.footer {
 margin-top: 260px !important;
}

.banner-imgs-warp {
  margin-top: 86px;
  position: relative;
  width: 100%;
  height: 470px;
  overflow: hidden;
}
.banner-imgs-warp img {
  width: 100% !important;
  max-width: none !important;
  min-width: 0 !important;
  height: 470px !important;
  object-fit: cover !important;
  object-position: center !important;
  display: block !important;
  margin: 0 auto !important;
  box-sizing: border-box !important;
}
.banner-text {
  position: absolute;
  top: 41.28%; /* 194/470 ≈ 41.28% */
  left: 16%; /* 307/1920 ≈ 16% */
  width: 35.94%; /* 690/1920 ≈ 35.94% */
  height: 9.57%; /* 45/470 ≈ 9.57% */
  transform: none;
  transition: 1s;
}

.banner-text span {
  font-size: 2.5vw; /* 响应式字体大小，基于视窗宽度 */
  font-family: SourceHanSansSC-Light;
  font-weight: 500;
  color: #F2F2F2;
  text-align: left;
  display: flex;
  align-items: center;
  width: 100%;
  height: 100%;
  line-height: 1.2;
  letter-spacing: 0;
}

.b1 {
  position: sticky;
  top: 80px;
  z-index: 100;
  display: flex;
  justify-content: center;
  width: 100%;
  height: 75px;
  background: rgb(4, 84, 215);
  align-items: center;
}
.b1 a {
  width: 244px;
  font-size: 24px;
  font-family: SourceHanSansCN;
  font-weight: 400;
  color: #ffffff;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
}

.b1 .active {
  background-color: #3677e1;
}

.b1 a:last-child {
  margin-right: 0;
}

.content-title {
  width: 100%;
  display: flex;
  justify-content: center;
  margin: 77px 0 40px 0;
}

.content-title span {
  width: 145px;
  height: 34px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 36px;
  font-family: SourceHanSansCN;
  font-weight: 500;
  color: #333333;
  text-align: center;
}

.scenario-section {
  width: 100%;
  display: flex;
  justify-content: center;
  margin-top: 88px;
  margin-bottom: 60px;
  gap: 40px;
}

.scenario-item {
  position: relative;
  display: flex;
  flex-direction: column;
  align-items: center;
}

.scenario-item.back4 {
  width: 180px;
  margin-left: 10px;
  margin-right: 10px;
}
.scenario-item.back4 .scenario-bg {
  overflow: visible;
}

.scenario-bg {
  width: 149px;
  height: 49px;
  overflow: hidden;
  border-radius: 8px;
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
}

.scenario-bg img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

.scenario-bg img[src*="back4.png"] {
  object-fit: contain;
  width: 135%;
  height: 100%;
  margin-left: -17.5%;
  max-height: 49px;
}

.scenario-text {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 97px;
  height: 26px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 24px;
  font-family: SourceHanSansSC-Normal;
  font-weight: 400;
  color: #000000;
  text-align: center;
  z-index: 2;
  white-space: nowrap;
  /* 去除阴影 */
}

/* .scenario-item.back4 .scenario-text {
  left: 54%;
  transform: translate(-54%, -50%);
} */

.scenario-item-gdbh .scenario-text {
  left: 51%;
  transform: translate(-50%, -50%);
}
.scenario-item-bdnsgl .scenario-text {
  left: 46%;
  transform: translate(-55.5%, -50%);
}
.scenario-item-gbznt .scenario-text {
  left: 47%;
  transform: translate(-52.5%, -50%);
}
.scenario-item-nyshz .scenario-text {
  left: 45%;
  transform: translate(-51.5%, -50%);
}
.scenario-item-szxc .scenario-text {
  left: 51%;
  transform: translate(-50%, -50%);
}

.subtitle-section {
  width: 100%;
  display: flex;
  justify-content: center;
  margin-top: 87px;
  margin-bottom: 60px;
}

.subtitle-section p {
  max-width: 1400px;
  font-size: 20px;
  font-family: SourceHanSansSC-Light;
  font-weight: 400;
  color: #666666;
  line-height: 1.8;
  text-align: left;
  margin: 0;
  padding: 0 20px;
}

.content-module {
  width: 1440px;
  height: 387px;
  margin: 111px auto 0;
  display: flex;
  background: #fff;
  border-radius: 8px;
  box-shadow: 0 2px 10px rgba(0,0,0,0.1);
  position: relative;
}

.content-logo-fixed {
  position: static;
  width: 25px;
  height: 29px;
  margin-right: 16px;
}
.content-logo-fixed img {
  width: 100%;
  height: 100%;
  object-fit: contain;
}

.content-text {
  width: 719px;
  height: 387px;
  padding: 40px 0 40px 88px;
  box-sizing: border-box;
  display: flex;
  flex-direction: column;
  justify-content: center;
  position: relative;
}

.content-title-block {
  position: absolute;
  left: 45px;
  top: 53px;
  display: flex;
  flex-direction: column;
  align-items: flex-start;
}

.content-title-row {
  display: flex;
  align-items: center;
  position: absolute;
  left: 45px;
  top: 53px;
  z-index: 3;
}

.content-logo {
  width: 25px;
  height: 29px;
  object-fit: contain;
  margin: 0;
  position: static;
  z-index: 2;
}

.content-title-text {
  font-size: 26px;
  font-family: 'Source Han Sans SC', 'SourceHanSansSC-Normal', sans-serif;
  font-weight: 500;
  color: #126CFF;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  line-height: 29px;
}

.content-desc {
  margin-top: 20px;
  margin-left: 41px;
  width: 580px;
  height: 139px;
  font-family: 'Source Han Sans SC', 'SourceHanSansSC-Light', sans-serif;
  font-size: 20px;
  color: #333;
  line-height: 2.1;
}

.content-desc-db {
  width: 580px;
  height: 139px;
  font-family: 'Source Han Sans SC', 'SourceHanSansSC-Light', sans-serif;
  text-align: justify;
  font-size: 20px;
  line-height: 40px;
  color: #444444;
  margin: -48px 0 0 0;
  font-weight: 350;
}

.content-image {
  width: 721px;
  height: 387px;
  overflow: hidden;
  border-radius: 0 8px 8px 0;
}

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

.content-image-db {
  width: 721px;
  height: 387px;
  overflow: hidden;
  border-radius: 0 8px 8px 0;
  display: flex;
  align-items: center;
  justify-content: center;
}
.content-image-db img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.b2 {
  width: 900px;
  margin: 64px auto 88px;
  display: grid;
  grid-template-columns: 1fr 1fr;
  grid-column-gap: 147px;
  grid-row-gap: 126px;
  justify-content: center;
}
.b2-nei {
  width: 646px;
  height: 469px;
}
.b2-img {
  width: 646px;
  height: 281px;
  overflow: hidden;
}
.b2-img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}
.b2-text {
  height: 188px;
  width: 100%;
  background: #eee;
  overflow: hidden;
  display: flex;
  flex-direction: column;
  justify-content: flex-start;
  padding: 32px 0 0;
  box-sizing: border-box;
}
.b2-text p {
  width: calc(100% - 65px);
  font-size: 18px;
  font-family: SourceHanSansCN;
  font-weight: 500;
  color: #000000;
  line-height: 27px;
  margin: 0 32px 0 33px;
  /* 限制标题最多显示2行 */
  display: -webkit-box;
  line-clamp: 2;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
  text-overflow: ellipsis;
  flex: 1;
}
.b2-text .hui {
  font-size: 18px;
  font-family: PingFang;
  font-weight: 300;
  color: #b5b5b5;
  margin: 0 32px 0 33px;
  margin-top: 39px;
  margin-bottom: 15px;
  /* 确保时间文本不会超出容器 */
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  flex-shrink: 0;
}
.b3 {
  width: 100%;
  height: 31px;
  display: flex;
  justify-content: center;
  margin-bottom: 44px;
}
.b3-1 {
  width: auto;
  height: 100%;
  display: flex;
  margin-right: 90px;
}
.b3-1 a {
  width: 50px;
  height: 31px;
  text-align: center;
  line-height: 31px;

  font-size: 24px;
  font-family: PingFang;
  font-weight: 300;
  color: #9c9999;
  transition: 0.6s;
}
.b3-1 .on {
  color: #0454d7;
}
.b3-2 {
  display: flex;
  margin-right: 62px;
}
.b3-2 p {
  font-size: 18px;
  font-family: SourceHanSansCN;
  font-weight: 300;
  color: #9c9999;
  line-height: 31px;
}
.b3-2 input {
  width: 40px;
  height: 29px;
}
.b3-2 a {
  font-size: 18px;
  font-family: SourceHanSansCN;
  font-weight: 300;
  color: #0454d7;
  line-height: 31px;
  margin-left: 35px;
}
.b3-1 a:hover {
  color: #0454d7;
}
.b3-3>input {
  width: 170px;
  height: 29px;
  text-indent: 10px;
}
.b3-3 {
  display: flex;
  margin: 2px 2px 2px 10px;
  position: relative;
}
.b3-3 a {
  width: 47px;
  height: 33px;
  display: block;
  background: black;
  text-align: center;
  line-height: 36px;
  position: relative;
}
.b3-3 a img {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
}
.b3-3 a input{
  border: none;
  width: 40px;
  height: 30px;
  outline: none;
  background: black;
}
.b4 {
  width: 100%;
  height: 31px;
  display: flex;
  justify-content: center;
  margin-bottom: 73px;
}
.b4 a {
  display: block;
  width: 93px;
  height: 29px;
  text-align: center;
  line-height: 31px;
  border: 1px solid #9c9999;

  font-size: 18px;
  font-family: SourceHanSansCN;
  font-weight: 300;
  color: #9c9999;
  margin-right: 22px;
  transition: 0.6s;
}
.b4 .wu {
  color: #0454d7;
  border: 0px;
}
.b4 a:hover {
  color: #0454d7;
  border: 1px solid #0454d7;
}

.content-detail-bg-wrap {
  position: absolute;
  left: 87px;
  top: 285px;
  width: 146px;
  height: 41px;
}
.content-detail-bg {
  width: 146px;
  height: 41px;
  display: block;
  position: absolute;
  left: 0;
  top: 0;
  z-index: 1;
}
.content-detail-btn {
  position: absolute;
  left: 0;
  top: 0;
  width: 146px;
  height: 41px;
  background: transparent !important;
  color: #fff !important;
  font-size: 20px;
  font-family: 'Source Han Sans SC', 'SourceHanSansSC-Normal', sans-serif;
  font-weight: 500;
  border: none;
  cursor: pointer;
  z-index: 2;
  text-align: center;
  line-height: 41px;
  transition: color 0.2s;
  text-indent: 0 !important;
  opacity: 1 !important;
  overflow: visible !important;
}
.content-detail-btn:hover {
  color: #004aad;
}

.detail-img-modal {
  position: fixed;
  left: 0; top: 0; right: 0; bottom: 0;
  background: rgba(0,0,0,0.5);
  z-index: 9999;
  display: flex;
  align-items: flex-start;
  justify-content: center;
  overflow: auto;
  overscroll-behavior: contain;
  padding-top: 80px; /* 添加顶部内边距，确保图片不被顶部导航栏遮挡 */
}
body.modal-open {
  overflow: hidden !important;
}
.detail-img-mask {
  position: absolute;
  left: 0; top: 0; right: 0; bottom: 0;
  width: 100%; height: 100%;
  background: rgba(0,0,0,0.5);
  z-index: 1;
}
.detail-img-popup {
  border-radius: 8px;
  box-shadow: 0 4px 24px rgba(0,0,0,0.3);
  background: #fff;
  display: block;
  margin: 0 auto;
  position: relative;
  z-index: 2;
}
.detail-img-close {
  position: absolute;
  top: 30px;
  right: 60px;
  font-size: 40px;
  color: #fff;
  z-index: 10;
  cursor: pointer;
  font-weight: bold;
  user-select: none;
}

/* 响应式设计 */
@media screen and (max-width: 1366px){
  .banner-imgs-warp {
    height: auto;
  }
  .banner-imgs-warp img {
    height: 470px;
  }
  .b1 {
    margin-top: -4px;
  }
  .banner-text {
    width: 35.94%;
    text-align: left;
  }
  .banner-text span {
    font-size: 2.2vw;
  }
  .b2 {
    width: 90%;
  }
  .b2-nei {
    width: 32%;
     margin-left: 0;
  }
}

@media screen and (max-width: 1024px){
  .b2-text p {
    min-height: 54px;
    line-clamp: 2;
    -webkit-line-clamp: 2;
    display: -webkit-box;
    -webkit-box-orient: vertical;
    overflow: hidden;
  }
  .b2-text .hui {
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
  }
}

@media screen and (max-width: 768px){
  .banner-text span {
    font-size: 1.8vw;
  }
  .banner-imgs-warp {
    margin-top: 60px;
    height: 300px;
  }
  .banner-imgs-warp img {
    height: 300px;
  }
  .b2-img {
    height: 131px;
  }
  .b2-text p {
    width: 100%;
    /*超出隐藏*/
    line-clamp: 2;
    -webkit-line-clamp: 2;
    display: -webkit-box;
    -webkit-box-orient: vertical;
    overflow: hidden;
  }
  .b2-text .hui {
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
  }
  .b3 {
    flex-direction: column;
    align-items: center;
    height: auto;
  }
  .b3-1 {
    margin-right: 0;
    margin-bottom: 30px;
  }
  .b3-2 {
    margin-right: 0;
    margin-bottom: 30px;
  }
  .b2-nei {
    height: auto;
  }
}

@media screen and (max-width: 520px){
  .banner-text span {
    font-size: 1.5vw;
  }
  .b1 {
    height: 60px;
  }
  .b1 a {
    font-size: 20px;
  }
  .b4 {
    width: 96%;
    margin: 0 auto 73px;
  }
  .b4 a {
    font-size: 16px;
    margin-right: 10px;
  }
  .banner-imgs-warp {
    height: 200px;
  }
  .banner-imgs-warp img {
    height: 200px;
  }
}

@media screen and (max-width: 414px){
  .b1 a {
    font-size: 16px;
  }
  .b2-nei {
    width: 100%;
    margin-left: 0;
  }
  .b2-text p {
    width: 100%;
    margin: 0;
  }
  .b2-text .hui {
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
  }
}