@media (min-width: 768px) {
  body {
    padding-top: 106px;
  }
}

.chuangcuhei {
  color: #111;
}

.page-banner {
  height: 860px;
  position: relative;
}

.page-banner::after {
  content: '';
  width: 100%;
  height: 200px;
  background: linear-gradient(180deg, transparent 0%, rgba(0, 0, 0, 0.4) 100%);
  position: absolute;
  bottom: 0;
  left: 0;
  z-index: 1;
}

.page-banner .slogin {
  max-width: 600px;
  top: 279px;
  transform: translateY(0);
}

.page-banner h3 {
  color: #fff;
  font-size: 70px;
  height: auto;
  position: relative;
}

.page-banner h3::after {
  display: none;
  position: absolute;
  top: 100%;
  left: 0;
  content: '';
  overflow: hidden;
  height: 4px;
  width: 92px;
  background-color: #e60d16;
  transform: skewX(-30deg);
  margin-top: 15px;
}

.page-banner .subtitle {
  margin-top: 10px;
  color: #FFF;
  font-size: 20px !important;
  font-style: normal;
  font-weight: 400;
  line-height: 1.7;
  /* 150% */
}

.page-banner .crumbs_box {
  z-index: 2;
  position: absolute;
  left: 0;
  bottom: 43px;
  display: flex;
  flex-direction: row;
  align-items: center;
}

.page-banner .crumbs_box a {
  color: rgba(255, 255, 255, 0.6);
  font-size: 16px;
  font-style: normal;
  font-weight: 400;
  line-height: 30px;
  /* 187.5% */
}

.page-banner .crumbs_box a:hover {
  color: #111;
}

.page-banner .crumbs_box span {
  margin: 0 5px;
  color: rgba(255, 255, 255, 0.6);
  font-size: 16px;
  font-style: normal;
  font-weight: 400;
  line-height: 30px;
  /* 187.5% */
}

.page-banner .crumbs_box p {
  margin-bottom: 0;
  color: #fff;
  font-size: 16px;
  font-style: normal;
  font-weight: 400;
  line-height: 30px;
  /* 187.5% */
}

.mian {
  background: #fff;
}

.mian .mian_content .mian_c_t {
  height: auto;
}

.mian .mian_content .mian_c_t .mian_c_t_desc {
  position: static;
  padding: 0;
  width: 900px;
  margin: 0 auto;
  color: #666;
  text-align: center;
  font-size: 16px;
  font-style: normal;
  font-weight: 400;
  line-height: 1.7;
  /* 194.444% */
}

.mian .mian_content .mian_c_b {
  padding: 0 95px;
}

.mian .mian_content .mian_c_b .mian_c_b_item {
  margin-top: 100px;
  justify-content: space-between;
  align-items: center;
}

.mian .mian_content .mian_c_b .mian_c_b_item .mian_b_i_l {
  padding: 0;
  width: 510px;
  height: auto;
}

.mian .mian_content .mian_c_b .mian_c_b_item .mian_b_i_l .mian_b_title {
  color: #111;
  font-size: 26px;
  font-style: normal;
  font-weight: 400;
  line-height: 54px;
  /* 150% */
}

.mian .mian_content .mian_c_b .mian_c_b_item .mian_b_i_l .mian_b_desc {
  color: #666;
  font-size: 16px;
  font-style: normal;
  font-weight: 400;
  line-height: 1.7;
  /* 187.5% */
}

.mian .mian_content .mian_c_b .mian_c_b_item:first-child {
  margin-top: 0;
}

.mian .mian_content .mian_c_b .mian_c_b_item:first-child .btn .iconfont {
  margin-left: 10px;
}

.mian .mian_content .mian_c_b .mian_c_b_item:last-child .mian_b_i_l .mian_b_btn a {
  padding: 0;
}

@media screen and (max-width: 1440px) {
  .page-banner {
    height: 50.76389vw;
    position: relative;
  }
  .page-banner::after {
    content: '';
    width: 100%;
    height: 11.80556vw;
    background: linear-gradient(180deg, transparent 0%, rgba(0, 0, 0, 0.4) 100%);
    position: absolute;
    bottom: 0;
    left: 0;
    z-index: 1;
  }
  .page-banner .slogin {
    max-width: 35.41667vw;
    top: 16.46875vw;
    transform: translateY(0);
  }
  .page-banner h3 {
    color: #fff;
    font-size: 4.13194vw;
    height: auto;
    position: relative;
  }
  .page-banner h3::after {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    content: '';
    overflow: hidden;
    height: 0.23611vw;
    width: 5.43056vw;
    background-color: #e60d16;
    transform: skewX(-30deg);
    margin-top: 0.88542vw;
  }
  .page-banner .subtitle {
    margin-top: 0.59028vw;
    color: #FFF;
    font-size: 1.18056vw !important;
    font-style: normal;
    font-weight: 400;
    line-height: 1.7;
    /* 150% */
  }
  .page-banner .crumbs_box {
    z-index: 2;
    position: absolute;
    left: 0;
    bottom: 2.53819vw;
    display: flex;
    flex-direction: row;
    align-items: center;
  }
  .page-banner .crumbs_box a {
    color: rgba(255, 255, 255, 0.6);
    font-size: 0.94444vw;
    font-style: normal;
    font-weight: 400;
    line-height: 1.77083vw;
    /* 187.5% */
  }
  .page-banner .crumbs_box a:hover {
    color: #111;
  }
  .page-banner .crumbs_box span {
    margin: 0 0.29514vw;
    color: rgba(255, 255, 255, 0.6);
    font-size: 0.94444vw;
    font-style: normal;
    font-weight: 400;
    line-height: 1.77083vw;
    /* 187.5% */
  }
  .page-banner .crumbs_box p {
    margin-bottom: 0;
    color: #fff;
    font-size: 0.94444vw;
    font-style: normal;
    font-weight: 400;
    line-height: 1.77083vw;
    /* 187.5% */
  }
  .mian {
    background: #fff;
  }
  .mian .mian_content .mian_c_t {
    height: auto;
  }
  .mian .mian_content .mian_c_t .mian_c_t_desc {
    position: static;
    padding: 0;
    width: 53.125vw;
    margin: 0 auto;
    color: #666;
    text-align: center;
    font-size: 0.94444vw;
    font-style: normal;
    font-weight: 400;
    line-height: 1.7;
    /* 194.444% */
  }
  .mian .mian_content .mian_c_b {
    padding: 0 5.60764vw;
  }
  .mian .mian_content .mian_c_b .mian_c_b_item {
    margin-top: 5.90278vw;
    justify-content: space-between;
    align-items: center;
  }
  .mian .mian_content .mian_c_b .mian_c_b_item .mian_b_i_l {
    padding: 0;
    width: 30.10417vw;
    height: auto;
  }
  .mian .mian_content .mian_c_b .mian_c_b_item .mian_b_i_l .mian_b_title {
    color: #111;
    font-size: 1.53472vw;
    font-style: normal;
    font-weight: 400;
    line-height: 3.1875vw;
    /* 150% */
  }
  .mian .mian_content .mian_c_b .mian_c_b_item .mian_b_i_l .mian_b_desc {
    color: #666;
    font-size: 0.94444vw;
    font-style: normal;
    font-weight: 400;
    line-height: 1.7;
    /* 187.5% */
  }
  .mian .mian_content .mian_c_b .mian_c_b_item .mian_b_i_r {
    width: 36.89236vw;
    height: 23.02083vw;
  }
  .mian .mian_content .mian_c_b .mian_c_b_item:first-child {
    margin-top: 0;
  }
  .mian .mian_content .mian_c_b .mian_c_b_item:first-child .btn .iconfont {
    margin-left: 0.59028vw;
  }
  .mian .mian_content .mian_c_b .mian_c_b_item:last-child .mian_b_i_l .mian_b_btn a {
    padding: 0;
  }
}

@media screen and (max-width: 1024px) {
  .page-banner {
    height: 160vw;
    position: relative;
  }
  .page-banner::after {
    content: '';
    width: 100%;
    height: 160vw;
    background: linear-gradient(180deg, transparent 0%, rgba(0, 0, 0, 0.4) 100%);
    position: absolute;
    bottom: 0;
    left: 0;
    z-index: 1;
  }
  .page-banner .slogin {
    max-width: 80vw;
    top: 26.13333vw;
    transform: translateY(0);
  }
  .page-banner h3 {
    color: #fff;
    font-size: 8.53333vw;
    height: auto;
    position: relative;
  }
  .page-banner h3::after {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    content: '';
    overflow: hidden;
    height: 0.53333vw;
    width: 12.26667vw;
    background-color: #e60d16;
    transform: skewX(-30deg);
    margin-top: 2vw;
  }
  .page-banner .subtitle {
    margin-top: 1.33333vw;
    color: #FFF;
    font-size: 5.33333vw !important;
    font-style: normal;
    font-weight: 400;
    line-height: 1.7;
    /* 150% */
  }
  .page-banner .crumbs_box {
    padding: 0 4vw;
    position: absolute;
    left: 0;
    bottom: 2.66667vw;
    display: flex;
    flex-direction: row;
    align-items: center;
    z-index: 2;
  }
  .page-banner .crumbs_box a {
    color: #999;
    font-size: 3.2vw;
    font-style: normal;
    font-weight: 400;
    line-height: 8vw;
    /* 187.5% */
  }
  .page-banner .crumbs_box a:hover {
    color: #fff;
  }
  .page-banner .crumbs_box span {
    margin: 0 1.33333vw;
    color: rgba(255, 255, 255, 0.6);
    font-size: 3.2vw;
    font-style: normal;
    font-weight: 400;
    line-height: 8vw;
    /* 187.5% */
  }
  .page-banner .crumbs_box p {
    margin-bottom: 0;
    color: #fff;
    font-size: 3.2vw;
    font-style: normal;
    font-weight: 400;
    line-height: 8vw;
    /* 187.5% */
  }
  .mian {
    background: #fff;
  }
  .mian .mian_content .mian_c_t {
    height: auto;
  }
  .mian .mian_content .mian_c_t .mian_c_t_desc {
    position: static;
    padding: 0;
    width: 100%;
    margin: 0 auto;
    color: #666;
    text-align: center;
    font-size: 4.26667vw;
    font-style: normal;
    font-weight: 400;
    line-height: 1.7;
    /* 194.444% */
  }
  .mian .mian_content .mian_c_b {
    padding: 0 0vw;
  }
  .mian .mian_content .mian_c_b .mian_c_b_item {
    margin-top: 10.66667vw;
    display: flex;
    flex-direction: column;
    justify-content: inherit;
    align-items: center;
    gap: 8.53333vw;
  }
  .mian .mian_content .mian_c_b .mian_c_b_item .mian_b_i_l {
    padding: 0;
    width: 100%;
    height: auto;
  }
  .mian .mian_content .mian_c_b .mian_c_b_item .mian_b_i_l .mian_b_title {
    color: #111;
    font-size: 5.33333vw;
    font-style: normal;
    font-weight: 400;
    line-height: 1.5;
    /* 150% */
  }
  .mian .mian_content .mian_c_b .mian_c_b_item .mian_b_i_l .mian_b_desc {
    color: #666;
    font-size: 4.26667vw;
    font-style: normal;
    font-weight: 400;
    line-height: 1.7;
    /* 187.5% */
  }
  .mian .mian_content .mian_c_b .mian_c_b_item .mian_b_i_r {
    width: auto;
    height: auto;
  }
  .mian .mian_content .mian_c_b .mian_c_b_item:first-child {
    margin-top: 0;
  }
  .mian .mian_content .mian_c_b .mian_c_b_item:first-child .btn .iconfont {
    margin-left: 1.33333vw;
  }
  .mian .mian_content .mian_c_b .mian_c_b_item:last-child .mian_b_i_l .mian_b_btn a {
    padding: 0;
  }
}