    justify-content: space-between;
  }

  .box-du-right a {
    width: 48%;
    height: 172px;
    border-radius: 6px;
    overflow: hidden;
    position: relative;
  }

  .box-du-two {
    display: flex;
    flex-wrap: wrap;
    justify-content: space-between;
    padding: 36px 36px 0;
  }

  .box-du-two p {
    width: 760px;
    display: -webkit-box;
    -webkit-line-clamp: 6;
    /* 限制显示的行数为2 */
    -webkit-box-orient: vertical;
    overflow: hidden;
    font-size: 18px;
    text-align: justify;
    line-height: 1.5;
  }

  .box-du-two a,
  .box-du-two div {
    width: 320px;
    height: 180px;
    border-radius: 8px;
    overflow: hidden;
  }

  .box-bd {
    display: flex;
    flex-wrap: wrap;
    gap: 22px;
    /* justify-content: space-between; */
    padding: 40px 36px;
  }

  .box-bd .box-h2 {
    margin-bottom: 0;
  }

  .box-bd-detail {
    width: 353px;
    overflow: hidden;
  }

  .box-bd-detail div {
    height: 200px;
  }

  .box-bd-detail h1 {
    font-size: 16px;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    /* 限制显示的行数为2 */
    -webkit-box-orient: vertical;
    overflow: hidden;
    margin: 12px 0;
  }

  .box-bd-detail h1:hover {
    color: #1A62EF;
  }

  .box-bd-detail h2 {
    font-size: 14px;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    /* 限制显示的行数为2 */
    -webkit-box-orient: vertical;
    overflow: hidden;
    color: #6A6A6A;
    font-weight: normal;
  }
}