.a {
  display: none;
}
body {
  padding-top: 60px;
}
header {
  width: 100%;
  height: 60px;
  position: fixed;
  top: 0;
  left: 0;
  background-color: #ffffff;
  z-index: 6;
}
header .header_center {
  display: flex;
  align-items: center;
  height: 60px;
}
header .header_center .logo {
  width: 96px;
  height: 32px;
}
header .header_center .logo img {
  width: 100%;
  height: 100%;
}
header .header_item {
  height: 60px;
  margin-left: 8%;
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  cursor: pointer;
}
header .header_item.active::after {
  content: '';
  position: absolute;
  bottom: 2px;
  left: 50%;
  transform: translateX(-50%);
  width: 100%;
  height: 2px;
  background: #d92b34;
  border-radius: 5px;
}
header .header_item span {
  font-family: Noto Sans SC, Noto Sans SC;
  font-weight: bold;
  font-size: 16px;
  color: #252526;
  line-height: 24px;
}
.w1200 {
  max-width: 1200px;
  width: 100%;
  margin: 0 auto;
  display: block;
}
@media only screen and (max-width: 600px) {
  header {
    padding-left: 20px;
  }
  .banner_title {
    color: #ffffff;
    margin-top: 2.07rem !important;
    margin-bottom: 20px;
    padding: 0 20px;
  }
  .banner_desc {
    padding: 0 20px;
  }
  .banner_button {
    margin-left: 20px;
  }
  .banner {
    background: url('../images/b1.png') no-repeat !important;
    background-size: 100% 100%;
    height: 400px !important;
  }
  .title_box {
    margin: 40px 0 !important;
  }
  .box2_list {
    padding: 0 20px !important;
    margin-bottom: 30px !important;
  }
  .box2_list .box2_item:nth-child(1) {
    display: block !important;
  }
  .box2_list .box2_item {
    display: none;
  }
}
.banner {
  width: 100%;
  height: 508px;
  background: url('../images/banner.png') no-repeat;
  background-size: 100% 100%;
  overflow: hidden;
}
.banner .banner_title {
  font-family: Noto Sans SC, Noto Sans SC;
  font-weight: bold;
  font-size: 0.44rem;
  color: #ffffff;
  margin-top: 1.4rem;
  margin-bottom: 20px;
}
.banner .banner_desc {
  max-width: 606px;
  font-family: Noto Sans SC, Noto Sans SC;
  font-weight: 400;
  font-size: 16px;
  color: #ffffff;
  line-height: 24px;
  text-align: left;
  font-style: normal;
  text-transform: none;
  margin-bottom: 36px;
}
.banner .banner_button {
  width: 152px;
  height: 52px;
  background: #d92b34;
  border-radius: 2px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: Noto Sans SC, Noto Sans SC;
  font-weight: bold;
  font-size: 20px;
  color: #ffffff;
  transition: all 0.3s;
}
.banner .banner_button:hover {
  transform: translateY(-5px);
}
.title_box {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-direction: column;
  margin: 80px 0;
}
.title_box p {
  font-family: Noto Sans SC, Noto Sans SC;
  font-weight: bold;
  font-size: 36px;
  color: #252526;
}
.title_box span {
  margin-top: 8px;
  font-family: Noto Sans SC, Noto Sans SC;
  font-weight: 400;
  font-size: 16px;
  color: #494a4d;
}
.box2 {
  width: 100%;
  background: #fbfcff;
  overflow: hidden;
}
.box2_list {
  display: flex;
  margin-bottom: 60px;
}
.box2_list .box2_item:nth-child(1) {
  margin-left: 0;
}
.box2_list .box2_item {
  flex: 1;
  margin-left: 16px;
  height: 229px;
  background: #ffffff;
  box-shadow: 0px 12px 48px 0px rgba(0, 33, 71, 0.05);
  border-radius: 8px;
  cursor: pointer;
  transition: all 0.3s;
  padding: 32px;
}
.box2_list .box2_item:hover {
  transform: translateY(-10px);
}
.box2_list .box2_item:hover .box2_item_msg {
  display: none;
}
.box2_list .box2_item:hover .box2_item_button {
  display: flex;
}
.box2_list .box2_item .box2_item_head {
  display: flex;
  align-items: center;
}
.box2_list .box2_item .box2_item_head img {
  width: 32px;
  height: 32px;
}
.box2_list .box2_item .box2_item_head span {
  font-family: Noto Sans SC, Noto Sans SC;
  font-weight: bold;
  font-size: 18px;
  color: #252526;
  margin: 0 4px;
}
.box2_list .box2_item .box2_item_head i {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 20px;
  border-radius: 2px;
  border: 1px solid #f09a96;
  font-family: Noto Sans SC, Noto Sans SC;
  font-size: 12px;
  color: #d92b34;
  font-style: normal;
}
.box2_list .box2_item .box2_item_xian {
  height: 1px;
  background: rgba(0, 11, 23, 0.06);
  margin: 20px 0;
}
.box2_list .box2_item .box2_item_title {
  font-family: Noto Sans SC, Noto Sans SC;
  font-weight: bold;
  font-size: 14px;
  color: #252526;
  margin-bottom: 12px;
}
.box2_list .box2_item .box2_item_msg {
  font-family: Noto Sans SC, Noto Sans SC;
  font-weight: 400;
  font-size: 14px;
  color: #898b8f;
  line-height: 20px;
}
.box2_list .box2_item .box2_item_button {
  margin-top: 48px;
  display: flex;
  align-items: center;
  display: none;
}
.box2_list .box2_item .box2_item_button a {
  width: 104px;
  height: 40px;
  background: #ffffff;
  box-shadow: 0px 8px 20px 0px rgba(239, 0, 0, 0.06);
  border-radius: 2px;
  border: 1px solid #d92b34;
  font-size: 14px;
  color: #d92b34;
  display: flex;
  align-items: center;
  justify-content: center;
}
.box2_list .box2_item .box2_item_button a:nth-child(1) {
  margin-right: 16px;
  width: 104px;
  height: 40px;
  background: #d92b34;
  border-radius: 2px;
  font-family: Noto Sans SC, Noto Sans SC;
  font-weight: 400;
  font-size: 14px;
  color: #ffffff;
}
.cooperation {
  overflow: hidden;
  margin-bottom: 100px;
}
.cooperation .cooperation_list {
  display: flex;
  flex-wrap: wrap;
}
.cooperation .cooperation_list .cooperation_item {
  margin-bottom: 20px;
  margin-right: 20px;
  display: flex;
  align-items: center;
  justify-content: center;
  width: 132px;
  height: 132px;
  background: #ffffff;
  box-shadow: 0px 8px 20px 0px rgba(63, 65, 86, 0.06);
  border-radius: 8px;
  border: 1px solid #f3f3f3;
  cursor: pointer;
  transition: all 0.3s;
}
.cooperation .cooperation_list .cooperation_item:hover {
  transform: translateY(-10px);
}
.cooperation .cooperation_list .cooperation_item img {
  width: 84px;
  height: 84px;
}
.cooperation .cooperation_list .cooperation_item:nth-child(8n) {
  margin-right: 0;
}