* {
  padding: 0;
  margin: 0;
  scroll-behavior: smooth;
}

a {
  text-decoration: none;
  display: inline-block;
}


body::-webkit-scrollbar {
  width: 8px;
  height: 8px;
  background-color: #e0e0e0;
}

/* 设置滚动条的滑块颜色和形状 */
body::-webkit-scrollbar-thumb {
  background-color: rgb(95, 151, 207);
  border-radius: 5px;
}

/* .tab {
  width: 100%;
  height: 80px;
  display: flex;
  flex-direction: row;
  flex-wrap: nowrap;
  justify-content: flex-start;
  align-items: center;
  background: #FFF;
}

.logo {
  width: 150px;
  height: 40px;
  border-radius: 0px 0px 0px 0px;
  opacity: 1;
  margin: 10px 12vw 10px 16vw;
}

.tab .tab-list {
  height: 100%;
  display: flex;
  flex-direction: row;
  flex-wrap: nowrap;
  justify-content: flex-start;
  align-items: center;
  color: #475669;
}

.tab .tab-list .tab-title {
  width: 6.5vw;
  min-width: 73px;
  height: 80px;
  line-height: 80px;
  text-align: center;
  font-size: 18px;
  font-weight: bold;
  margin: 0 1vw;
  cursor: pointer;
}

.tab .tab-list .tab-title-nosel {
  color: #666666;
}

.tab .tab-list .tab-title-sel {
  color: #1D8CF4;
}

.tab .tab-list .tab-title:hover {
  color: #FFFFFF;
  background: #1D8CF4;
} */


.tab {
  width: 100%;
  height: 80px;
  display: flex;
  flex-direction: row;
  flex-wrap: nowrap;
  justify-content: flex-start;
  align-items: center;
  position: fixed;
  left: 0;
  top: 0;
  z-index: 99;
  background: none;
  transition: all 0.8s;
  z-index: 9999;
}
.tab2 {
  width: 100%;
  height: 80px;
  display: flex;
  flex-direction: row;
  flex-wrap: nowrap;
  justify-content: flex-start;
  align-items: center;
  position: fixed;
  left: 0;
  top: 0;
  z-index: 99;
  background: none;
  transition: all 0.8s;
  z-index: 9999;
}

.tab:hover {
  background: #FFF;
  box-shadow: 0 0 10px rgba(0, 15, 40, .2);
}
.tab2:hover {
  background: #FFF;
  box-shadow: 0 0 10px rgba(0, 15, 40, .2);
}

.tab-white {
  width: 100%;
  height: 80px;
  display: flex;
  flex-direction: row;
  flex-wrap: nowrap;
  justify-content: flex-start;
  align-items: center;
  position: fixed;
  left: 0;
  top: 0;
  z-index: 99;
  background: #FFF;
  transition: all 0.8s;
  box-shadow: 0 0 10px rgba(0, 15, 40, .2);
  z-index: 9999;
}


.tab .logo {
  /* width: 225px;
  height: 60px; */
  width: 150px;
  height: 40px;
  border-radius: 0px 0px 0px 0px;
  opacity: 1;
  margin: 10px 12vw 10px 16vw;
  /* filter: blur(0); */
  /* filter: grayscale(0); */
  transition: filter 0.1s;
  filter: grayscale(1) brightness(50);
}
.tab2 .logo {
  /* width: 225px;
  height: 60px; */
  width: 150px;
  height: 40px;
  border-radius: 0px 0px 0px 0px;
  opacity: 1;
  margin: 10px 12vw 10px 16vw;
  /* filter: blur(0); */
  /* filter: grayscale(0); */
  /* transition: filter 0.1s;
  filter: grayscale(1) brightness(50); */
}


.tab-white .logo {
  /* width: 225px;
  height: 60px; */
  width: 150px;
  height: 40px;
  border-radius: 0px 0px 0px 0px;
  opacity: 1;
  margin: 10px 12vw 10px 16vw;
  /* filter: blur(0); */
  /* filter: grayscale(0); */
  /* transition: filter 0.8s;
  filter: grayscale(1) brightness(50); */
}

.tab:hover .logo {
  filter: unset !important;
}
.tab2:hover .logo {
  filter: unset !important;
}

.tab .tab-list {
  height: 100%;
  display: flex;
  flex-direction: row;
  flex-wrap: nowrap;
  justify-content: flex-start;
  align-items: center;
  color: #475669;
}
.tab2 .tab-list {
  height: 100%;
  display: flex;
  flex-direction: row;
  flex-wrap: nowrap;
  justify-content: flex-start;
  align-items: center;
  color: #475669;
}

.tab-white .tab-list {
  height: 100%;
  display: flex;
  flex-direction: row;
  flex-wrap: nowrap;
  justify-content: flex-start;
  align-items: center;
  color: #475669;
}

.tab .tab-list .tab-title {
  width: 6.5vw;
  min-width: 73px;
  height: 80px;
  line-height: 80px;
  text-align: center;
  font-size: 18px;
  font-weight: bold;
  margin: 0 1vw;
  cursor: pointer;
  color: #FFF;
  transition: all 0.5s;
}
.tab2 .tab-list .tab-title {
  width: 6.5vw;
  min-width: 73px;
  height: 80px;
  line-height: 80px;
  text-align: center;
  font-size: 18px;
  font-weight: bold;
  margin: 0 1vw;
  cursor: pointer;
  color: #FFF;
  transition: all 0.5s;
}

.tab-white .tab-list .tab-title {
  width: 6.5vw;
  min-width: 73px;
  height: 80px;
  line-height: 80px;
  text-align: center;
  font-size: 18px;
  font-weight: bold;
  margin: 0 1vw;
  cursor: pointer;
  /* color: #FFF; */
  transition: all 0.5s;
}

.tab:hover .tab-list .tab-title-nosel {
  color: #666666;
}

.tab:hover .tab-list .tab-title-sel {
  color: #1D8CF4;
}
.tab2:hover .tab-list .tab-title-nosel {
  color: #666666;
}

.tab2:hover .tab-list .tab-title-sel {
  color: #1D8CF4;
}

.tab-white:hover .tab-list .tab-title-nosel {
  color: #666666;
}

.tab-white:hover .tab-list .tab-title-sel {
  color: #1D8CF4;
}

.tab .tab-list .tab-title-nosel {
  color: #ffffff;
}

.tab .tab-list .tab-title-sel {
  color: #ffffff;
}
.tab2 .tab-list .tab-title-nosel {
  color: #666666;
}

.tab2 .tab-list .tab-title-sel {
  color: #1D8CF4;
}

.tab-white .tab-list .tab-title-nosel {
  color: #666666;
}

.tab-white .tab-list .tab-title-sel {
  color: #1D8CF4;
}

.tab .tab-list .tab-title:hover {
  color: #FFFFFF;
  background: #1D8CF4;
}
.tab2 .tab-list .tab-title:hover {
  color: #FFFFFF;
  background: #1D8CF4;
}

.tab-white .tab-list .tab-title:hover {
  color: #FFFFFF;
  background: #1D8CF4;
}

.top-banner .el-carousel__container {
  height: 100vh;
}



/* 底部导航 */
.page-bottom-bg {
  background: #F6FBFF;
}

.page-bottom {
  max-width: 1280px;
  height: 200px;
  border-radius: 0px 0px 0px 0px;
  opacity: 1;
  display: flex;
  flex-direction: row;
  flex-wrap: nowrap;
  justify-content: space-between;
  align-items: center;
  padding: 40px 20px;
  margin: 0 auto;
}

/* 快捷入口 */
.page-bottom-box1 {
  display: inline-block;
  /* width: 248px; */
  height: 200px;
  margin-right: 10px;
  /* padding-right: 140px; */
}

.page-bottom-box1-title {
  height: 24px;
  font-size: 16px;
  font-family: PingFang SC, PingFang SC;
  font-weight: bold;
  color: #333333;
  line-height: 24px;
}

.page-bottom-box1-text {
  /* width: 100%; */
  width: 188px;
  height: calc(100% - 44px);
  padding-top: 20px;
  display: flex;
  flex-direction: row;
  flex-wrap: wrap;
  justify-content: space-between;
  align-items: flex-start;
}

.page-bottom-box1-text-item {
  width: 64px;
  height: 32px;
  font-size: 16px;
  font-family: PingFang SC, PingFang SC;
  font-weight: 500;
  color: #333333;
  line-height: 32px;
  text-align: justify;
  text-justify: inter-ideograph;
  /* margin-right: 60px; */
  display: inline-block;
  margin-top: 20px;
  display: flex;
  flex-direction: row;
  flex-wrap: nowrap;
  justify-content: space-between;
  align-items: center;
}

.page-bottom-box1-text-item:hover {
  color: #1D8CF4;
}

.page-bottom-box1-text-item i {
  display: inline-block;
  width: 100%;
}

/* 联系我们 */
.page-bottom-box2 {
  display: inline-block;
  /* width: 532px; */
  width: 350px;
  height: 200px;
}

.page-bottom-box2-title {
  height: 24px;
  font-size: 16px;
  font-family: PingFang SC, PingFang SC;
  font-weight: bold;
  color: #333333;
  line-height: 24px;
}

.page-bottom-box2-text {
  margin-top: 40px;
  width: 100%;
  height: calc(100% - 64px);
  display: flex;
  flex-direction: column;
  flex-wrap: nowrap;
  justify-content: space-between;
  align-items: flex-start;

  font-size: 16px;
  font-family: PingFang SC, PingFang SC;
  font-weight: 500;
  color: #333333;
  line-height: 32px;
  /* margin-right: 10px; */
}

/* .page-bottom-box2-text-item {} */
.page-bottom-box3 {
  width: 360px;
  height: 100%;
  display: flex;
  flex-direction: row;
  flex-wrap: nowrap;
  justify-content: space-between;
  align-items: center;
}

.page-bottom-box3 img {
  width: 160px;
  height: 160px;
}

.page-bottom-box3-time {
  display: flex;
  flex-direction: column;
  flex-wrap: nowrap;
  justify-content: center;
  align-items: center;

  height: 24px;
  font-size: 16px;
  font-family: PingFang SC, PingFang SC;
  font-weight: 500;
  color: #333333;
  line-height: 24px;
  letter-spacing: 6px;
}


.page-bottom-info {
  width: 100%;
  height: 68px;
  background: #FFFFFF;
  border-radius: 0px 0px 0px 0px;
  opacity: 1;
  display: flex;
  flex-direction: row;
  flex-wrap: nowrap;
  justify-content: center;
  align-items: center;
}

.page-bottom-info-text {
  /* width: 448px; */
  height: 28px;
  font-size: 14px;
  font-family: PingFang SC, PingFang SC;
  font-weight: 500;
  color: #333333;
  line-height: 28px;
}

/* 小标题 */
.box-title {
  display: flex;
  flex-direction: column;
  flex-wrap: nowrap;
  justify-content: center;
  align-items: center;
}

.box-title-cn {
  height: 36px;
  font-size: 28px;
  font-family: Source Han Sans CN, Source Han Sans CN;
  font-weight: bold;
  color: #333333;
  line-height: 36px;
}

.box-title-en {
  height: 22px;
  font-size: 14px;
  font-family: Source Han Sans CN, Source Han Sans CN;
  font-weight: 500;
  color: #999999;
  line-height: 22px;
  margin-top: 10px;
}


.back-top-bottom {
  width: 50px;
  height: 120px;
  display: flex;
  flex-direction: column;
  flex-wrap: nowrap;
  justify-content: space-between;
  align-items: center;
  position: fixed;
  right: 30px;
  bottom: 150px;
  z-index: 999;
}
.back-i {
  /* margin-top: 20px; */
  width: 50px;
  height: 50px;
  display: flex;
  flex-direction: row;
  flex-wrap: nowrap;
  justify-content: center;
  align-items: center;

  background: #fff;
  border-radius: 50%;
  color: #409eff;
  font-size: 24px;
  box-shadow: 0 0 6px rgba(0, 0, 0, .12);
  cursor: pointer;
  text-align: center;
  line-height: 50px !important;
  font-weight: bold !important;
}
.back-i:hover{
  background: #f5f5f5;
  color: #389cff;
}