.base_header {
  width: 100%;
  height: 90px;
  background: linear-gradient(180deg, rgba(0, 0, 0, 0.51) 0%, rgba(0, 0, 0, 0) 100%);
  position: fixed;
  top: 0 !important;
  z-index: 12;
  display: flex !important;
}
.header_left img {
  margin-left: 60px;
  height: 50px;
  transform: translateY(-10px);
}
.header_left_p {
  margin-left: 25px;
  font-size: 14px;
  font-weight: 400;
  color: #ffffff;
  opacity: 1;
  line-height: 1.5;
}
.header_center a {
  /* margin-left: 80px; */
  font-size: 16px;
  color: #ffffff;
  position: relative;
  font-family: HarmonyOS_medium;
  font-weight: 500;
  cursor: pointer;
}
.header_center .pos_rel {
  margin-top: 10px;
}
.header_center .pos_rel > a {
  /* margin-left: 0; */
  line-height: 52px;
  transition: all 0.5s;
}
.header_center .pos_rel > a:hover {
  color: #af100c;
}
.header_center .active::after {
  content: "";
  width: 5px;
  height: 5px;
  background: #ffffff;
  box-shadow: 0px 0px 6px #ffffff;
  border-radius: 50%;
  opacity: 1;
  position: absolute;
  top: 20px;
  left: 45%;
}
.header_center a:hover::after {
  /* content: ""; */
  width: 5px;
  height: 5px;
  background: #ffffff;
  box-shadow: 0px 0px 6px #ffffff;
  border-radius: 50%;
  opacity: 1;
  position: absolute;
  top: 20px;
  left: 45%;
}
.header_right img {
  margin-right: 10px;
}
.header_right p {
  color: #ffffff;
  margin-right: 60px;
  font-size: 22px;
  font-weight: bold;
  font-family: HarmonyOS_bold;
}
.header_center {
  gap: 80px;
}
.header_center .serve_box {
  position: absolute;
  left: 50%;
  transform: translateX(-50%);
  display: none;
}
.header_center .serve_box ul {
  padding: 10px 0;
  border-radius: 7px;
  background: rgba(255, 255, 255, 0.9);
  display: flex;
  flex-direction: column;
}
.header_center .serve_box ul::after {
  content: "";
  position: absolute;
  top: -5px;
  left: 50%;
  transform: translateX(-50%);
  border-bottom: 5px solid #ffffff;
  border-left: 5px solid transparent;
  border-right: 5px solid transparent;
}
.header_center .serve_box ul a {
  color: #333;
  display: block;
  width: 100%;
  font-size: 14px;
  white-space: nowrap;
  padding: 0 35px;
  line-height: 35px;
  box-sizing: border-box;
  border-bottom: 1px solid #30303030;
  transition: all 0.5s;
}
.header_center .serve_box ul a:hover {
  background-color: #af100c;
  color: #fff;
}
.header_center .pos_rel:hover .serve_box {
  display: block;
}
@keyframes serve {
  0% {
    opacity: 0;
  }
  100% {
    opacity: 1;
  }
}
.box {
  text-align: center;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
}
.box h2 {
  margin: 20px 0 10px;
  font-family: HarmonyOS_medium;
  font-weight: 500;
  font-size: 24px;
}
.box .img_box_ss {
  width: 30px;
  height: 30px;
  line-height: 30px;
  text-align: center;
  border: 1px solid #303030;
  opacity: 1;
  border-radius: 25px;
  margin-top: 37px;
  overflow: hidden;
}
.box_imgs {
  opacity: 0;
}
.box:hover .img_box_ss1 {
  animation: is_hover 0.5s forwards;
}
.box:hover .img_box_ss {
  border: none;
  width: 32px;
  height: 32px;
}
.box:hover .img_box_ss1 .box_imgs {
  animation: serve 0.6s forwards;
}
.box:hover .img_box_ss1 {
  width: 0;
  height: 100%;
  line-height: 32px;
  text-align: center;
  background: #303030;
  position: absolute;
  top: 0;
  left: 0;
}
@keyframes is_hover {
  0% {
    width: 0;
  }
  100% {
    width: 100%;
  }
}
.pos_abs a {
  margin: 0;
  color: #000000;
}
.pos_abs a:hover::after {
  display: none;
}
.pos_abs .serve_box_mid {
  margin: 0 133px;
}
.base_header_m {
  width: 100%;
  height: 48px;
  background: #000000;
  box-shadow: 0px 2px 6px rgba(0, 0, 0, 0.15);
  display: none;
  position: fixed;
  top: 0;
  z-index: 15;
  justify-content: space-between;
  align-items: center;
}
.header_m_left {
  display: flex;
  align-items: center;
  margin-left: 20px;
}
.header_m_left img:first-child {
  width: 75px;
}
.header_m_right img {
  width: 48px;
}
.logo_txt {
  width: 124px;
}
.logo_txt {
  margin-left: 8px;
}
.banner_mobile {
  background: url("../image/banner_m.png") center center no-repeat;
  background-size: cover;
  width: 100%;
  height: 100%;
}
.banner_mobile_box {
  width: 100%;
  margin: 0 auto;
  text-align: center;
  position: relative;
}
.banner_mobile_box img:first-child {
  margin-top: 200px;
}
.banner_mobile_box h1 {
  font-size: 30px;
  font-weight: 400;
  color: #ffffff;
  text-shadow: 2px 2px 10px rgba(0, 0, 0, 0.43);
  letter-spacing: 9px;
  margin-top: 16px;
  margin-left: 9px;
}
.banner_mobile_box h2 {
  font-size: 38px;
  line-height: 1.5;
  font-weight: bold;
  color: #ffffff;
  text-shadow: 2px 2px 10px rgba(0, 0, 0, 0.43);
  font-family: HarmonyOS_bold;
  margin-top: 8px;
}
.banner_mobile_box p {
  font-size: 16px;
  font-weight: 300;
  color: #ffffff;
  text-shadow: 2px 2px 10px rgba(0, 0, 0, 0.43);
  margin: 5px 0 16px;
}
.mobile_nav {
  position: fixed;
  top: 48px;
  left: 0;
  right: 0;
  bottom: 0;
  padding-top: 20px;
  background: #000000;
}
.mobile_nav_1_1 {
  width: 80%;
  margin: 0 auto;
  position: relative;
}
.mobile_nav_1_1 a {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
}
.mobile_serve_box {
  margin-top: 20px;
}
.mobile_serve a {
  position: unset;
  display: block;
  width: calc(100% - 20px);
  height: 50px;
  line-height: 50px;
  padding-left: 20px;
  font-size: 17px;
  font-weight: 300;
  color: #ffffff;
  opacity: 0.8;
}
.mobile_serve img {
  position: absolute;
  top: 15px;
  right: 0;
}
.mobile_nav_1_1 p {
  font-size: 17px;
  font-weight: 400;
  line-height: 50px;
  color: #ffffff;
  border-bottom: 1px solid #303030;
}
.mobile_nav_2 {
  width: 285px;
  height: 44px;
  border: 1px solid #ffffff;
  opacity: 0.8;
  border-radius: 25px;

  margin: 100px auto 0;
}
.mobile_nav_2 a {
  width: 100%;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
}
.chat {
  position: fixed;
  bottom: 80px;
  left: 20px;
  z-index: 12;
}
.mobile_nav_2 p {
  font-size: 17px;
  font-weight: bold;
  color: #ffffff;
  margin-left: 10px;
}
.base_header_m2 {
  width: 100%;
  height: 48px;
  background: rgba(255, 255, 255, 0.95);
  position: fixed;
  top: 48px;
  z-index: 5;
  display: none;
  align-items: center;
  justify-content: space-between;
}
.m2_left {
  font-size: 14px;
  font-weight: 400;
  color: #000000;
  margin-left: 20px;
}
.m2_right_1 {
  width: 84px;
  height: 24px;
  background: #303030;
  border-radius: 25px;
}
.m2_right_2 {
  width: 84px;
  height: 22px;
  border: 1px solid #303030;
  border-radius: 25px;
  margin: 0 20px 0 6px;
}
.m2_right_2 a {
  display: block;
  width: 100%;
  height: 100%;
  line-height: 22px;
  font-size: 10px;
  color: #000000;
  text-align: center;
}
.m2_right_1 a {
  display: block;
  width: 100%;
  height: 100%;
  line-height: 24px;
  font-size: 10px;
  color: #ffffff;
  text-align: center;
}
.m2_right {
  display: flex;
}
@media screen and (max-width: 1024px) {
  .base_header {
    display: none !important;
  }
  .base_header_m {
    display: flex;
  }
  .base_header_m2 {
    display: flex;
  }
}
@media screen and (max-width: 1500px) {
  .header_center .serve_box {
    /* width: 900px;
    height: 280px;
    border-radius: 25px; */
  }
  .pos_abs .serve_box_mid {
    margin: 0 80px;
  }
}
@media screen and (max-width: 1300px) {
  .header_center a {
    /* margin-left: 50px; */
  }
}
@media screen and (max-width: 1100px) {
  .header_center a {
    /* margin-left: 30px; */
  }
}