.banner-box {
  position: relative;
  width: 100%;
  height: 100vh;
  overflow: hidden;
}
.banner-box .banner-text {
  position: absolute;
  width: 100%;
  left: 0;
  top: 50%;
  transform: translateY(-50%);
  text-align: center;
}
.banner-box .banner-tit {
  font-family: 'Roboto';
  font-weight: bold;
  font-size: 60px;
  color: #FF5C19;
}
.banner-box .banner-tip {
  font-family: 'Roboto';
  font-weight: 500;
  font-size: 20px;
  color: #F4F4F4;
}
.left-menu {
  position: fixed;
  left: 0;
  top: 50%;
  transform: translateY(-50%);
  z-index: 10;
  padding-left: 36px;
}
.left-menu .item {
  font-family: 'Roboto';
  /* font-weight: 300; */
  font-size: 13px;
  color: #959595;
  cursor: pointer;
  margin-top: 24px;
  border-left: 3px solid transparent;
  padding-left: 10px;
}
.left-menu .item.logo {
  width: 61px;
  height: auto;
}
.left-menu .item.on {
  font-size: 16px;
  color: #FF5C19;
  border-left: 3px solid #FF5C19;
}
.fixed {
  position: fixed !important;
  left: 0;
  top: 0;
  width: 100%;
}
.container {
  padding: 0;
}
.section {
  width: 100%;
  height: 100vh;
  max-height: 960px;
  position: relative;
}
#section4-s {
  display: none;
}
.banner-box .bg {
  background: url(../images/about/banner.png) no-repeat;
  background-size: 100% 100%;
  height: 100%;
}
#section2 .bg {
  height: 100%;
}
#section3 .bg {
  height: 100%;
}
#section4 .bg {
  height: 100%;
  position: relative;
}
#section4 .bg .t1,#section4 .bg .t2 {
  background: url(../images/about/map-line.png) no-repeat;
  background-size: 100% 100%;
  width: 100%;
  height: 100%;
  position: absolute;
  left: 0;
  top: 0;
}
#section4 .bg .t1 {
  background: url(../images/about/map.jpg) no-repeat;
  background-size: 100% 100%;
}
#section5 .bg {
  background: url(../images/about/t3.png) no-repeat;
  background-size: 100% 100%;
  height: 100%;
}
.section-txt .tit {
  font-family: 'Roboto';
  font-weight: 400;
  font-size: 34px;
  color: #FF5C17;
  position: relative;
  padding-bottom: 28px;
  margin-bottom: 26px;
}
.section-txt .tit::before {
  content: "";
  width: 33px;
  height: 4px;
  background: #FF5C19;
  border-radius: 2px;
  position: absolute;
  left: 0;
  bottom: 0;
}
.section .section-txt,.section .main {
  width: 50%;
  height: 100%;
  margin: 0;
  padding: 0;
  flex-wrap: wrap;
}
.section .section-txt {
  /* padding: 0 50px 0 190px; */
  padding: 0 8%;
  box-sizing: border-box;
  background: #fff;
  flex-wrap: nowrap;
}
#section2 .main {
  background: url(../images/about/t1.jpg) no-repeat;
  background-size: 100% 100%;
}
#section3 .section-txt {
  padding: 0 8%;
}
.section .info p {
  font-family: 'Roboto';
  /* font-weight: 300; */
  font-size: 16px;
  color: #222222;
  margin-bottom: 14px;
  text-align: justify;
}
#section3 .main {
  background: url(../images/about/t2.jpg) no-repeat;
  background-size: 100% 100%;
}
#section3 .tit {
  font-weight: 400;
  font-size: 22px;
}
#section3 .tit span {
  display: block;
}
#section3 .tit span:last-child {
  color: #313131;
}
#section5 .bg {
  flex-wrap: wrap;
}
#section5 .title {
  width: 820px;
  font-family: 'Roboto';
  font-weight: bold;
  font-size: 40px;
  color: #FFFFFF;
  text-align: center;
}
#section5 .title span {
  color: #FF5C19;
}
#section5 .s-title {
  width: 820px;
  font-family: 'Roboto';
  font-weight: 500;
  font-size: 22px;
  color: #F4F4F4;
  text-align: center;
  padding-top: 13px;
  padding-bottom: 10px;
}
#section5 .info {
  width: 820px;
}
#section5 .info p {
  font-family: 'Roboto';
  font-weight: 300;
  font-size: 16px;
  color: #FFFFFF;
  padding-top: 12px;
  text-align: center;
}
.map-tip {
  width: 957px;
  height: 134px;
  background: rgba(0,0,0,0.9);
  border-radius: 18px;
  padding: 30px 68px;
  box-sizing: border-box;
  font-family: 'Roboto';
  font-weight: 300;
  font-size: 14px;
  color: #fff;
  position: absolute;
  left: 50%;
  transform: translateX(-50%);
  bottom: 20px;
  box-shadow: 0 0 15px 2px #fff;
  text-align: justify;
}
.map-tip span {
  color: #FF5C19;
}
footer, .icp {
  position: relative;
  z-index: 2;
}

@media screen and (max-width: 1550px) {
  .section .section-txt {
    padding: 0 50px 0 190px;
  }
}

/* 移动端 */
@media (max-width: 800px) {
  .left-menu,#section4 {
    display: none;
  }
  .section .main {
    display: none;
  }
  .section {
    height: auto;
    max-height: none;
  }
  .banner-box {
    height: 100vh;
  }
  .section .section-txt {
    width: 100%;
    padding: 80px 20px !important;
    justify-content: flex-start;
    background: none;
    z-index: 2;
  }
  .section-txt .tit {
    margin-bottom: 35px;
  }
  .section .info p {
    color: #fff;
    font-size: 18px;
    margin-bottom: 20px;
  }
  .banner-box .bg {
    background: url(../images/about/banner_s.jpg) no-repeat;
    background-size:  cover;
    background-position: center center;
  }
  #section2 .bg {
    background: url(../images/about/t1_s.jpg) no-repeat;
    background-size:  cover;
    background-position: center center;
    position: relative;
  }
  #section2 .bg::before,#section3 .bg::before,#section5 .bg::before {
    content: "";
    position: absolute;
    width: 100%;
    height: 100%;
    background: rgba(0,0,0,0.6);
    left: 0;
    top: 0;
  }
  #section3 .bg {
    background: url(../images/about/t2_s.jpg) no-repeat;
    background-size:  cover;
    background-position: center center;
    position: relative;
  }
  #section3 .tit span:last-child {
    color: #fff;
  }
  #section5 .bg {
    background: url(../images/about/t3_s.jpg) no-repeat;
    background-size:  cover;
    background-position: center center;
    position: relative;
  }
  #section5 {
    height: auto;
  }
  #section5 .bg {
    padding: 80px 15px;
    box-sizing: border-box;
  }
  #section5 .title,#section5 .s-title,#section5 .info {
    width: 100%;
    box-sizing: border-box;
    z-index: 2;
  }
  #section4-s {
    display: block;
  }
  #section4-s img {
    display: block;
    width: 100%;
  }
  .data-box {
    background: #fff;
    flex-wrap: wrap;
  }
  .data-box .item {
    width: 100%;
    text-align: center;
    padding: 50px 0;
    position: relative;
  }
  .data-box .item::before {
    content: "";
    background: -webkit-gradient(linear, left top, right top, from(rgba(208, 209, 210, 0)), color-stop(29.74%, rgba(208, 209, 210, .7490196078431373)), color-stop(69.54%, rgba(208, 209, 210, .7490196078431373)), to(rgba(208, 209, 210, 0)));
    background: linear-gradient(90deg, rgba(208, 209, 210, 0), rgba(208, 209, 210, .7490196078431373) 29.74%, rgba(208, 209, 210, .7490196078431373) 69.54%, rgba(208, 209, 210, 0));
    height: 1px;
    width: 100%;
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
  }
  .data-box .item:last-child::before {
    display: none;
  }
  .data-box .val {
    font-family: 'SourceHanSansSC';
    font-weight: bold;
    font-size: 56px;
    color: #333;
    position: relative;
    display: inline-block;
  }
  .data-box .label {
    /* color: #FF5C17; */
    font-size: 25px;
    color: #666;
  }
  .sign-money {
    font-size: 25px;
  }
  .sign-m {
    font-size: 36px;
  }
  .sign-add {
    font-size: 25px;
    position: absolute;
    top: 0;
    right: -15px;
  }
  .sign-top {
    font-weight: 300;
    font-size: 16px;
    position: absolute;
    top: 0;
    left: -25px;
  }
  .map-tip-s {
    background: rgba(0, 0, 0, 0.3);
    padding: 20px;
    box-sizing: border-box;
    position: absolute;
    left: 3%;
    top: 40px;
    color: #fff;
    font-size: 16px;
    box-shadow: 0 0 15px 2px #fff;
    text-align: justify;
    width: 94%;
    border-radius: 20px;
  }
  .map-tip-s span {
    color: #FF5C19;
  }
}