.main_middle {
  width: 1400px;
  margin: 0 auto;
}

/* phone_menu_container */
.phone_menu_container,
.phone_roof,
.for_roof {
  display: none;
}


/* page_roof_container_down */
.page_roof_container_down {
  height: 100px !important;
  background-color: rgba(255, 255, 255, 0.8) !important;
  box-shadow: 0 0 30px rgba(0, 0, 0, 0.1);
}


/* page_roof_container */
.page_roof_container {
  position: fixed;
  top: 0;
  width: 100vw;
  height: 120px;
  z-index: 999;
  background-color: #fff;
  transition: height 300ms linear, background-color 300ms linear;
}

.page_roof .roof_logo {
  width: 201px;
  height: 51px;
  background-image: url('../images/logo.png');
  background-size: contain;
  background-repeat: no-repeat;
}

.page_roof .roof_menu {
  gap: 100px;
}

.page_roof .roof_menu li a {
  font-weight: bold;
  border-bottom: 6px solid transparent;
}

.page_roof .roof_menu li:hover a {
  border-bottom: 6px solid #FFF27F;
}

/* banner */
.swiper-container {
  width: 100vw;
  margin-top: 120px !important;
}

.swiper-container img {
  width: 100%;
}

.swiper-container .swiper-wrapper {
  height: auto !important;
}

.swiper-container .swiper-slide {
  width: 100%;
  /* background-image: url('../images/banner.png'); */
  background-position: center;
  background-size: cover;
  background-color: #fff;
  background-repeat: no-repeat;
}

.swiper-pagination {
  gap: 20px;
  bottom: 30px !important;
}

.swiper-pagination .my-bullet {
  margin: 12px 0;
  width: 50px;
  height: 12px;
  border-radius: 8px;
  background-color: #ccc;
}

.swiper-pagination .my-bullet-active {
  background-color: #0774D9;
}

/* about_wrapper */
.about_wrapper {
  padding: 100px 125px;
}

.about_title {
  width: 415px;
}

.about_title h2 {
  font-weight: 600;
  font-size: 20px;
  color: #0774D9;
}

.title_subject {
  gap: 30px;
}

.title_subject h3 {
  font-weight: 600;
  font-size: 48px;
  line-height: 1;
  text-transform: uppercase;
}

.title_subject h3 span {
  font-weight: 600;
}

.title_subject p {
  position: relative;
  width: 100px;
  height: 1px;
  background-color: #4F4F4F;
}

.title_subject p::after {
  content: '';
  display: block;
  position: absolute;
  top: 50%;
  left: 50%;
  width: 10px;
  height: 10px;
  transform: translate(-50%, -50%);
  background-color: #079FD9;
  border-radius: 50%;
}

.title_subject h4 {
  font-size: 24px;
  line-height: 1;
}

.about_content {
  flex: 1;
}

.about_banner {
  width: 100vw;
}

/* about_num_wrapper */
.about_num_wrapper {
  width: 100vw;
  height: 220px;
  background-color: #0774D9;
}

.about_num {
  width: 1200px;
  height: 100%;
  margin: 0 auto;
}

.about_num_item {
  line-height: 1;
  color: #FFFFFF;
  font-size: 16px;
}

.about_num_item .ani_top {
  margin-bottom: 20px;
}

.about_num_item .ani_top span {
  display: inline-block;
  font-family: 'Michroma';
  font-size: 64px;
  font-weight: bold;
}

.about_num_item:nth-of-type(1) .ani_top span {
  width: 220px;
}

.about_num_item:nth-of-type(2) .ani_top span {
  width: 130px;
}

.about_num_item:nth-of-type(3) .ani_top span {
  width: 130px;
}

.about_num_item:nth-of-type(4) .ani_top span {
  width: 255px;
}

.about_num_item .ani_bottom {
  font-size: 16px;
}

/* chunk_title */
.chunk_title {
  width: 510px;
  text-align: center;
}

.chunk_title h2 {
  position: relative;
  margin-bottom: 20px;
  text-align: center;
  font-size: 20px;
  line-height: 50px;
  color: #fff;
}

.chunk_title h2::after {
  content: '';
  position: absolute;
  width: 190px;
  height: 50px;
  left: 50%;
  top: 0;
  transform: translateX(-50%) skewX(-30deg);
  background-color: #0774D9;
}

.chunk_title h2 span {
  position: relative;
  z-index: 1;
}

.chunk_title .title_subject h4 {
  font-size: 18px;
  line-height: 1.6;
}

/* product_wrapper */
.product_wrapper {
  margin: 100px auto;
}

.product_category {
  margin: 30px 0 60px;
  gap: 20px;
}

.product_category a {
  width: 155px;
  height: 39px;
  aspect-ratio: 155/39;
  display: flex;
  justify-content: center;
  align-items: center;
  line-height: 1;
  color: #fff;
  background-image: url('../images/pro_d.png');
  background-size: cover;
  background-repeat: no-repeat;
}

.product_category a:hover {
  background-image: url('../images/pro_a.png');
}

.product_category a.product_category_active {
  background-image: url('../images/pro_a.png');
}

.product_main {
  gap: 45px;
}

.pm_single {
  position: relative;
  display: block;
  width: calc(33.33% - 30px);
  cursor: pointer;
}

.pm_single .pm_title {
  position: absolute;
  top: 30px;
  right: 25px;
  font-size: 20px;
  color: #fff;
  text-shadow: 0 0 10px rgba(0, 0, 0, 0.3);
}

.pm_single .pm_more {
  position: absolute;
  left: 40px;
  bottom: 40px;
  display: block;
  width: 40px;
  height: 40px;
  background-image: url('../images/pm_more.png');
  background-size: cover;
}

/* map_wrapper */
.map_wrapper {
  height: 500px;
  font-size: 14px;
}

/* contact_wrapper */
.contact_wrapper {
  height: 334px;
  background-color: #0774D9;
}


.contact {
  height: 100%;
  color: #fff;
}

.contact_title {
  width: 375px;
}

.contact_title .title_subject h3 span {
  color: #FFF27F;
}

.contact_title .title_subject p {
  background-color: #079FD9;
}

.contact_title .title_subject p::after {
  background-color: #FFF27F;
}

.contact_main {
  flex: 1;
  gap: 10px;
}

.contact_main .contact_item {
  gap: 20px;
}

.contact_main .contact_item img {
  width: 54px;
}

.contact_main .contact_item .contact_item_right span {
  font-family: "Michroma";
}

.contact_right {
  width: 510px;
}

.contact_right h5 {
  margin-bottom: 6px;
  font-weight: bold;
}

.contact_right p {}

/* news_wrapper */
.news_wrapper {
  margin: 100px auto 150px;
}

.news_wrapper_title {
  width: 100%;
  margin-bottom: 60px;
}

.news_main {
  width: 100%;
  gap: 50px;
}

.news_main .news_single {
  width: calc(25% - 37.5px);
}


.news_main .news_single .news_time {
  height: 80px;
  font-size: 24px;
  color: #FFFFFF;
  line-height: 80px;
  text-align: center;
  background-color: #0774D9;
}

.news_main .news_single:nth-of-type(even) .news_time {
  background-color: #079FD9;
}

.news_main .news_single .news_title {
  margin: 30px 0 16px;
  font-weight: 500;
  font-size: 24px;
  line-height: 1;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.news_main .news_single .news_content {
  display: -webkit-box;
  -webkit-box-orient: vertical;
  -webkit-line-clamp: 6;
  overflow: hidden;
}

/* bottom_wrapper */
.bottom_wrapper {
  width: 100vw;
  padding: 90px 0 40px;
  background-color: #3D4154;
}

.bottom {}

.bottom_left {
  gap: 80px;
}

.bottom_left dl {
  line-height: 1;
  color: #FFFFFF;
}

.bottom_left dl dt {
  margin-bottom: 16px;
  font-size: 24px;
}

.bottom_left dl dd {
  margin-bottom: 16px;
}

.bottom_left dl dd a {
  color: #FFFFFF;
  opacity: 0.6;
}

.bottom_right {
  gap: 16px;
}

/* footer */
.footer_wrapper {
  width: 100vw;
  height: 100px;
  background-color: #343748;
}

.footer {
  height: 100%;
  font-size: 16px;
  color: #fff;
}

.footer a {
  color: #fff;
}

/* ny_banner */
.ny_banner {
  position: relative;
  height: 400px;
  margin-top: 120px;
  background-size: cover;
  background-position: center;
  background-repeat: no-repeat;
  background-attachment: fixed;
}

.ny_banner::after {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-color: rgba(0, 0, 0, 0.7);
}

.ny_banner_middle {
  position: relative;
  z-index: 1;
  height: 100%;
  color: #fff;
}

.ny_banner_middle a {
  color: #fff;
}

.ny_banner_middle .banner_left {}

.ny_banner_middle .banner_left h2 {
  font-size: 30px;
}

.ny_banner_middle .banner_left h3 {
  position: relative;
  width: 120px;
  height: 1px;
  margin: 10px 0;
  background-color: #ccc;
}

.ny_banner_middle .banner_left h3::after {
  content: '';
  display: block;
  position: absolute;
  top: 50%;
  left: 50%;
  width: 10px;
  height: 10px;
  transform: translate(-50%, -50%);
  background-color: #079FD9;
  border-radius: 50%;
}

.ny_banner_middle .banner_left h4 {
  width: 600px;
  font-size: 14px;
}

.ny_banner_middle .banner_left h4 span {
  display: block;
  margin-top: 6px;
  line-height: 1.2;
}

.ny_banner_middle .banner_right span {
  color: #0774D9;
}

/* inside_main */
.inside_main {
  margin-top: 60px;
  margin-bottom: 100px;
}

/* inside_about */
.inside_about {
  gap: 3%;
  align-items: flex-start;
}

.inside_about_left {
  width: 52%;
}

.inside_about_main {
  flex: 1;
}

/* inside_picture_detail */
.inside_picture_detail {}

.inside_picture_detail .ipd_title {
  padding-bottom: 25px;
  border-bottom: 1px solid #dbdbdb;
  font-size: 28px;
  color: #333;
}

.inside_picture_detail .ipd_main {
  padding-top: 40px;
}

/* popup_img_wrapper */
.popup_img_wrapper {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  padding-top: 5vh;
  text-align: center;
  background-color: rgba(0, 0, 0, 0.8);
  z-index: 9999;
  display: none;
}

.popup_close {
  text-align: right;
  padding-right: 2vw;
  cursor: pointer;
}

.popup_img {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  height: 80vh;
}

/* inside_news */
.inside_news {
  overflow: hidden;
}

.inside_news_item {
  position: relative;
  display: block;
  width: 48%;
  margin-bottom: 50px;
  padding: 20px;
  border: 1px solid #e7ebef;
}

.inside_news_item .news_m_date {
  align-items: flex-end;
}

.inside_news_item .news_m_date p {
  margin-right: 5px;
  font-size: 48px;
  line-height: 1;
  color: #333333;
}

.inside_news_item .news_m_date span {
  line-height: 1.8;
  color: #8f8f8f;
}

.inside_news_item .news_m_title {
  display: block;
  margin: 20px 0;
  font-size: 18px;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.inside_news_item:hover .news_m_title {
  color: #0774D9;
}

.inside_news_item .news_m_content {
  margin-bottom: 25px;
  font-size: 14px;
  color: #9b9b9b;
  display: -webkit-box;
  -webkit-box-orient: vertical;
  -webkit-line-clamp: 2;
  overflow: hidden;
}

/* inside_news_detail */
.inside_news_detail {}

.inside_news_detail .ind_title_wrapper {
  margin-bottom: 50px;
  padding-bottom: 25px;
  text-align: center;
  border-bottom: 1px solid #dbdbdb;
}

.inside_news_detail .ind_title_wrapper .ind_title {
  text-align: center;
  margin-bottom: 30px;
  font-size: 24px;
  color: #333333;
}

.inside_news_detail .ind_title_wrapper .ind_info {
  font-size: 12px;
  color: #888888;
}

.inside_news_detail .ind_title_wrapper .ind_info span {
  margin: 0 5px;
}

.inside_news_detail .ind_main {}

.inside_news_detail .ind_main img {
  max-width: 100%;
}

/* inside_contact */
.inside_contact {
  margin-bottom: 80px;
}

.inside_map {
  width: 900px;
  height: 450px;
}

.contact_content {
  width: 430px;
}

.contact_content h1 {
  margin-bottom: 20px;
  font-size: 30px;
  line-height: 1em;
}

.contact_content h2 {
  margin-bottom: 30px;
  padding-bottom: 30px;
  border-bottom: 1px solid #ddd;
  font-size: 22px;
  line-height: 1.2em;
  text-transform: uppercase;
}

.contact_content p {
  font-size: 20px;
  line-height: 2.2em;
}

/* 给我们留言 */
.inside_message {}

.inside_message .inside_form_input {
  margin-bottom: 25px;
  width: 49%;
}

.inside_message .inside_form_input .inside_ipt {
  width: 100%;
  height: 70px;
  padding: 0 25px;
  border: none;
  background-color: #f4f5f8;
  transition: box-shadow 300ms linear;
}

.inside_message .inside_form_input:hover .inside_ipt {
  box-shadow: 0 0 5px rgba(7, 116, 217, 0.5);
}

.inside_message .inside_form_textarea {
  width: 100%;
  margin-bottom: 55px;
}

.inside_message .inside_form_textarea .inside_area {
  width: 100%;
  height: 200px;
  padding: 15px 25px;
  border: none;
  background-color: #f4f5f8;
  transition: box-shadow 300ms linear;
}

.inside_message .inside_form_textarea:hover .inside_area {
  box-shadow: 0 0 5px rgba(7, 116, 217, 0.5);
}

.inside_message .inside_form_btn {
  width: 100%;
}

.inside_message .inside_form_btn .inside_btn {
  padding: 15px 70px;
  background-color: #282828;
  border: none;
  color: #fff;
  cursor: pointer;
  border-bottom: solid #0774D9 2px;
  transition: box-shadow 300ms ease, background-color 300ms ease;
}

.inside_message .inside_form_btn .inside_btn:hover {
  box-shadow: 0 0 5px rgba(7, 116, 217, 0.5);
  background-color: #0774D9;
}