/* -------------- index ------------*/
.index_box {
  /* max-width: 1200px;
  margin: 0 auto; */
  background-color: #f2f2f2;
}
.header {
  position: fixed;
  top: 0;
  left: 0;
  display: flex;
  justify-content: space-between;
  align-items: center;
  align-content: center;
  padding: 0 2%;
  box-sizing: border-box;
  width: 100%;
  height: 150px;
  color: #fff;
  background-color: rgba(41, 41, 41, 0.38);
  z-index: 99;
}
.header.opacity {
  position: relative;
  background-color: rgba(0, 92, 253, 1);
}
.logo {
  flex: 0 0 314px;
  width: 314px;
}

.logo img {
  width: 100%;
  height: 100%;
  object-fit: contain;
}
.nav {
  /* width: 100%;
  height: 100%; */
}
.nav_list {
  display: flex;
  flex-wrap: nowrap;
  justify-content: flex-end;
  align-items: center;
  align-content: center;
  height: 100%;
}
.nav_item {
  padding: 0px 17.5px;
  box-sizing: border-box;
  position: relative;
  flex: 1;
  white-space: nowrap;
  text-align: center;
  font-size: 24px;
  height: 100%;
  line-height: 150px;
  cursor: pointer;
}
/* .nav_item:last-of-type{
  margin: 0;
} */
.nav_item:hover {
  background-color: #005cfd;
}
.nav_item.checked::after {
  content: "";
  position: absolute;
  bottom: 0px;
  left: 50%;
  transform: translateX(-50%);
  width: 68px;
  height: 0;
  border-bottom: 4px solid #fff;
}
.phone {
  display: flex;
  align-items: center;
  align-content: center;
}
.phone_icon {
  flex: 0 0 60px;
  width: 60px;
  height: 60px;
}
.phone_msg {
  white-space: nowrap;
  font-size: 20px;
}
.phone_num {
  font-size: 36px;
  font-weight: bold;
}
.second_nav {
  position: fixed;
  top: 150px;
  left: 0px;
  display: flex;
  justify-content: center;
  align-content: space-between;
  padding: 64px 0;
  box-sizing: border-box;
  width: 100%;
  height: 460px;
  background-color: rgba(255, 255, 255, 0.8);
}
.second_nav .nav_img {
  /* width: 520px; */
  width: 27%;
  height: 330px;
}
.second_nav .nav_img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}
.second_nav .nav_btn_line {
  margin-left: 10%;
  width: 14%;
  font-size: 24px;
  color: #333;
}
.second_nav .nav_btn_box { /* 220420 */
  position: relative;
  margin-bottom: 77px;
  padding-bottom: 19px;
  /* width: 262px; */
  width: 100%;
  line-height: 26px;
  text-align: left;
  letter-spacing: 5px;
  border-bottom: 1px dotted #999999;
  cursor: pointer;
}
.second_nav .nav_btn_box img {
  width: 8px;
  height: 13px;
  margin-top: 10px;
  vertical-align: top;
  margin-right: 12px;
}
.second_nav .nav_btn_box::after {
  content: "";
  position: absolute;
  bottom: -1px;
  left: 0;
  width: 40px;
  border-bottom: 1px solid #003686;
}
.second_nav .nav_btn_box:hover,
.second_nav .nav_btn_box.checked {
  color: #005cfd;
}
.second_nav .nav_btn_box:hover::after,
.second_nav .nav_btn_box.checked::after {
  border-bottom: 1px solid #005cfd;
  width: 100%;
}
/* 220420 */
.second_nav_float{
  position: absolute;
  bottom: 0;
  left: 50%;
  transform: translate(-50%, 100%);
  -webkit-transform: translate(-50%, 100%);
  -moz-webkit-transform: translate(-50%, 100%);
  display: flex;
  justify-content: center;
  align-content: flex-start;
  padding: 30px 0px;
  background-color: #fff;
  box-shadow: 1px 2px 8px 3px rgba(0, 0, 0, 0.16);
}
.second_nav_list{
  padding: 0px 50px;
  box-sizing: border-box;
  min-width: 200px;
  line-height: 30px;
  font-size: 16px;
  text-align: left;
  color: #333;
  border-right: 1px solid #ddd;
}
.second_nav_list .snf_title{
  font-weight: bold;
}
.second_nav_list:last-of-type{
  border: none;
}
.snf_item:hover{
  color: #3B83FF;
}
/* 220420 over */

.index_box .banner .swiper-slide a{ /* 220526 */
  width: 100%;
}
/* video */
.video {
  padding: 80px 45px;
  box-sizing: border-box;
  background-color: #fff;
}
.video > div {
  display: inline-block;
  vertical-align: middle;
}
.video_left {
  width: 40%;
  margin-right: 50px;
}
.video_titel {
  color: #005cfd;
  font-size: 32px;
  line-height: 45px;
  white-space: nowrap;
  margin-bottom: 36px;
}
.video_titel img {
  margin-left: 15px;
  height: 50px;
  width: auto;
  vertical-align: top;
}
.video_msg {
  color: #2f3640;
  font-size: 21px;
  line-height: 40px;
  letter-spacing: 2px;
}
.video_msg span {
  cursor: pointer;
}
.video_right {
  width: calc(60% - 50px);
  height: 100%;
  align-items: center;
  justify-content: center;
}
.video_right video {
  width: 100%;
}
.video .video_bottom_list {
  display: flex;
  flex-wrap: nowrap;
  align-items: center;
  align-content: center;
  margin-top: 80px;
  width: 100%;
  height: 208px;
  box-shadow: 0px 3px 30px 1px rgba(0, 0, 0, 0.16);
}
.video_bottom_item {
  position: relative;
  flex: 1;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  align-content: center;
  width: 25%;
  height: 100%;
  color: #333;
  cursor: pointer;
}
.video_bottom_item::after {
  content: "";
  position: absolute;
  top: 50%;
  right: -1px;
  transform: translateY(-50%);
  width: 0px;
  height: 100px;
  border-left: 2px solid #e1e1e1;
}
.video_bottom_item:last-of-type::after {
  content: none;
}
.video_bottom_act {
  color: #fff;
  background-color: #3b83ff;
}
.video_bottom_item p {
  margin-bottom: 10px;
  width: 100%;
  text-align: center;
  font-size: 21px;
}
.video_bottom_item p span {
  line-height: 62px;
  font-size: 68px;
  font-weight: bold;
}
/* card */
.card {
  padding: 80px 36px 20px;
  box-sizing: border-box;
}
.card_title {
  display: flex;
  justify-content: center;
  align-items: center;
  align-content: center;
  margin-bottom: 50px;
  color: #005cfd;
  font-size: 32px;
  text-align: center;
}
.card_title span {
  position: relative;
  display: block;
  margin: 0px 30px;
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background-color: #005cfd;
}
.title_line_l::before {
  content: "";
  position: absolute;
  top: 4px;
  right: 10px;
  width: 180px;
  height: 0;
  border: 1px solid #005cfd;
}
.title_line_r::after {
  content: "";
  position: absolute;
  top: 4px;
  left: 10px;
  width: 180px;
  height: 0;
  border: 1px solid #005cfd;
}
.card_nav {
  display: flex;
  justify-content: space-between;
  width: 100%;
  height: 90px;
  box-shadow: 0px 3px 30px 1px rgba(0, 0, 0, 0.16);
}
.card_nav_item {
  position: relative;
  display: flex;
  justify-content: space-between;
  align-items: center;
  align-content: center;
  width: 25%;
  padding: 0px 75px;
  box-sizing: border-box;
  font-size: 27px;
  font-weight: bold;
  color: #333333;
  cursor: pointer;
}
.card_nav_item::after {
  content: "";
  position: absolute;
  top: 50%;
  right: -1px;
  transform: translateY(-50%);
  width: 0px;
  height: 65px;
  border: 1px solid #e1e1e1;
}
.card_nav_item:last-of-type::after {
  content: none;
}
.card_nav_item>span { /* 220420 */
  width: 22px;
  height: 20px;
  background: url("../img/trigon.png") no-repeat;
  background-size: contain;
  background-position: center;
}
.card_nav_selected {
  color: #fff;
  background-color: #3b83ff;
}
.card_nav_selected>span { /* 220420 */
  background: url("../img/trigon_c.png") no-repeat;
  background-size: contain;
  background-position: center;
}
.card_nav_2nd {
  width: 100%;
  min-height: 100px;
  padding: 0px 75px;
  box-sizing: border-box;
  background-color: #fff;
}
.card_nav_2nd span {
  display: inline-block; /* 220420 */
  margin-right: 100px;
  position: relative;
  line-height: 100px;
  font-size: 21px;
  color: #999999;
  cursor: pointer;
}
.card_nav_2nd span:hover{ /* 220519 */
  font-weight: bold;
  color: #3b83ff;
}
.card_nav_2nd span::after { 
  content: "";
  position: absolute;
  top: 50%;
  left: -25px;
  transform: translateY(-50%);
  width: 16px;
  height: 16px;
  border: 2px solid #999999;
  border-radius: 50%;
}
.card_nav_2nd span:hover::after{ /* 220523 */
  border: 3px solid #3b83ff;
}
.card .card_list {
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  margin-top: 36px;
}
.card .card_list .card_item {
  position: relative;
  width: calc(25% - 30px);
  padding-bottom: 127px;
  box-sizing: border-box;
}
.card_img_box { /* 220420 */
  position: relative;
  /* padding: 42px 51px;
  box-sizing: border-box; */
  background-color: #fff;
}
.card .card_list .card_item .card_img_show {
  position: relative;
  overflow: hidden;
}
.card .card_list .card_item .card_img_slide { /* 220420 */
  display: block;
  position: absolute;
  top: 0;
  left: 0;
}
.card_img_slide img:first-of-type {
  margin-bottom: 10px;
}
.card .card_list .card_item .card_name {
  position: absolute;
  left: 0;
  bottom: 85px;
  width: 100%;
  line-height: 30px;
  font-size: 21px;
  color: #999999;
  text-align: center;
}
.card_hover .card_name { /* 220523 */
  color: #3b83ff !important;
}
.card .card_list .card_item .card_btn_box {
  display: none;
}
.card .card_list .card_hover .card_btn_box {
  width: 100%;
  display: flex;
  justify-content: space-between;
  position: absolute;
  left: 0;
  bottom: 25px;
  padding: 0px 51px;
  box-sizing: border-box;
}
.card_btn_box div {
  width: 160px;
  height: 45px;
  font-size: 21px;
  line-height: 45px;
  text-align: center;
  cursor: pointer;
}
.card_btn_service {
  color: #fff;
  background-color: #ff9419;
}
.card_btn_details {
  color: #ff9419;
  border: 1px solid #ff9419;
  box-sizing: border-box;
}

/* advantage */
.advantage {
  margin-bottom: 25px;
  padding: 50px 10% 100px; /* 220427 */
  box-sizing: border-box;
  background: url(../img/advantage_bg.png) no-repeat;
  background-size: cover;
  background-position: center;
}
.adv_title {
  display: flex;
  justify-content: center;
  align-items: center;
  align-content: center;
  color: #ffffff;
  font-size: 32px;
  text-align: center;
}
.adv_title span {
  position: relative;
  display: block;
  margin: 0px 30px;
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background-color: #fff;
}
.adv_title span::before,
.adv_title span::after {
  border: 1px solid #fff;
}
.adv_title_l {
  margin-bottom: 30px; /* 220427 */
  font-size: 27px;
  color: #fff;
  text-align: center;
}
.adv_main > div {
  display: flex;
  justify-content: space-between;
  align-content: flex-start;
  /* background-image: radial-gradient(rgba(255, 255, 255, 1) 0%, rgba(255, 255, 255, 0) 60%, rgba(255, 255, 255, 0) 100%) */
}
.adv_item {
  position: relative;
  width: 33.33%;
  color: #fff;
  padding: 25px 40px;
  box-sizing: border-box;
  cursor: pointer;
}
.up .adv_item::after {
  position: absolute;
  content: "";
  right: 0px;
  top: 0px;
  height: 100%;
  width: 1px;
  background-image: -webkit-linear-gradient(
    transparent 0%,
    rgba(255, 255, 255, 0.5) 70%,
    rgba(255, 255, 255, 0.8)
  );
  background-image: -moz-linear-gradient(
    transparent 0%,
    rgba(255, 255, 255, 0.5) 70%,
    rgba(255, 255, 255, 0.8)
  );
  background-image: -ms-linear-gradient(
    transparent 0%,
    rgba(255, 255, 255, 0.5) 70%,
    rgba(255, 255, 255, 0.8)
  );
  background-image: -o-linear-gradient(
    transparent 0%,
    rgba(255, 255, 255, 0.5) 70%,
    rgba(255, 255, 255, 0.8)
  );
  background-image: linear-gradient(
    transparent 0%,
    rgba(255, 255, 255, 0.5) 70%,
    rgba(255, 255, 255, 0.8)
  );
}
.down .adv_item::after {
  position: absolute;
  content: "";
  right: 0px;
  top: 0px;
  height: 100%;
  width: 1px;
  background-image: -webkit-linear-gradient(
    rgba(255, 255, 255, 0.8),
    rgba(255, 255, 255, 0.7) 30%,
    transparent
  );
  background-image: -moz-linear-gradient(
    rgba(255, 255, 255, 0.8),
    rgba(255, 255, 255, 0.7) 30%,
    transparent
  );
  background-image: -ms-linear-gradient(
    rgba(255, 255, 255, 0.8),
    rgba(255, 255, 255, 0.7) 30%,
    transparent
  );
  background-image: -o-linear-gradient(
    rgba(255, 255, 255, 0.8),
    rgba(255, 255, 255, 0.7) 30%,
    transparent
  );
  background-image: linear-gradient(
    rgba(255, 255, 255, 0.8),
    rgba(255, 255, 255, 0.7) 30%,
    transparent
  );
}
.adv_main > p {
  width: 100%;
  height: 1px;
  background-image: -webkit-linear-gradient(
    90deg,
    rgba(255, 255, 255, 0) 0%,
    rgba(255, 255, 255, 0.7) 30%,
    rgba(255, 255, 255, 0.8) 50%,
    rgba(255, 255, 255, 0.7) 70%,
    rgba(255, 255, 255, 0) 100%
  );
  background-image: -moz-linear-gradient(
    90deg,
    rgba(255, 255, 255, 0) 0%,
    rgba(255, 255, 255, 0.7) 30%,
    rgba(255, 255, 255, 0.8) 50%,
    rgba(255, 255, 255, 0.7) 70%,
    rgba(255, 255, 255, 0) 100%
  );
  background-image: -ms-linear-gradient(
    90deg,
    rgba(255, 255, 255, 0) 0%,
    rgba(255, 255, 255, 0.7) 30%,
    rgba(255, 255, 255, 0.8) 50%,
    rgba(255, 255, 255, 0.7) 70%,
    rgba(255, 255, 255, 0) 100%
  );
  background-image: -o-linear-gradient(
    90deg,
    rgba(255, 255, 255, 0) 0%,
    rgba(255, 255, 255, 0.7) 30%,
    rgba(255, 255, 255, 0.8) 50%,
    rgba(255, 255, 255, 0.7) 70%,
    rgba(255, 255, 255, 0) 100%
  );
  background-image: linear-gradient(
    90deg,
    rgba(255, 255, 255, 0) 0%,
    rgba(255, 255, 255, 0.7) 30%,
    rgba(255, 255, 255, 0.8) 50%,
    rgba(255, 255, 255, 0.7) 70%,
    rgba(255, 255, 255, 0) 100%
  );
}
.adv_item:hover {
  text-align: center;
  color: #333;
  background-image: linear-gradient(to left, #c2e59c, #64b3f4);
}
.adv_item:last-of-type::after {
  content: none;
}
.adv_item_p1 {
  font-size: 32px;
}
.adv_item_p2 {
  font-size: 27px;
  margin-bottom: 15px;
}
.adv_item_p3 {
  font-size: 21px;
  margin-bottom: 5px;
}
/* call_number */
.call_number {
  position: relative;
  margin-bottom: 60px;
  color: #fff;
}
.call_number > div {
  position: absolute;
  top: 0;
  left: 0;
  display: flex;
  justify-content: space-around;
  align-content: center;
  align-items: center;
  width: 100%;
  height: 100%;
}
.call_left p:first-of-type {
  font-size: 32px;
}
.call_left p:last-of-type {
  font-size: 21px;
}
.call_right {
  display: flex;
  flex-wrap: nowrap;
}
.call_right div:first-of-type {
  margin-right: 12px;
  width: 80px;
  /* height: 104px; */
}
.call_right p:first-of-type {
  font-size: 21px;
}
.call_right p:last-of-type {
  font-size: 42px;
}
/* brand */
.brand_title {
  display: flex;
  justify-content: center;
  align-items: center;
  align-content: center;
  color: #005cfd;
  font-size: 32px;
  text-align: center;
}
.brand_title span {
  position: relative;
  display: block;
  margin: 0px 30px;
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background-color: #005cfd;
}
.brand_title_l {
  margin-bottom: 30px;
  color: #999999;
  font-size: 27px;
  text-align: center;
}
.brand_main {
  position: relative;
  display: flex;
  background: url(../img/brand_bg.png) no-repeat;
  background-size: cover;
  background-position: center;
}
.brand_left {
  position: relative;
  width: 42%;
  height: 830px;
  /* background: url(../img/brand_left1.png) no-repeat;
  background-size: cover;
  background-position: center; */
}
.brand_right {
  position: relative;
  width: 58%;
  height: 830px;
  /* background: url(../img/brand_right1.png) no-repeat;
  background-size: cover;
  background-position: center; */
}
.brand_main > div img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}
.brand_advant_list {
  position: absolute;
  top: 72px;
  left: 45%;
  transform: translateX(-50%);
}
.brand_advant_item {
  margin-bottom: 40px;
  cursor: pointer;
}
.balist_icon {
  position: relative;
  display: inline-block;
  vertical-align: middle;
  width: 36px;
  height: 36px;
  margin-right: 20px;
}
.balist_icon span {
  display: block;
  width: 100%;
  height: 100%;
  background-color: #fff;
  transform: rotate(45deg);
}
.balist_icon i {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  text-decoration: none;
  font-style: normal;
  font-size: 21px;
  line-height: 21px;
  color: #003686;
}
.brand_advant_item.checked .balist_icon span {
  background-color: #ff9419;
}
.brand_advant_item.checked .balist_icon i {
  color: #fff;
}
.brand_advant_item div {
  position: relative;
  display: inline-block;
  font-size: 32px;
  line-height: 32px;
  color: #fff;
  vertical-align: top;
}
.brand_advant_item.checked div:after {
  content: "";
  position: absolute;
  bottom: -10px;
  right: 0;
  width: 100%;
  height: 0;
  border-bottom: 1px solid #ff9419;
}
.float_text {
  position: absolute;
  bottom: 0px;
  left: 12%;
  /* transform: translateX(-50%); */
  width: 750px;
  height: 380px;
  background-color: #fff;
}
.float_text_swiperbox {
  overflow: hidden;
  width: 100%;
  height: 100%;
}
.float_text_list {
  display: flex;
  flex-wrap: nowrap;
  position: absolute;
  top: 0;
  left: 0;
  width: 400%;
  height: 100%;
}
.float_text_item {
  width: 25%;
  padding: 20px 40px 0px;
  box-sizing: border-box;
}
.float_text_item .float_text_title {
  margin-bottom: 20px;
  font-size: 32px;
  color: #333;
  padding-left: 28px;
  padding-bottom: 10px;
  box-sizing: border-box;
  border-bottom: 1px solid #999;
}
.float_text_item .float_text_title span {
  font-size: 27px;
}
.float_text_item p {
  margin-bottom: 10px;
  padding-left: 40px;
  position: relative;
  font-size: 21px;
  color: #333;
}
.float_text_item p::after {
  content: "";
  position: absolute;
  top: 5px;
  left: 0px;
  width: 30px;
  height: 30px;
  background: url(../img/gou.png) no-repeat;
  background-size: contain;
  background-position: center;
}
.pagebtn_box {
  position: absolute;
  right: 0;
  bottom: 0;
  transform: translateX(50%);
  display: flex;
  width: 132px;
  height: 66px;
  z-index: 99;
}
.pagebtn_box div {
  padding-top: 25px;
  box-sizing: border-box;
  width: 66px;
  height: 66px;
  text-align: center;
  cursor: pointer;
}
.pagebtn_box .right_btn {
  background-color: #005cfd;
}
.pagebtn_box .left_btn {
  background-color: #3b83ff;
}
.pagebtn_box div img {
  width: 33px;
  height: 22px;
}
/* partner */
.partner {
  padding-top: 80px;
  padding-bottom: 56px;
  background-color: #ebebeb;
}
.partner_title {
  display: flex;
  justify-content: center;
  align-items: center;
  align-content: center;
  color: #005cfd;
  font-size: 32px;
  text-align: center;
}
.partner_title span {
  position: relative;
  display: block;
  margin: 0px 30px;
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background-color: #005cfd;
}
.partner_title_l {
  margin-bottom: 30px;
  color: #999999;
  font-size: 27px;
  text-align: center;
}
.partner_main {
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
}
.partner_main div {
  max-width: calc(16.6% - 16px);
  margin-right: 20px;
  margin-bottom: 20px;
}
.partner_main div:nth-child(6n) {
  margin-right: 0;
}
/* news */
.news {
  padding: 80px 30px 0px;
  background-color: #f6f6f6;
}
.news_title {
  display: flex;
  justify-content: center;
  align-items: center;
  align-content: center;
  color: #005cfd;
  font-size: 32px;
  text-align: center;
}
.news_title span {
  position: relative;
  display: block;
  margin: 0px 30px;
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background-color: #005cfd;
}
.news_title_l {
  margin-bottom: 30px;
  color: #999999;
  font-size: 30px;
  text-align: center;
}
.news_tabber {
  position: relative;
  display: flex;
  flex-wrap: nowrap;
  border-bottom: 1px solid #e1e1e1;
  margin-bottom: 20px;
}
.news_tabber_item {
  margin: 0 30px;
  height: 78px;
  line-height: 78px;
  text-align: center;
  font-size: 27px;
  color: #333333;
  cursor: pointer;
}
.news_tabber_item.selected {
  position: relative;
  color: #3b83ff;
}
.news_tabber_item.selected::after {
  content: "";
  position: absolute;
  bottom: 0px;
  left: 0;
  width: 100%;
  height: 0;
  border-bottom: 2px solid #3b83ff;
}
.news_tabber_more {
  position: absolute;
  top: 0px;
  right: 0px;
  width: 250px;
  height: 78px;
  line-height: 78px;
  font-size: 27px;
  text-align: center;
  color: #fff;
  background-color: #3b83ff;
  cursor: pointer;
}
.news_tabber_more img {
  width: 22.5px;
  height: 22.5px;
  margin-top: 25px;
}
/* 220519 */
.news .news_tabber {
  margin-bottom: 30px;
}
.news .news_list {
  display: flex;
  align-items: flex-start;
  flex-wrap: wrap;
}
.news .news_list .item {
  position: relative;
  margin-bottom: 30px;
  margin-right: 30px;
  padding: 30px;
  box-sizing: border-box;
  width: calc(33.33% - 20px);
  border-top: 5px solid transparent;
  cursor: pointer;
}
.news .news_list .item:nth-of-type(3n){
  margin-right: 0;
}
.news .news_list .item img {
  margin-bottom: 18px;
  height: 320px;
  object-fit: cover;
}
.news .news_list .item:hover {
  border-top: 5px solid #3b83ff;
  background-color: #fff;
}
/* 220531 */
.news .news_list .item p {
  font-size: 21px;
  font-weight: 300;
  color: #333;
}
.news .news_list .item .title {
  font-size: 24px;
  display: -webkit-box;
  -webkit-box-orient: vertical;
  -webkit-line-clamp: 2;
  overflow: hidden;
  height: 65px;
}.news .news_list .item:hover .title{
  font-weight: bold;
  color: #3b83ff;
}
.news .news_list .item .content {
  margin-bottom: 90px;
  display: -webkit-box;
  -webkit-box-orient: vertical;
  -webkit-line-clamp: 3;
  overflow: hidden;
}
.news .news_list .item .more {
  position: absolute;
  bottom: 30px;
  right: 30px;
  width: 250px;
  height: 70px;
  line-height: 70px;
  font-size: 21px;
  text-align: center;
  color: #3b83ff;
  cursor: pointer;
  z-index: 2;
}
/* 220531 over */
.news .news_list .item:hover .more {
  color: #fff; 
  background-color: #3b83ff;
}
/* 220519 over */

/* contact_float 220530 */
.contact_float{
  position: fixed;
  right: 0;
  top: 200px;
  width: 50px;
  z-index: 99;
}
.contact_float .item{
  position: relative;
  padding: 0 10px;
  box-sizing: border-box;
  width: 50px;
  height: 50px;
  overflow: hidden;
  display: flex;
  align-items: center;
  float: right;
  margin-bottom: 2px;
  background-color: rgba(0, 0, 0, 0.45);
  cursor: pointer;
}
.contact_float .item:hover{
  width: auto;
  overflow: initial;
}
.contact_float .item>div>img{
  width: 30px;
}
.contact_float .item span{
  font-size: 14px;
  color: #fff;
  white-space: nowrap;
  margin-left: 10px;
}
.contact_float .item.pop .show_box{
  position: absolute;
  left: -10px;
  bottom: 0;
  transform: translateX(-100%);
  -webkit-transform: translateX(-100%);
  -moz-transform: translateX(-100%);
  padding: 10px;
  box-sizing: border-box;
  background-color: rgba(255, 255, 255, 0.8);
}
.contact_float .item.pop .show_box img{
  width: 80px;
  height: 80px;
}
.contact_float .item.pop .show_box p{
  font-size: 14px;
  white-space: nowrap;
  text-align: center;
}
.contact_float .item.pop .show_box .num{
  font-size: 18px;
  color: #005393;
  margin-bottom: 10px;
}
/* 220530 over */

/* bottom */
.bottom {
  background-color: #005cfd;
}
.bottom_nav { /* 220602 */
  padding: 60px 120px 0px; 
  box-sizing: border-box;
  margin: 0 auto;
  display: flex;
  flex-wrap: nowrap;
  justify-content: space-between;
}
.bottom_nav_list {
  color: #fff;
}
.bottom_nav_list.duiqi{ /* 220607 */
  width: 600px;
}
.bottom_nav_title {
  margin-bottom: 42px;
  font-size: 27px;
  line-height: 27px;
}
.bottom_nav_item {
  margin-bottom: 10px;
  line-height: 21px;
  font-size: 21px;
  font-weight: 200;
  cursor: pointer;
}
/* 220602 */
.blogroll{
  padding: 0 120px 15px;
  box-sizing: border-box;
  margin-top: 20px;
  line-height: 60px;
  font-size: 16px;
  color: #fff;
  background-color: #307bfd;
}
.blogroll a{
  margin-right: 15px;
  text-decoration: underline;
}
.blogroll span{
  float: right;
}
.bottom .blogroll p span{ /* 220607 */
  width: 600px;
}
/* 220602 over */

/* ------------ classify -----------*/
.classify_banner {
  margin-bottom: 64px;
  width: 100%;
}
/* 左侧导航 */
.classify_left {
  margin-right: 28px;
  margin-bottom: 92px;
  display: inline-block;
  vertical-align: top;
  width: 300px;
}
.classify_left.float {
  position: fixed;
  left: 135px;
  top: 214px;
}
.classify_left .title {
  width: 100%;
  height: 100px;
  line-height: 100px;
  text-align: center;
  font-size: 27px;
  font-weight: bold;
  color: #fff;
  background-color: #005cfd;
}
.classify_nav {
  background-color: #fff;
}
.classify_nav_list {
  margin-bottom: 2px;
  width: 100%;
  height: 68px;
  overflow: hidden;
  background-color: #fff;
}
.classify_nav_list.op {
  height: auto;
  overflow: inherit;
}
.classify_nav_item {
  position: relative; /* 220424 */
  margin-bottom: 2px;
  padding: 0px 28px;
  box-sizing: border-box;
  height: 68px;
  line-height: 68px;
  font-size: 21px;
  color: #666666;
  background-color: #ededed;
  text-indent: 1em;
}
.classify_nav_item:hover {
  color: #fff;
  background-color: #007aff; /* 220420 */
}
.classify_nav_item:nth-child(1) {
  text-indent: 0;
}
.classify_nav_list.op .classify_nav_item:nth-child(1) {
  color: #fff;
  background-color: #007aff; /* 220420 */
}
/* 220424 */
.classify_nav_item>a{
  display: block;
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  padding: 0px 28px;
  box-sizing: border-box;
}
/* 220424 over */
.classify_nav_item span {
  display: block;
  margin-top: 24px;
  width: 20px;
  height: 20px;
  float: right;
  background: url(../img/classify_to.png) no-repeat;
  background-size: contain;
  background-position: center;
}
.classify_nav_item:nth-child(1) span {
  background: url(../img/add.png) no-repeat;
  background-size: contain;
  background-position: center;
}
.classify_nav_list.op .classify_nav_item:nth-child(1) span {
  background: url(../img/minus.png) no-repeat;
  background-size: contain;
  background-position: center;
}
.classify_left .contact {
  padding-top: 15px;
  box-sizing: border-box;
  height: 106px;
  text-align: center;
  color: #fff;
  background-color: #005cfd;
}
.classify_left .contact div {
  margin-bottom: 5px;
  font-size: 20px;
  line-height: 30px;
}
.classify_left .contact div img {
  width: 30px;
  height: 30px;
  vertical-align: middle;
}
.classify_left .contact p {
  font-size: 34px;
  line-height: 34px;
}
/* 产品展示 */
.classify_right {
  display: inline-block;
  width: calc(100% - 330px);
}
.classify_right .title {
  border-bottom: 1px solid #e1e1e1;
}
.classify_right .title span {
  display: block;
  padding-top: 35px;
  box-sizing: border-box;
  width: 246px;
  height: 100px;
  font-size: 27px;
  color: #e0a21d;
  border-bottom: 2px solid #e0a21d;
}
.display_card_list {
  display: flex;
  justify-content: flex-start; /* 220429 */
  flex-wrap: wrap;
  padding-top: 16px;
  box-sizing: border-box;
}
/* 220427 over */
.display_card_item {
  position: relative;
  margin-bottom: 109px;
  margin-right: 12px; /* 220429 */
  width: calc(33.33% - 12px);
  /* border: 1px solid #4d4949; */
  border: 1px solid #dedede;
  padding: 38px 47px;
  box-sizing: border-box;
}
.display_card_item:hover{
  border: 1px solid #0079dc;
}
.display_card_name {
  position: absolute;
  bottom: -56px;
  left: 50%;
  transform: translateX(-50%);
  width: 100%;
  text-align: center;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  font-size: 21px;
  color: #333;
  cursor: pointer;
}
.display_card_name:hover {
  color: #0079dc;
}
/* 220427 over */
.classify_paging {
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
  margin-top: 27px;
  margin-bottom: 96px;
  width: 100%;
  text-align: center;
}
.classify_paging span {
  display: inline-block;
  width: 56px;
  height: 45px;
  line-height: 45px;
  font-size: 26px;
  color: #005cfd;
  margin: 0 5px;
  text-align: center;
  cursor: pointer;
}
.classify_paging .page_num.selected {
  color: #fff;
  background-color: #005cfd;
}
.classify_paging .up_page,
.classify_paging .down_page {
  width: 116px;
}
.classify_paging .first_page,
.classify_paging .last_page {
  width: 90px;
}
/* --------------- PCcard -------------- */
.pc_dateils {
  margin-bottom: 64px;
  padding: 93px 50px 0px;
  box-sizing: border-box;
}
.pc_dateils > div {
  display: inline-block;
}
.pc_dateils_img {
  margin-right: 28px;
  width: 40%;
  vertical-align: top;
}
/* 220420 */
.pc_dateils_img .main_img {
  position: relative;
  width: 100%;
  height: 0;
  margin-bottom: 44px;
  border-radius: 20px;
  padding-top: 65%;
}
.pc_dateils_img .main_img img{
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  object-fit: contain;
}
.pc_dateils_img .thumbnail_list {
  width: 100%;
}
/* .pc_dateils_img .thumbnail_list div {
  width: calc(25% - 14px);
} */
/* 220420 over */
.pc_dateils_msg {
  width: calc(60% - 30px);
}
.pc_dateils_msg .msg_title {
  margin-bottom: 5px;
  font-size: 32px;
  font-weight: bold;
}
.pc_dateils_msg .msg_title span {
  color: #3b83ff;
}
.pc_dateils_msg > p {
  font-size: 26px;
  margin-bottom: 5px;
}
.pc_dateils_msg .msg_bottom {
  margin-top: 16px;
  display: flex;
  justify-content: space-between;
}
.pc_dateils_msg .msg_bottom > div {
  width: 404px;
}
.pc_dateils_msg .msg_left .title,
.pc_dateils_msg .msg_right .title {
  margin-bottom: 20px; /* 220420 */
  font-size: 26px;
  font-weight: bold;
  color: #3b83ff;
}
.pc_dateils_msg .msg_bottom p {
  height: 45px;
  line-height: 45px;
  font-size: 26px;
  border-bottom: 1px solid #d4d4d4;
}
.pc_dateils_msg .msg_bottom p:first-of-type {
  border-top: 1px solid #d4d4d4;
}
.pc_dateils_msg .msg_left p::before {
  content: "";
  display: inline-block;
  width: 10px;
  height: 10px;
  vertical-align: top;
  margin-top: 18px;
  margin-right: 12px;
  background-color: #ffb521;
}
/* 220420 */
.pc_dateils_msg .msg_right p {
  text-align: center;
  position: relative;
}
.pc_dateils_msg .msg_right p span:first-of-type{
  position: absolute;
  left: 0;
}
.pc_dateils_msg .msg_right p span:nth-of-type(3){
  position: absolute;
  right: 0;
}
/* 220420 over */

/* 芯片类型 */
.pc_need .title_block, .pc_diagram .title_block { /* 220420 */
  padding-left: 64px;
  box-sizing: border-box;
  width: 100%;
  height: 98px;
  line-height: 98px;
  font-size: 30px;
  color: #fff;
  background-color: #005cfd;
}
.pc_need_main {
  padding: 0px 64px 64px;
  box-sizing: border-box;
  display: flex;
  justify-content: space-between;
  background-color: #f7f7f7;
}
.pc_need .need_left,
.pc_need .need_right {
  width: calc(50% - 50px);
}
.pc_need .nl_title { /* 220427 */
  margin-top: 32px;
  margin-bottom: 5px;
  padding-bottom: 10px;
  font-size: 27px;
  font-weight: bold;
  color: #3b83ff;
  border-bottom: 1px solid #d2d2d2;
}
.pc_need .nl_item {
  position: relative;
  padding-left: 24px;
  box-sizing: border-box;
  width: 100%;
  min-height: 40px;
  font-size: 21px;
  border-bottom: 1px solid #d2d2d2;
}
.pc_need .nl_item::before {
  content: "";
  position: absolute;
  top: 13px;
  left: 0px;
  width: 12px;
  height: 12px;
  background-color: #ffb521;
  border-radius: 50%;
}
.pc_need .nl_item p {
  width: calc(100% - 270px); /* 220424 */
}
.pc_need .nl_item span {
  display: block;
  position: absolute;
  right: 0px;
  top: 50%;
  -webkit-transform: translateY(-50%);
  -moz-transform: translateY(-50%);
  transform: translateY(-50%);
  width: 270px; /* 220424 */
}
/* 产品图片 */
.pc_diagram {
  margin-bottom: 64px;
}
.pc_diagram img,
.pc_diagram div {
  width: 50%;
}
.pc_diagram .video_box {
  position: relative;
  display: inline-block;
  padding-top: 39%; /* 按宽高比例用padding控制高度 */
  height: 0;
}
.pc_diagram .video_box video {
  position: absolute;
  width: 100%;
  height: auto;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
}
/* 相关推荐 */
.pc_relevant {
  padding: 0px 63px;
  box-sizing: border-box;
}
.public_title {
  margin-bottom: 55px;
  font-size: 42px;
  color: #333333;
}
.public_title::before {
  content: "";
  margin-right: 14px;
  margin-top: 16px;
  vertical-align: top;
  display: inline-block;
  width: 10px;
  height: 42px;
  background-color: #3b83ff;
  border-radius: 0px 10px 10px 0px;
}
.public_title.noicon{
  font-size: 49px;
}
.public_title.noicon::before {
  content: none;
}
.pc_relevant .card_list {
  display: flex;
  justify-content: space-around;
}
.pc_relevant .card_item {
  position: relative;
  margin-bottom: 250px;
  width: 460px;
  cursor: pointer;
}
.pc_relevant .card_item .card_name {
  position: absolute;
  bottom: -160px;
  left: 50%;
  transform: translateX(-50%);
  width: 548px;
  height: 90px;
  line-height: 90px;
  text-align: center;
  font-size: 32px;
  color: #333333;
  background-color: #e9e9e9;
  border-radius: 45px;
  box-shadow: 0px 3px 6px 1px rgba(0, 0, 0, 0.16);
}
/* ----------- DIYcard ---------- */
.DIY_banner {
  padding-left: 153px;
  /* padding-top: 356px; */
  padding-top: 18.5%;
  padding-bottom: 175px;
  box-sizing: border-box;
  background-color: #005cfd;
}
.DIY_banner_title {
  margin-bottom: 112px;

  width: 541px;
  height: 103px;
  line-height: 103px;
  font-size: 58px;
  font-weight: bold;
  color: #fff;
  background-color: rgba(145, 178, 236, 0.44);
}
.DIY_banner p {
  margin-bottom: 30px;
  max-width: 960px;
  font-size: 28px;
  color: #fff;
}
.DIY_banner_slide {
  position: relative;
  margin-top: 113px;
  margin-bottom: 175px;
  width: 250px;
  height: 68px;
  border: 2px solid #fff;
  border-radius: 34px;
  box-sizing: border-box;
  cursor: pointer;
}
.slide_block {
  position: absolute;
  top: -2px;
  left: 0px;
  width: 140px;
  height: 68px;
  background-color: #e0a21d;
  border-radius: 34px;
}
.DIY_banner_slide span {
  position: absolute;
  top: -2px;
  left: 0px;
  width: 100%;
  line-height: 68px;
  text-align: center;
  font-size: 24px;
  color: #fff;
}
/* ---------- .DIY_main --------- */
.DIY_main {
  max-width: 1550px;
  margin: 0 auto;
  padding: 80px 38px 0px;
  box-sizing: border-box;
}
.DIY_main .title_text {
  margin-bottom: 48px;
  font-size: 32px;
  font-weight: bold;
  color: #333;
}
.DIY_main > p {
  margin-bottom: 48px;
  font-size: 28px;
  color: #333;
}
.DIY_main .legend_caption {
  display: flex;
  justify-content: space-between;
  margin-bottom: 50px;
}
.DIY_main .lc_num {
  display: flex;
  flex-wrap: wrap;
  align-content: center;
  /* align-items: center; */
  flex: 0 0 24%;
  width: 24%;
  text-align: center;
  background-color: #d6d6d6;
}
.DIY_main .lc_num p:nth-of-type(1) {
  width: 100%;
  font-size: 70px;
  color: #333;
}
.DIY_main .lc_num p:nth-of-type(2) {
  width: 100%;
  font-size: 32px;
  color: #333;
}
.DIY_main .lc_img {
  flex: 0 0 40%;
  width: 40%;
}
.DIY_main .lc_msg {
  display: flex;
  flex-wrap: wrap;
  align-content: space-around;
  padding-left: 52px;
  padding-right: 10px;
  box-sizing: border-box;
  font-size: 30px;
  color: #333;
}
.DIY_main .lc_msg.mini {
  font-size: 22px;
}
.DIY_main .lc_msg p {
  position: relative;
  width: 100%;
}
.DIY_main .lc_msg p::before {
  content: "";
  position: absolute;
  top: 18px;
  left: -16px;
  width: 8px;
  height: 8px;
  background-color: #333;
  border-radius: 50%;
  overflow: hidden;
}
.DIY_main .lc_msg.mini p::before {
  top: 12px;
}
.DIY_main .img_display_list {
  display: flex;
  justify-content: space-between;
  margin-bottom: 80px;
}
.DIY_main .img_display_list img {
  width: calc(25% - 15px);
}
.DIY_main .img_display_list.key img {
  width: calc(20% - 12px);
}
/* ---------- call_us ---------- */
.cu_main {
  padding: 0px 44px;
  box-sizing: border-box;
}
.cu_nav {
  margin: 64px 0px;
  display: flex;
}
.cu_nav div {
  margin-right: 32px;
  width: 220px;
  height: 68px;
  line-height: 68px;
  text-align: center;
  font-size: 26px;
  color: #333;
  background-color: #ededed;
  cursor: pointer;
}
.cu_nav .checked,
.cu_nav div:hover {
  color: #fff;
  background-color: #005cfd;
}
.cu_tips {
  margin-bottom: 64px;
  font-size: 26px;
  color: #666;
}
.cu_tips span {
  color: #ff6516;
}
.phone_number {
  margin-bottom: 40px;
  display: flex;
  justify-content: space-between;
  font-size: 26px;
  color: #333;
}
.phone_number div {
  line-height: 36px;
}
.phone_number span {
  vertical-align: top;
  font-size: 36px;
}
.number_form {
  display: flex;
  justify-content: space-between;
  font-size: 26px;
  line-height: 66px;
  color: #333;
}
.number_form > div {
  display: flex;
  justify-content: space-between;
  align-content: start;
  flex-wrap: wrap;
}
.number_form .left {
  margin-right: 36px;
  width: calc(60% - 36px);
}
.number_form .right {
  width: 40%;
}
.number_form .keyname {
  margin-right: 12px;
  margin-bottom: 12px;
  flex: 0 0 204px;
  width: 204px;
  height: 66px;
  text-align: center;
  background-color: #f7f7f7;
}
.number_form .content {
  margin-bottom: 12px;
  padding: 0px 50px;
  box-sizing: border-box;
  width: calc(100% - 216px);
  min-height: 66px;
  background-color: #f7f7f7;
}
.number_form .content i {
  display: inline-block;
  margin: 18px 35px 0px;
  vertical-align: top;
  width: 0;
  height: 30px;
  border: 1px solid #999999;
}
.number_form .content img {
  vertical-align: middle;
  width: 26px;
  height: 30px;
}
.number_form .content span {
  color: #005cfd;
  text-decoration: underline;
}
.dotted {
  margin: 64px 0px;
  width: 100%;
  border-bottom: 1px dotted #999999;
}
.map {
  margin-bottom: 128px;
}

.cu_tab_main .title {
  margin: 0px auto;
  width: 70%;
  height: 110px;
  line-height: 110px;
  font-size: 32px;
  text-align: center;
  color: #fff;
  background-color: #e0a21d;
}
.cu_tab_main .cu_form {
  margin: 0px auto 128px;
  padding: 30px 32px 128px;
  box-sizing: border-box;
  width: 70%;
  border: 1px solid #999999;
  border-top: none;
  box-sizing: border-box;
}
.cu_tab_main .form_item {
  display: flex;
  align-items: center;
  align-content: center;
  margin-bottom: 27px;
}
.cu_tab_main .form_item.area {
  align-items: flex-start;
  align-content: flex-start;
}
.cu_tab_main .form_keyname {
  flex: 0 0 130px;
  width: 130px;
  font-size: 26px;
  color: #333333;
}
.cu_tab_main .input_box {
  padding: 12px 26px;
  box-sizing: border-box;
  width: calc(100% - 130px);
  height: 60px;
  border: 1px solid #666666;
}
.cu_tab_main .area .input_box {
  height: auto;
}
.cu_tab_main .area textarea {
  width: 100%;
  height: 150px;
  font-size: 26px;
  font-family: "";
  color: #333;
  resize: none;
}
.cu_tab_main .input_box input {
  width: 100%;
  height: 100%;
  font-size: 26px;
  color: #333;
}
.cu_tab_main .submit {
  float: right;
  width: 228px;
  height: 68px;
  line-height: 68px;
  font-size: 26px;
  text-align: center;
  color: #fff;
  background-color: #e0a21d;
  cursor: pointer;
}
.cu_tab_main .submit_tips {
  float: right;
  text-align: right;
  font-size: 26px;
  color: #e0a21d;
}
/* ---------- about_us --------- */
/* 220420 */
.about_banner {
  position: relative;
  width: 100%;
  background-color: #3b83ff;
  text-align: center;
}
.video_mask{ /* 220427 */
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  /* background-image: linear-gradient(to top, rgba(59, 131, 255, 0.8) 0%, rgba(59, 131, 255, 0) 20%); 220425 */
  background-color: rgba(5, 57, 132, 0.5);
  z-index: 9;
}
.au_banner_video {
  width: 100%;
  /* max-width: 1200px; */
}
/* 220420 over */
.about_main {
}
.about_nav {
  margin: 64px 0px;
  padding-left: 91px;
  box-sizing: border-box;
  display: flex;
}
.about_nav div {
  margin-right: 32px;
  width: 220px;
  height: 68px;
  line-height: 68px;
  text-align: center;
  font-size: 26px;
  cursor: pointer;
}
.about_nav div a {
  display: block;
  width: 100%;
  height: 100%;
  color: #333;
  background-color: #ededed;
}
.about_nav .checked a,
.about_nav div:hover a {
  color: #fff;
  background-color: #005cfd;
}
/* 关于展丰 */
.about_zf {
  position: relative;
  margin-bottom: 64px;
  padding: 0px 64px;
  box-sizing: border-box;
}
.about_zf_bottom {
  display: flex;
  justify-content: space-between;
  position: absolute;
  bottom: 0;
  left: 50%;
  transform: translateX(-50%);
  width: calc(100% - 128px);
  height: 216px;
  background-color: rgba(255, 255, 255, 0.7);
}
.about_zf_bottom > div {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  align-content: center;
  align-items: center;
  padding: 0px 30px;
  box-sizing: border-box;
  width: 33.33%;
  font-size: 26px;
  text-align: center;
}
.about_zf_bottom .num {
  position: relative;
  margin-bottom: 14px;
  padding-bottom: 16px;
  box-sizing: border-box;
  font-size: 52px;
}
.about_zf_bottom .num::after {
  content: "";
  position: absolute;
  bottom: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 191px;
  height: 0;
  border-bottom: 2px solid #333333;
}
.about_zf_bottom div p{
  width: 100%;
}
.about_text {
  margin-bottom: 64px;
  padding: 0px 72px;
  box-sizing: border-box;
  font-size: 36px;
  color: #333;
  text-indent: 2em;
}
/* 公司环境 */
.environment {
  padding-top: 64px;
  background-color: #005cfd; /* 220420 */
}
.evm_tabber {
  position: relative;
  margin: 0 auto 57px;
  display: flex;
  justify-content: center;
  width: calc(100% - 322px);
}
.evm_tabber::after {
  content: "";
  position: absolute;
  bottom: 0;
  left: 0;
  width: 100%;
  height: 8px;
  border-radius: 4px;
  background-color: #e1e1e1;
}
.evm_tabber .evm_tab_item {
  position: relative;
  padding-bottom: 27px;
  width: 33.33%;
  font-size: 36px;
  text-align: center;
  color: #999;
  cursor: pointer;
}
.evm_tabber .evm_tab_item.checked,
.evm_tabber .evm_tab_item:hover {
  color: #3b83ff;
}
.evm_tabber .evm_tab_item.checked::after,
.evm_tabber .evm_tab_item:hover::after {
  content: "";
  position: absolute;
  bottom: 0;
  left: 0;
  width: 100%;
  height: 8px;
  border-radius: 4px;
  background-color: #3b83ff;
  z-index: 2;
}
/* 220420 */
.evm_main {
  padding: 0px 44px 40px;
  box-sizing: border-box;
  display: flex;
  justify-content: space-between;
  align-content: flex-start;
  align-items: flex-start;
  flex-wrap: wrap;
}
.evm_main .evm_item {
  position: relative;
  margin-bottom: 19px;
  width: calc(33.33% - 13px);
  height: 0;
  padding-top: 33.33%;
}
.evm_main .evm_item img{
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
}
.evm_item .evm_item_bottom {
  position: absolute;
  bottom: 20px;
  left: 50%;
  transform: translateX(-50%);
  -webkit-transform: translateX(-50%);
  -moz-transform: translateX(-50%);
  width: 80%;
  height: 60px;
  line-height: 60px;
  text-align: center;
  font-size: 26px;
  color: #fff;
  border: 5px solid #fff;
  background-color: rgba(39, 39, 39, 0.5);
}
/* 220420 over */
/* 发展历程 */
.course {
  padding-top: 64px;
}
/* 资质认证 */
.certificate {
  padding-top: 64px;
  background-color: #f7f7f7;
}
.slideshow {
  margin-bottom: 128px;
}
.slideshow .swiper {
  /* padding: 10.5% 0; */ /* 220607 */
}
.slideshow .swiper-slide {
  width: 100%;
  background-color: #f7f7f7;
}
.slideshow .swiper-slide.swiper-slide-active {
  background-color: transparent;
}
.slideshow .swiper-slide .slide_img_list {
  display: flex;
  justify-content: space-between;
  align-items: center;
}
.slideshow .swiper-slide img {
  width: calc(25% - 32px);
}
.slideshow .swiper-slide .img_mask {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  opacity: 0.5;
  background-color: #f7f7f7;
}
.slideshow .swiper-slide.swiper-slide-active .img_mask {
  opacity: 0;
}
/* ------------- news ------------ */
.news_box {
  background-color: #f7f7f7;
}
.news_main {
  padding: 0 64px;
  box-sizing: border-box;
}
.news_nav {
  margin: 64px 0px;
  display: flex;
}
.news_nav div {
  margin-right: 32px;
  width: 220px;
  height: 68px;
  line-height: 68px;
  text-align: center;
  font-size: 27px;
  cursor: pointer;
}
.news_nav div a {
  display: block;
  width: 100%;
  height: 100%;
  color: #333;
  background-color: #ededed;
}
.news_nav .checked a,
.news_nav div:hover a {
  color: #fff;
  background-color: #005cfd;
}
/* 220519 over */
.news_main .list {
  display: flex;
  align-items: flex-start;
  flex-wrap: wrap;
}
.news_main .list .item {
  position: relative;
  margin-bottom: 30px;
  margin-right: 30px;
  padding: 30px;
  box-sizing: border-box;
  width: calc(33.33% - 20px);
  border-top: 5px solid transparent;
  cursor: pointer;
}
.news_main .list .item:nth-of-type(3n){
  margin-right: 0;
}
.news_main .list .item img {
  margin-bottom: 18px;
  height: 320px;
  object-fit: cover;
}
.news_main .list .item:hover {
  border-top: 5px solid #3b83ff;
  background-color: #fff;
}
/* 220523 */
.news_main .list .item p {
  font-size: 21px;
  font-weight: 300;
  color: #333;
}
.news_main .list .item .title {
  font-size: 24px;
  font-weight: bold;
  display: -webkit-box;
  -webkit-box-orient: vertical;
  -webkit-line-clamp: 2;
  overflow: hidden;
  height: 65px;
}.news_main .list .item:hover .title{
  color: #3b83ff;
}
.news_main .list .item .content {
  margin-bottom: 90px;
  display: -webkit-box;
  -webkit-box-orient: vertical;
  -webkit-line-clamp: 3;
  overflow: hidden;
}
.news_main .list .item .more {
  position: absolute;
  bottom: 30px;
  right: 30px;
  width: 250px;
  height: 70px;
  line-height: 70px;
  font-size: 21px;
  text-align: center;
  color: #3b83ff;
  cursor: pointer;
  z-index: 2;
}
/* 220523 over */
.news_main .list .item:hover .more {
  color: #fff; 
  background-color: #3b83ff;
}
/* 220519 over */
.news_paging {
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
  margin-top: 27px;
  margin-bottom: 96px;
  width: 100%;
  text-align: center;
}
.news_paging span {
  display: inline-block;
  width: 56px;
  height: 45px;
  line-height: 45px;
  font-size: 26px;
  color: #005cfd;
  margin: 0 5px;
  text-align: center;
  cursor: pointer;
}
.news_paging .page_num.selected {
  color: #fff;
  background-color: #005cfd;
}
.news_paging .up_page,
.news_paging .down_page {
  width: 116px;
}
.news_paging .first_page,
.news_paging .last_page {
  width: 90px;
}
.news_paging .total {
  width: auto;
  color: #666666;
  white-space: nowrap;
}

/* ----------- news_details ----------- */
.nd_main { /* 220427 */
  padding: 80px 120px 0px;
  box-sizing: border-box;
}
.nd_left {
  display: inline-block;
  vertical-align: top;
  margin-right: 100px;
  width: 510px;
  padding-left: 64px;
  box-sizing: border-box;
}
.nd_left .nd_list .nd_item {
  font-size: 28px;
  color: #666666;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  letter-spacing: 1px;
}
/* 220427 */
.nd_right {
  display: inline-block;
  /* width: calc(100% - 670px); */
  width: 100%;
}
.nd_right .title {
  margin-bottom: 28px;
  font-size: 32px;
  color: #333333;
  text-align: center;
}
.nd_right .time {
  position: relative;
  /* margin-bottom: 14px; */
  padding-bottom: 12px;
  margin-bottom: 34px;
  font-size: 27px;
  color: #666666;
  text-align: center;
  border-bottom: 1px dotted #DDD;
}
/* .nd_right .time::after{
  content: '';
  position: absolute;
  left: 0;
  bottom: 0;
  width: 100%;
  height: 0px;
  border-bottom: 1px solid #333;
} */
/* 220427 over */
.nd_right img {
  margin-bottom: 28px;
  font-size: 0;
  width: auto;
  height: auto;
  max-width: 100%;
  object-fit: contain;
}
.nd_right p {
  margin-bottom: 28px;
  font-size: 21px;
  color: #666666;
}
.nd_right p img{
  margin-bottom:0;
  vertical-align: top;
}
.nd_right .bottom_btn {
  margin: 92px auto;
  display: flex;
  justify-content: space-between;
}
/* 220427 */
.nd_right .bottom_btn div {
  padding: 0px 28px;
  box-sizing: border-box;
  width: calc(50% - 65px);
  height: 68px;
  line-height: 68px;
  font-size: 27px;
  color: #333333;
  text-overflow: ellipsis;
  overflow: hidden;
  white-space: nowrap;
  /* border: 1px solid #e1e1e1; */
  cursor: pointer;
}
.nd_right .bottom_btn div:hover {
  color: #f56666;
  /* border: 1px solid #f56666; */
}
.nd_right .bottom_btn div:nth-child(2){
  text-align: right;
}
/* 220427 over */

/* 屏幕兼容 */
@media screen and (max-width: 1919px) and (min-width: 1680px) {
  .header{
    height: 120px;
  }
  .nav_item {
    padding: 0px 15px;
    font-size: 21px;
    line-height: 120px;
  }
  .phone_msg {
    font-size: 18px;
  }
  .phone_num {
    font-size: 32px;
  }
  .video {
    padding: 75px 45px;
  }
  .video_titel {
    font-size: 28px;
    line-height: 40px;
    margin-bottom: 32px;
  }
  .video_titel img{
    height: 40px;
  }
  .video_msg {
    font-size: 20px;
    line-height: 40px;
    letter-spacing: 2px;
  }
  .video .video_bottom_list{
    margin-top: 75px;
  }
  .video_bottom_item p {
    font-size: 20px;
  }
  .video_bottom_item p span {
    line-height: 58px;
    font-size: 62px;
  }
  .card{
    padding: 70px 36px 20px;
  }
  .card_title {
    margin-bottom: 45px;
    font-size: 28px;
  }
  .card_nav {
    height: 80px;
  }
  .card_nav_item {
    font-size: 24px;
  }
  .card_nav_item span {
    width: 20px;
    height: 18px;
  }
  .card_nav_2nd {
    min-height: 80px;
  }
  .card_nav_2nd span {
    margin-right: 80px;
    line-height: 80px;
    font-size: 20px;
  }
  .card_img_box {
    /* padding: 38px 42px; */
  }
  .card .card_list .card_item .card_name {
    font-size: 20px;
  }
  .card .card_list .card_hover .card_btn_box {
    padding: 0;
  }
  .card_btn_box div {
    width: 140px;
    height: 40px;
    font-size: 20px;
    line-height: 40px;
  }
  .adv_title {
    font-size: 28px;
  }
  .adv_title_l {
    font-size: 24px;
  }
  .adv_item {
    padding: 25px 36px;
  }
  .adv_item_p1 {
    font-size: 28px;
  }
  .adv_item_p2 {
    font-size: 24px;
  }
  .adv_item_p3 {
    font-size: 20px;
  }
  .call_left p:first-of-type {
    font-size: 28px;
  }
  .call_left p:last-of-type {
    font-size: 24px;
  }
  .call_right div:first-of-type {
    width: 64px;
  }
  .call_right p:first-of-type {
    font-size: 24px;
  }
  .call_right p:last-of-type {
    font-size: 28px;
  }
  .brand_title {
    font-size: 28px;
  }
  .brand_title_l {
    font-size: 24px;
  }
  .balist_icon {
    width: 32px;
    height: 32px;
  }
  .balist_icon i {
    font-size: 20px;
    line-height: 21px;
  }
  .brand_advant_item div {
    font-size: 28px;
    line-height: 32px;
  }
  .float_text_item .float_text_title {
    font-size: 28px;
  }
  .float_text_item .float_text_title span {
    font-size: 24px;
  }
  .float_text_item p {
    font-size: 20px;
  }
  .partner_title {
    font-size: 28px;
  }
  .news_title {
    font-size: 28px;
  }
  .news_tabber_item {
    font-size: 24px;
  }
  .news_tabber_more {
    width: 230px;
    height: 64px;
    line-height: 64px;
    font-size: 24px;
  }
  .news_tabber_more img {
    width: 17px;
    height: 17px;
    margin-top: 0px;
  }
  /* 220531 */
  .news .news_list .item{
    padding: 25px;
  }
  .news .news_list .item img{
    margin-bottom: 14px;
    height: 280px;
  }
  .news .news_list .item .title{
    font-size: 21px;
    height: 58px;
  }
  .news .news_list .item p{
    font-size: 20px;
  }
  .news .news_list .item .content{
    margin-bottom: 85px;
  }
  .news .news_list .item .more {
    position: absolute;
    bottom: 25px;
    right: 25px;
    width: 210px;
    height: 60px;
    line-height: 60px;
    font-size: 20px;
  }
  /* 220531 over */
  .bottom_nav{
    padding: 50px 90px 0; /* 220602 */
  }
  .bottom_nav_list.duiqi{ /* 220607 */
    width: 550px;
  }
  .bottom_nav_title {
    margin-bottom: 40px;
    font-size: 24px;
    line-height: 24px;
  }
  .bottom_nav_item {
    margin-bottom: 10px;
    line-height: 20px;
    font-size: 20px;
  }
  .classify_left{
    width: 300px;
  }
  .classify_left .title {
    height: 90px;
    line-height: 90px;
    font-size: 28px;
  }
  .classify_nav_list{
    height: 64px;
  }
  .classify_nav_item{
    height: 64px;
    line-height: 64px;
    font-size: 20px;
  }
  .classify_nav_item span{
    margin-top: 23px;
    width: 18px;
    height: 18px;
  }
  .classify_left .contact div{
    font-size: 18px;
  }
  .classify_left .contact div img{
    margin-right: 5px;
    width: 27px;
    height: 27px;
  }
  .classify_left .contact p {
    font-size: 30px;
    line-height: 32px;
}
  .classify_right{
    width: calc(100% - 330px);
  }
  .classify_right .title span{
    padding-top: 25px;
    height: 90px;
    font-size: 28px;
  }
  .display_card_name{
    font-size: 20px;
  }
  .classify_paging span{
    width: 48px;
    height: 38px;
    line-height: 38px;
    font-size: 21px;
  }
  .classify_paging .first_page,
  .classify_paging .last_page{
    width: 80px;
  }
  .classify_paging .up_page,
  .classify_paging .down_page{
    width: 100px;
  }
  /* ----------- PCcard ----------- */
  .pc_dateils{
    padding: 80px 50px 0px;
  }
  .pc_dateils_img{
    width: 36%;
  }
  .pc_dateils_msg .msg_title{
    font-size: 28px;
  }
  .pc_dateils_msg > p{
    font-size: 22px;
    margin-bottom: 3px;
  }
  .pc_dateils_msg .msg_left .title,
  .pc_dateils_msg .msg_right .title{
    font-size: 22px;
  }
  .pc_dateils_msg .msg_bottom p{
    height: 42px;
    line-height: 42px;
    font-size: 21px;
  }
  .pc_need .title_block {
    padding-left: 54px;
    height: 100px;
    line-height: 100px;
    font-size: 30px;
  }
  .pc_need .nl_title{
    font-size: 27px;
  }
  .pc_need .nl_item{
    padding-left: 22px;
    min-height: 38px;
    font-size: 20px;
    line-height: 38px;
  }
  .public_title{
    margin-bottom: 50px;
    font-size: 40px;
  }
  .public_title::before {
    margin-right: 12px;
    margin-top: 14px;
    width: 7px;
    height: 30px;
    border-radius: 0px 7px 7px 0px;
  }
  .pc_relevant .card_item{
    width: 420px;
    margin-bottom: 200px;
  }
  .pc_relevant .card_item .card_name {
    bottom: -130px;
    width: 450px;
    height: 72px;
    line-height: 72px;
    font-size: 28px;
    border-radius: 36px;
  }
  /* -------------- DIYcard -------------- */
  .DIY_banner_title{
    margin-bottom: 92px;
    width: 541px;
    height: 90px;
    line-height: 90px;
    font-size: 52px;
  }
  .DIY_banner p {
    margin-bottom: 24px;
    max-width: 960px;
    font-size: 24px;
  }
  .DIY_banner_slide{
    margin-top: 80px;
    margin-bottom: 60px;
    width: 220px;
    height: 60px;
    border-radius: 30px;
  }
  .slide_block{
    height: 60px;
    border-radius: 30px;
  }
  .DIY_banner_slide span{
    line-height: 60px;
    font-size: 21px;
  }
  .DIY_main .title_text{
    margin-bottom: 42px;
    font-size: 27px;
  }
  .DIY_main > p{
    margin-bottom: 42px;
    font-size: 24px;
  }
  .DIY_main .lc_num{
    flex: 0 0 21%;
    width: 21%;
  }
  .DIY_main .lc_num p:nth-of-type(1){
    font-size: 58px;
  }
  .DIY_main .lc_num p:nth-of-type(2){
    font-size: 27px;
  }
  .DIY_main .lc_msg{
    padding-left: 48px;
    font-size: 27px
  }
  .DIY_main .lc_img{
    flex: 0 0 36%;
    width: 36%;
  }
  .DIY_main .lc_msg.mini{
    font-size: 20px;
  }
  /* --------------- about_us -------------- */
  .about_nav div {
    margin-right: 27px;
    width: 180px;
    height: 60px;
    line-height: 60px;
    font-size: 24px;
  }
  .about_zf_bottom{
    height: 200px;
  }
  .about_zf_bottom > div{
    padding: 0px 24px;
    font-size: 20px;
  }
  .about_zf_bottom .num {
    margin-bottom: 10px;
    padding-bottom: 12px;
    font-size: 46px;
  }
  .about_text {
    margin-bottom: 52px;
    padding: 0px 70px;
    font-size: 27px;
  }
  .evm_tabber{
    width: calc(100% - 400px);
  }
  .evm_tabber .evm_tab_item{
    padding-bottom: 24px;
    font-size: 32px;
  }
  .evm_item .evm_item_bottom{
    font-size: 22px;
  }
  /* -------------- call_us ------------- */
  .second_nav{
    top: 120px;
    padding: 48px 0;
    height: 420px;
  }
  .second_nav .nav_btn_line{
    font-size: 21px;
  }
  .second_nav .nav_btn_box{
    margin-bottom: 70px;
    padding-bottom: 15px;
    letter-spacing: 4px;
  }
  .cu_nav div{
    margin-right: 27px;
    width: 180px;
    height: 60px;
    line-height: 60px;
    font-size: 24px;
  }
  .cu_tips{
    margin-bottom: 58px;
    font-size: 22px;
  }
  .phone_number{
    margin-bottom: 36px;
    font-size: 24px;
  }
  .phone_number span{
    font-size: 32px;
  }
  .number_form{
    font-size: 24px;
    line-height: 58px;
  }
  .number_form .left{
    margin-right: 24px;
    width: calc(60% - 24px);
  }
  .number_form .keyname{
    margin-right: 10px;
    margin-bottom: 10px;
    flex: 0 0 180px;
    width: 180px;
    height: 58px;
  }
  .number_form .content{
    margin-bottom: 10px;
    padding: 0px 42px;
    width: calc(100% - 190px);
    min-height: 58px;
  }
  .number_form .content img{
    width: 22px;
    height: 25px;
  }
  .cu_tab_main .title{
    height: 98px;
    line-height: 98px;
    font-size: 28px;
  }
  .cu_tab_main .form_item{
    margin-bottom: 21px;
  }
  .cu_tab_main .form_keyname{
    flex: 0 0 120px;
    width: 120px;
    font-size: 23px;
  }
  .cu_tab_main .input_box{
    width: calc(100% - 120px);
    padding: 10px 21px;
    height: 54px;
  }
  .cu_tab_main .submit_tips{
    font-size: 23px;
  }
  .cu_tab_main .submit{
    width: 180px;
    height: 58px;
    line-height: 58px;
    font-size: 23px;
  }
  /* ------------- news ------------- */
  .news_nav div{
    margin-right: 27px;
    width: 180px;
    height: 60px;
    line-height: 60px;
    font-size: 24px;
  }
  /* 220519 */
  .news_box .news_main .list .item{
    padding: 25px;
  }
  .news_box .news_main .list .item img{
    margin-bottom: 14px;
    height: 280px;
  }
  /* 220523 */
  .news_box .news_main .list .item .title{
    font-size: 22px;
    height: 60px;
  }
  .news_box .news_main .list .item p{
    font-size: 20px;
  }
  .news_box .news_main .list .item .content{
    margin-bottom: 85px;
  }
  .news_box .news_main .list .item .more {
    position: absolute;
    bottom: 25px;
    right: 25px;
    width: 210px;
    height: 60px;
    line-height: 60px;
    font-size: 20px;
  }
  /* 220523 over */
  /* 220519 over */
  .news_paging span{
    width: 48px;
    height: 38px;
    line-height: 38px;
    font-size: 24px;
    margin: 0 3px;
  }
  .news_paging .up_page,
  .news_paging .down_page{
    width: 100px;
  }
  .news_paging .first_page,
  .news_paging .last_page{
    width: 80px;
  }
  .public_title.noicon{
    font-size: 42px;
    margin-bottom: 48px;
  }
  .nd_left{
    margin-right: 60px;
    width: 460px;
    padding-left: 58px;
  }
  .nd_left .nd_list .nd_item{
    font-size: 24px;
  }
  /* .nd_right {
    width: calc(100% - 580px);
  } */
  .nd_right .title{
    margin-bottom: 21px;
    font-size: 28px;
  }
  .nd_right .time{
    /* margin-bottom: 10px; */
    font-size: 24px;
  }
  .nd_right p {
    margin-bottom: 24px;
    font-size: 20px;
  }
  .nd_right .bottom_btn {
    margin: 80px auto;
  }
  .nd_right .bottom_btn div {
    padding: 0px 21px;
    width: calc(50% - 72px);
    height: 60px;
    line-height: 60px;
    font-size: 21px;
  }
  /* 220602 */
  .bottom .blogroll {
    padding: 0 100px 12px;
    margin-top: 15px;
    line-height: 50px;
    font-size: 16px;
  }
  .bottom .blogroll p span{ /* 220607 */
    width: 550px;
  }
  /* 220602 over */
}
/* @media screen and (max-width: 1679px) and (min-width: 1440px) { */
@media screen and (max-width: 1679px) {
  .header{
    height: 120px;
  }
  .logo {
    flex: 0 0 268px;
    width: 268px;
  }
  .nav_item {
    padding: 0px 12px;
    font-size: 18px;
    line-height: 120px;
  }
  .phone_icon {
    flex: 0 0 50px;
    width: 50px;
    height: 50px;
  }
  .phone_msg {
    font-size: 16px;
  }
  .phone_num {
    font-size: 27px;
  }
  .video{
    padding: 60px 45px;
  }
  .video_titel {
    font-size: 24px;
    line-height: 32px;
    margin-bottom: 24px;
  }
  .video_titel img {
    height: 32px;
  }
  .video_msg {
    font-size: 16px;
    line-height: 32px;
    letter-spacing: 1px;
  }
  .video .video_bottom_list{
    margin-top: 60px;
  }
  .video_bottom_item p {
    font-size: 16px;
  }
  .video_bottom_item p span {
    line-height: 54px;
    font-size: 54px;
  }
  .card{
    padding: 60px 36px 20px;
  }
  .card_title {
    margin-bottom: 36px;
    font-size: 24px;
  }
  .card_nav {
    height: 80px;
  }
  .card_nav_item {
    font-size: 20px;
  }
  .card_nav_item span {
    width: 18px;
    height: 18px;
  }
  .card_nav_2nd {
    min-height: 80px;
  }
  .card_nav_2nd span {
    margin-right: 80px;
    line-height: 80px;
    font-size: 16px;
  }
  .card_nav_2nd span::after {
    width: 14px;
    height: 14px;
  }
  .card_img_box {
    /* padding: 38px 42px; */
  }
  .card .card_list .card_item .card_name {
    font-size: 16px;
  }
  .card .card_list .card_hover .card_btn_box {
    padding: 0;
    justify-content: space-around;
  }
  .card_btn_box div {
    width: 120px;
    height: 38px;
    font-size: 16px;
    line-height: 38px;
  }
  .adv_title {
    font-size: 24px;
  }
  .adv_title_l {
    font-size: 20px;
  }
  .adv_item {
    padding: 25px 36px;
  }
  .adv_item_p1 {
    font-size: 24px;
  }
  .adv_item_p2 {
    font-size: 20px;
  }
  .adv_item_p3 {
    font-size: 16px;
  }
  .call_left p:first-of-type {
    font-size: 24px;
  }
  .call_left p:last-of-type {
    font-size: 16px;
  }
  .call_right div:first-of-type {
    width: 50px;
  }
  .call_right p:first-of-type {
    font-size: 16px;
  }
  .call_right p:last-of-type {
    font-size: 24px;
  }
  .brand_title {
    font-size: 24px;
  }
  .brand_title_l {
    font-size: 20px;
  }
  .balist_icon {
    width: 32px;
    height: 32px;
  }
  .balist_icon i {
    font-size: 21px;
    line-height: 21px;
  }
  .brand_advant_item div {
    font-size: 24px;
    line-height: 24px;
  }
  .float_text {
    width: 720px;
    height: 360px;
  }
  .float_text_item .float_text_title {
    font-size: 24px;
  }
  .float_text_item .float_text_title span {
    font-size: 16px;
  }
  .float_text_item p {
    font-size: 16px;
  }
  .float_text_item p::after {
    width: 24px;
    height: 24px;
  }
  .partner{
    padding-top: 60px;
  }
  .partner_title {
    font-size: 24px;
  }
  .news_title {
    font-size: 24px;
  }
  .news .news_tabber{
    margin-bottom: 20px;
  }
  .news_tabber_item {
    font-size: 20px;
    height: 64px;
    line-height: 64px;
  }
  .news_tabber_more {
    width: 210px;
    height: 56px;
    line-height: 56px;
    font-size: 21px;
  }
  .news_tabber_more img {
    width: 15px;
    height: 15px;
    margin-top: 0px;
  }
  /* 220531 */
  .news .news_list .item {
    margin-bottom: 30px;
    padding: 20px;
    border-top: 3px solid transparent;
  }
  .news .news_list .item img {
    margin-bottom: 10px;
    height: 230px;
  }
  .news .news_list .item:hover {
    border-top: 3px solid #3b83ff;
  }
  .news .news_list .item p {
    font-size: 16px;
  }
  .news .news_list .item .title {
    font-size: 18px;
    height: 65px;
  }
  .news .news_list .item .content {
    margin-bottom: 60px;
  }
  .news .news_list .item .more {
    bottom: 18px;
    right: 20px;
    width: 180px;
    height: 50px;
    line-height: 50px;
    font-size: 16px;
  }
  /* 220531 over */
  .bottom_nav{
    padding: 45px 80px 0; /* 220602 */
  }
  .bottom_nav_list.duiqi{ /* 220607 */
    width: 500px;
  }
  .bottom_nav_title {
    margin-bottom: 36px;
    font-size: 20px;
    line-height: 20px;
  }
  .bottom_nav_item {
    margin-bottom: 8px;
    line-height: 16px;
    font-size: 16px;
  }
  .classify_left {
    margin-right: 24px;
    width: 270px;
  }
  .classify_left .title {
    height: 80px;
    line-height: 80px;
    font-size: 24px;
  }
  .classify_nav_list{
    height: 58px;
  }
  .classify_nav_item {
    padding: 0px 25px;
    height: 58px;
    line-height: 58px;
    font-size: 16px;
  }
  .classify_nav_item>a{ /* 220424 */
    padding: 0px 25px;
  }
  .classify_nav_item span {
    margin-top: 21px;
    width: 18px;
    height: 18px;
  }
  .classify_right .title span {
    padding-top: 24px;
    width: 210px;
    height: 80px;
    font-size: 24px;
  }
  .display_card_item {
    margin-bottom: 90px;
    width: calc(33.33% - 12px);
    padding: 36px 42px;
  }
  .display_card_name{
    bottom: -52px;
    font-size: 16px;
  }
  .classify_paging{
    margin-top: 18px;
    margin-bottom: 80px;
  }
  .classify_paging span {
    width: 46px;
    height: 40px;
    line-height: 40px;
    font-size: 21px;
    margin: 0px 2px;
  }
  .classify_paging .first_page,
  .classify_paging .last_page{
    width: 72px;
  }
  .classify_paging .up_page,
  .classify_paging .down_page{
    width: 90px;
  }
  .classify_left .contact{
    padding-top: 12px;
    height: 84px;
  }
  .classify_left .contact div {
    margin-bottom: 3px;
    font-size: 18px;
    line-height: 24px;
  }
  .classify_left .contact div img{
    margin-right: 8px;
    width: 24px;
    height: 24px;
  }
  .classify_left .contact p{
    font-size: 28px;
    line-height: 28px;
  }
  /* --------------- PCcard ------------- */
  .pc_dateils{
    padding: 93px 50px 0px;
  }
  .pc_dateils_msg .msg_title{
    font-size: 24px;
  }
  .pc_dateils_msg > p{
    font-size: 16px;
  }
  .pc_dateils_msg .msg_bottom > div{
    width: 360px;
  }
  .pc_dateils_msg .msg_left .title,
  .pc_dateils_msg .msg_right .title{
    font-size: 24px;
  }
  .pc_dateils_msg .msg_bottom p{
    height: 32px;
    line-height: 32px;
    font-size: 16px;
  }
  .pc_dateils_msg .msg_left p::before{
    margin-top: 10px;
  }
  .pc_need .title_block, .pc_diagram .title_block{
    font-size: 24px;
  }
  .pc_need .nl_title {
    margin-top: 27px;
    margin-bottom: 3px;
    font-size: 20px;
  }
  .pc_need .nl_item {
    padding-left: 21px;
    min-height: 32px;
    line-height: 32px;
    font-size: 16px;
  }
  .pc_need .nl_item span{
    width: 198px;
  }
  .pc_need .nl_item p {
    width: calc(100% - 210px);
  }
  .pc_need .need_left, .pc_need .need_right{
    width: calc(50% - 15px);
  }
  .pc_diagram{
    margin-bottom: 54px;
  }
  .public_title{
    margin-bottom: 52px;
    font-size: 24px;
  }
  .public_title::before {
    margin-right: 6px;
    margin-top: 6px;
    width: 5px;
    height: 20px;
    border-radius: 0px 5px 5px 0px;
  }
  .pc_relevant .card_item{
    width: calc(33.33% - 50px);
    margin-bottom: 150px;
  }
  .pc_relevant .card_item .card_name {
    bottom: -100px;
    width: 100%;
    height: 60px;
    line-height: 60px;
    font-size: 16px;
    border-radius: 30px;
  }
  .DIY_banner{
    padding-left: 120px;
    padding-top: 15%;
    padding-bottom: 150px;
  }
  .DIY_banner_title{
    margin-bottom: 60px;
    height: 80px;
    line-height: 80px;
    font-size: 24px;
    padding-left: 20px;
  }
  .DIY_banner p {
    margin-bottom: 24px;
    font-size: 20px;
  }
  .DIY_banner_slide{
    margin-top: 80px;
    margin-bottom: 80px;
    width: 210px;
    height: 60px;
    border-radius: 30px;
  }
  .slide_block{
    width: 100px;
    height: 60px;
    border-radius: 30px;
  }
  .DIY_banner_slide span{
    line-height: 60px;
    font-size: 20px;
  }
  .DIY_main .title_text {
    margin-bottom: 36px;
    font-size: 24px;
  }
  .DIY_main > p{
    margin-bottom: 36px;
    font-size: 21px;
  }
  .DIY_main .lc_num{
    flex: 0 0 21%;
    width: 21%;
  }
  .DIY_main .lc_num p:nth-of-type(1){
    font-size: 48px;
  }
  .DIY_main .lc_num p:nth-of-type(2){
    font-size: 21px;
  }
  .DIY_main .lc_img {
    flex: 0 0 36%;
    width: 36%;
  }
  .DIY_main .lc_msg {
    padding-left: 48px;
    font-size: 24px;
  }
  .DIY_main .lc_msg.mini{
    font-size: 18px;
  }
  .DIY_main .lc_msg p::before{
    top: 13px;
  }
  .about_nav{
    margin: 52px 0px;
  }
  .about_nav div {
    margin-right: 21px;
    width: 180px;
    height: 60px;
    line-height: 60px;
    font-size: 21px;
  }
  .about_zf_bottom{
    height: 180px;
  }
  .about_zf_bottom .num{
    margin-bottom: 10px;
    padding-bottom: 8px;
    font-size: 46px;
  }
  .about_zf_bottom > div{
    font-size: 21px;
  }
  .about_text{
    margin-bottom: 60px;
    padding: 0px 64px;
    font-size: 24px;
  }
  .evm_tabber .evm_tab_item{
    padding-bottom: 21px;
    font-size: 27px;
  }
  .evm_item .evm_item_bottom{
    height: 48px;
    line-height: 48px;
    font-size: 18px;
  }
  .second_nav {
    top: 120px;
    padding: 36px 0;
    height: 400px;
  }
  .second_nav .nav_btn_box {
    margin-bottom: 70px;
    padding-bottom: 12px;
  }
  .second_nav .nav_btn_line{
    font-size: 16px;
  }
  .cu_nav{
    margin: 52px 0px;
  }
  .cu_nav div {
    margin-right: 21px;
    width: 172px;
    height: 58px;
    line-height: 58px;
    font-size: 21px;
  }
  .cu_tips {
    margin-bottom: 54px;
    font-size: 21px;
  }
  .phone_number {
    margin-bottom: 32px;
    font-size: 21px;
  }
  .phone_number span{
    font-size: 32px;
  }
  .number_form {
    font-size: 21px;
    line-height: 56px;
  }
  .number_form .left {
    margin-right: 24px;
    width: calc(60% - 24px);
  }
  .number_form .keyname {
    margin-right: 10px;
    margin-bottom: 10px;
    flex: 0 0 172px;
    width: 172px;
    height: 58px;
  }
  .number_form .content {
    margin-bottom: 10px;
    padding: 0px 27px;
    width: calc(100% - 182px);
    min-height: 58px;
  }
  .number_form .content img{
    width: 18px;
    height: 20px;
  }
  .cu_tab_main .title {
    height: 80px;
    line-height: 80px;
    font-size: 24px;
  }
  .cu_tab_main .form_keyname {
    flex: 0 0 110px;
    width: 110px;
    font-size: 21px;
  }
  .cu_tab_main .area textarea{
    height: 120px;
    font-size: 18px;
  }
  .cu_tab_main .input_box {
    height: 52px;
    padding: 8px 18px;
    width: calc(100% - 110px);
  }
  .cu_tab_main .form_item {
    margin-bottom: 18px;
  }
  .cu_tab_main .input_box input{
    font-size: 18px;
  }
  .cu_tab_main .submit {
    width: 160px;
    height: 54px;
    line-height: 54px;
    font-size: 21px;
  }
  .cu_tab_main .cu_form{
    padding: 30px 32px 100px;
  }
  .cu_tab_main .submit_tips {
    font-size: 21px;
  }
  /* ------------- news ------------- */
  .news{
    padding: 60px 30px 0px;
  }
  .news_nav {
    margin: 50px 0px;
  }
  .news_nav div {
    margin-right: 21px;
    width: 172px;
    height: 58px;
    line-height: 58px;
    font-size: 21px;
  }
  /* 220519 */
  .news_box .news_main .list .item {
    margin-bottom: 30px;
    padding: 20px;
    border-top: 3px solid transparent;
  }
  .news_box .news_main .list .item img {
    margin-bottom: 10px;
    height: 230px;
  }
  .news_box .news_main .list .item:hover {
    border-top: 3px solid #3b83ff;
  }
  /* 220523 */
  .news_box .news_main .list .item p {
    font-size: 16px;
  }
  .news_box .news_main .list .item .title {
    font-size: 18px;
    height: 51px;
  }
  .news_box .news_main .list .item .content {
    margin-bottom: 60px;
  }
  .news_box .news_main .list .item .more {
    bottom: 18px;
    right: 20px;
    width: 180px;
    height: 50px;
    line-height: 50px;
    font-size: 16px;
  }
  /* 220523 over */
  /* 220519 over */
  .news_paging {
    margin-top: 21px;
    margin-bottom: 80px;
  }
  .news_paging span {
    width: 46px;
    height: 36px;
    line-height: 36px;
    font-size: 21px;
    margin: 0 3px;
  }
  .news_paging .first_page,
  .news_paging .last_page{
    width: 60px;
  }
  .news_paging .up_page,
  .news_paging .down_page{
    width: 90px;
  }
  /* ------------ news_details ------------ */
  .public_title.noicon{
    font-size: 42px;
    margin-bottom: 48px;
  }
  .nd_left{
    margin-right: 60px;
    width: 480px;
  }
  .nd_left .nd_list .nd_item{
    font-size: 24px;
  }
  .nd_right .title{
    margin-bottom: 21px;
    font-size: 24px;
  }
  .nd_right .time {
    /* margin-bottom: 12px; */
    font-size: 20px;
  }
  .nd_right img{
    margin-bottom: 18px;
  }
  .nd_right p{
    margin-bottom: 21px;
    font-size: 16px;
  }
  .nd_right .bottom_btn{
    margin: 72px auto;
  }
  .nd_right .bottom_btn div{
    padding: 0px 18px;
    width: calc(50% - 56px);
    height: 58px;
    line-height: 58px;
    font-size: 20px;
  }
  /* 220602 */
  .bottom .blogroll {
    padding: 0 80px 10px;
    margin-top: 12px;
    line-height: 32px;
    font-size: 12px;
  }
  .bottom .blogroll p span{ /* 220607 */
    width: 500px;
  }
  /* 220602 over */
}


/*dev*/
.classify_nav_item.cur, .classify_nav_item:hover {
    color: #fff;
    background-color: #005CFD;
}

.snf_item {
    cursor: default;
}

.classify_paging li:hover {
    background-color: #005CFD;
    color: #fff;
}

.classify_paging li.active {
    background: #005CFD;
    border-color: #005CFD;
    color: #fff;
}

.classify_paging li a {
    font-size: 26px;
    color: #005CFD;
    width: 56px;
}

.classify_paging li a:hover {
    color: #fff;
}

.classify_paging li.active a {
    color: #fff;
}

.classify_paging .prev {
    margin-right: 15px;
}

.classify_paging .next {
    margin-left: 15px;
}