.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: 70px !important;
  background-color: rgba(255, 255, 255, 0.8) !important;
  box-shadow: 0 0 30px rgba(0, 0, 0, 0.1);
}

.page_roof_container_down .page_roof .roof_logo {
  height: 50px;
  transition: height 300ms linear;
}

/* page_roof_container */
.page_roof_container {
  position: fixed;
  top: 0;
  width: 100vw;
  height: 140px;
  z-index: 999;
  transition: height 300ms linear, background-color 300ms linear;
}

.page_roof .roof_logo {
  width: 125px;
  height: 104px;
  background-image: url('../images/logo.png');
  background-size: contain;
  background-repeat: no-repeat;
  transition: height 300ms linear;
}

.page_roof .roof_menu {
  gap: 100px;
}

.page_roof .roof_menu li a {
  font-weight: bold;
}

/* banner */
.swiper-container {
  width: 100vw;
}

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

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

.swiper-pagination {
  gap: 10px;
  bottom: 50px !important;
}

.swiper-pagination .my-bullet {
  width: 80px;
  height: 4px;
  background-color: #fff;
}

.swiper-pagination .my-bullet-active {
  background-color: #DF0000;
}

/* title_subject */
.title_subject {
  font-weight: 600;
  font-size: 100px;
  line-height: 1.2;
  /* font-family: 'Regular'; */
}

.title_subject h3 {
  font-size: 22px;
}


/* pro_wrapper */
.pro_wrapper {
  padding: 50px 0 80px;
}

.pro_headline {
  position: relative;
  height: 130px;
  margin-bottom: 40px;
}

.pro_headline .title_subject {
  position: relative;
}

.pro_headline span {
  display: block;
  position: absolute;
  right: 0;
  top: 0;
  width: 1026px;
  height: 161px;
  background-image: url('../images/en_name.png');
  background-size: contain;
  z-index: -1;
  background-repeat: no-repeat;
}

.pro_catalog {
  display: flex;
  justify-content: flex-end;
  align-items: center;
  gap: 50px;
  margin-bottom: 40px;
}

.pro_catalog ul {
  display: flex;
  align-items: center;
  gap: 80px;
}

.pro_catalog ul li {
  position: relative;
  font-size: 20px;
  padding-bottom: 4px;
}

.pro_catalog ul li::after {
  position: absolute;
  bottom: -6px;
  content: '';
  display: block;
  width: 0;
  height: 4px;
  background-color: #DF0000;
  transition: width 0.3s linear;
}

.pro_catalog ul li:hover::after {
  width: 100%;
}

.pro_catalog ul li a {
  font-weight: bold;
  color: #000;
}

.pro_catalog .pro_more {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 14px;
  width: 148px;
  height: 48px;
  font-weight: 600;
  font-size: 16px;
  color: #FFFFFF;
  border-radius: 24px;
  background-color: #DF0000;
}

.pro_catalog .pro_more img {
  width: 14px;
  height: 14px;
}

.pro_main {
  display: flex;
  flex-wrap: wrap;
  gap: 40px;
}

.pro_main_item {
  width: calc(50% - 20px);
}

.pro_main_headline {
  display: flex;
  justify-content: space-between;
  align-items: center;
  height: 46px;
  margin-top: 24px;
  margin-right: 24px;
  transition: margin 0.3s linear;
}

.pro_main_headline .pmh_name {
  flex: 1;
  font-size: 20px;
  color: #000;
}

.pro_main_item:hover .pro_main_headline {
  margin-right: 8px;
}

.pro_main_item:hover .pro_main_headline .pmh_name {
  color: #000;
}

.pro_main_headline .pmh_more {
  font-weight: 600;
  font-size: 16px;
}

.pro_main_headline .pmh_img {
  display: flex;
  justify-content: center;
  align-items: center;
  width: 14px;
  height: 14px;
  margin-left: 12px;
  border-radius: 50%;
  transition: width 0.3s linear, height 0.3s linear, background-color 0.3s linear;
}

.pro_main_headline .pmh_img::before {
  content: '';
  display: block;
  width: 14px;
  height: 14px;
  background-image: url('../images/arrow1.png');
  background-repeat: no-repeat;
  background-size: cover;
}

.pro_main_item:hover .pro_main_headline .pmh_img {
  width: 46px;
  height: 46px;
  background-color: #DF0000;
  border-radius: 50%;
}

.pro_main_item:hover .pro_main_headline .pmh_img::before {
  content: '';
  background-image: url('../images/arrow.png');
  background-size: cover;
}

/* about-wrapper */
.about_wrapper {
  height: 580px;
  padding-top: 70px;
  border-bottom-left-radius: 100px;
  border-bottom-right-radius: 100px;
  background-color: #DF0000;
}

.about_wrapper .main_middle {
  display: flex;
  justify-content: space-between;
}

.about_left {
  width: 680px;
  color: #fff;
}

.about_left .title_subject {
  margin-bottom: 30px;
  text-align: right;
}

.about_left .about_main {
  margin-bottom: 30px;
  padding-bottom: 40px;
  border-bottom: 1px solid rgba(155, 255, 255, 0.7);
  display: -webkit-box;
  -webkit-box-orient: vertical;
  -webkit-line-clamp: 3;
  overflow: hidden;
}

.about_left .about_more {
  font-weight: 600;
  font-size: 16px;
  color: #FFFFFF;
}

.about_left .about_more img {}

.about_right {
  position: relative;
  width: 702px;
  height: 308px;
  margin-top: 100px;
  background-image: url('../images/earth.png');
  background-size: 100% 100%;
  background-repeat: no-repeat;
}

.about_right .about_right_circle {
  position: absolute;
  top: 60px;
  left: 540px;
  width: 100px;
  height: 66px;
  border-radius: 50%;
  border: 1px solid #FFFFFF;
  background-color: rgba(255, 255, 255, 0.31);
  /* 边框缩放动画 */
  animation: borderPulse 2s ease-out infinite;
}

@keyframes borderPulse {
  0% {
    transform: scale(1);
    box-shadow: 0 0 0 0 rgba(255, 255, 255, 0.7);
  }

  70% {
    transform: scale(1.2);
    box-shadow: 0 0 0 10px rgba(255, 255, 255, 0);
  }

  100% {
    transform: scale(1);
    box-shadow: 0 0 0 0 rgba(255, 255, 255, 0);
  }
}

.about_right .about_right_address {
  position: absolute;
  top: 30px;
  left: 570px;
}

/* about_num */
.about_num {
  height: 320px;
}

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

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

.about_num_item .ani_top span {
  display: inline-block;
  font-family: 'Regular';
  font-size: 80px;
  font-weight: bold;
}

.about_num_item:nth-of-type(1) .ani_top span {
  width: 290px;
}

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

.about_num_item:nth-of-type(3) .ani_top span {
  width: 290px;
}

.about_num_item:nth-of-type(4) .ani_top span {
  width: 290px;
}

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

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

.case_headline {
  display: flex;
  gap: 90px;
}

.case_main {
  width:800px;
  color: #333333;
}

.case_main .case_title {
  margin: 20px 0 10px;
  font-weight: 500;
  font-size: 26px;
  line-height: 1;
}

.case_main .case_info {
  font-size: 16px;
  line-height: 28px;
  display: -webkit-box;
  -webkit-box-orient: vertical;
  -webkit-line-clamp: 3;
  overflow: hidden;
}

.case_cut {
  display: flex;
  justify-content: flex-end;
  gap: 50px;
  margin-bottom: 40px;
}

.case_cut .case_cut_pre {
  width: 17px;
  height: 16px;
  background-image: url('../images/left_black.png');
  background-size: 100% 100%;
  background-repeat: no-repeat;
  cursor: pointer;
}

.case_cut .case_cut_pre:hover {
  background-image: url('../images/left_red.png');
}

.case_cut .case_cut_next {
  width: 17px;
  height: 16px;
  background-image: url('../images/right_black.png');
  background-size: 100% 100%;
  background-repeat: no-repeat;
  cursor: pointer;
}

.case_cut .case_cut_next:hover {
  background-image: url('../images/right_red.png');
}

.case_img {
  display: block;
  height: 700px;
  border-radius: 100px;
}

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

.news_headline {
  display: flex;
  justify-content: space-between;
  align-items: center;
  height: 210px;
  margin-bottom: 90px;
}

.news_headline .news_more {
  display: flex;
  justify-content: center;
  align-items: center;
  width: 210px;
  height: 210px;
  border-radius: 50%;
  background-color: #DF0000;
}

.news_main {
  display: flex;
  justify-content: space-between;
  gap: 120px;
}

.news_list {
  display: flex;
  flex-direction: column;
  border-top: 1px solid #000;
}

.news_list .news_item {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex: 1;
  border-bottom: 1px solid #000;
  transition: background-color 0.3s linear, padding 0.3s linear;
}

.news_list .news_item:hover {
  padding: 0 20px;
  background-color: #DF0000;
}

.news_list .news_item .news_date {
  margin-right: 90px;
  font-family: "Regular";
  font-size: 16px;
  transition: color 0.3s linear;
}

.news_list .news_item:hover .news_date {
  color: #fff;
}


.news_list .news_item .news_subject {
  flex: 1;
  margin-right: 120px;
}


.news_list .news_item .news_subject .news_subject_title {
  font-weight: 500;
  font-size: 26px;
  transition: color 0.3s linear;
}

.news_list .news_item:hover .news_subject .news_subject_title {
  color: #fff;
}

.news_list .news_item .news_subject .news_subject_info {
  font-size: 16px;
  color: #5F5F5F;
  line-height: 28px;
  display: -webkit-box;
  -webkit-box-orient: vertical;
  -webkit-line-clamp: 2;
  overflow: hidden;
  transition: color 0.3s linear;
}

.news_list .news_item:hover .news_subject .news_subject_info {
  color: #fff;
}

.news_list .news_item::after {
  font-family: "Regular";
  display: block;
  width: 170px;
  text-align: right;
  font-size: 96px;
  color: #C6C6C6;
  transition: color 0.3s linear;
}

.news_list .news_item:hover::after {
  color: #fff;
}

.news_list .news_item:nth-of-type(1):after {
  content: '01';
}

.news_list .news_item:nth-of-type(2):after {
  content: '02';
}

.news_list .news_item:nth-of-type(3):after {
  content: '03';
}

.news_list .news_item:nth-of-type(4):after {
    content: '04';
}

.news_img {}

/* partner_wrapper */
.partner_wrapper {
  margin-bottom: 250px;
}

.partner_headline {
  margin-bottom: 20px;
  text-align: center;
  font-weight: bold;
  font-size: 70px;
  line-height: 1;
}

.partner_headline h3 {
  margin: 15px 0 10px;
  font-weight: 600;
  font-size: 22px;
}

.partner_headline h6 {
  font-size: 16px;
  color: #000000;
  line-height: 26px;
}

.partner_list {
  position: relative;
  width: 100vw;
  overflow: hidden;
}

.partner_track {
  display: flex;
  gap: 90px;
}

.partner_item {
  width: 200px;
  height: 150px;
  flex-shrink: 0;
}

@keyframes scrollLeft {
  0% {
    transform: translateX(0);
  }

  100% {
    transform: translateX(-50%);
  }
}

/* bottom_wrapper */
.bottom_wrapper {
  position: relative;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  height: 640px;
  padding-top: 210px;
  color: #FFFFFF;
  background-color: #333333;
}

.bottom_wrapper_inside {
  height: 500px;
  padding-top: 70px;
}

/* brand */
.bottom_brand {
  position: absolute;
  top: -140px;
  left: 50%;
  display: flex;
  justify-content: space-between;
  align-items: center;
  height: 280px;
  padding: 0 140px 0 60px;
  transform: translateX(-50%);
  background-color: #DF0000;
  border-radius: 50px;
}

.brand_left {
  width: 600px;
}

.brand_left .brand_t {
  font-weight: 600;
  font-size: 40px;
}

.brand_left .brand_nr {
  font-weight: 500;
  font-size: 20px;
}

.brand_right {
  display: flex;
  flex-wrap: wrap;
  gap: 4px;
  width: 368px;
}

.brand_right img {
  width: 120px;
  height: 100px;
}

/* bottom_box */
.bottom_box {
  flex: 1;
}

.bottom_box .bottom_left {
  gap: 20px;
  align-items: flex-start;
}

.bottom_box .bottom_left dl {
  display: flex;
  /* flex-direction: column; */
  flex-wrap: wrap;
  min-width: 137px;
  justify-content: flex-start;
  align-items: flex-start;
  line-height: 1;
  color: #FFFFFF;
}

.bottom_box .bottom_left dl dt {
  width: 100%;
  margin-bottom: 20px;
  font-size: 24px;
}

.bottom_box .bottom_left dl dd {
  width: 100%;
  margin-bottom: 20px;
}

.bottom_box .bottom_left dl:nth-of-type(3) dd {
  width: 50%;
  max-width: 130px;
  margin-bottom: 20px;
}

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

.bottom_box .bottom_right {
  gap: 16px;
  color: #fff;
}

.bottom_box .bottom_right p {
  font-size: 14px;
}

/* bottom_footer */
.bottom_footer {
  display: flex;
  justify-content: space-between;
  align-items: center;
  height: 130px;
  border-top: 1px solid rgba(255, 255, 255, 0.2);
  font-size: 14px;
  opacity: 0.6;
}

.bottom_footer a {
  color: #fff;
}

/* ny_banner */
.ny_banner {
  position: relative;
  height: 300px;
  margin-top: 140px;
  background-size: cover;
}

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

.ny_banner_inner {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  height: 300px;
  color: #fff;
  z-index: 9;
}

.ny_banner_inner h2 {
  font-size: 50px;
}

.ny_banner_inner a {
  color: #fff;
}

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

.inside_main .partner_headline {
  text-transform: uppercase;
}

/* inside_catalog */
.inside_catalog {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 50px;
  margin-bottom: 40px;
}

.inside_catalog ul {
  display: flex;
  align-items: center;
  gap: 40px;
}

.inside_catalog ul li {
  position: relative;
  padding: 6px 24px;
  border-radius: 30px;
  background-color: #9e9e9e;
  transition: background-color 0.3s linear;
}

.inside_catalog ul li:hover,
.inside_catalog ul li.active {
  background-color: #DF0000;
}

.inside_catalog ul li a {
  font-weight: bold;
  color: #FFF;
}

/* inside_about */
.inside_about {
  gap: 3%;
}

.inside_about_left {
  width: 40%;
}

.inside_about_main {
  flex: 1;
}

/* product_main */
.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);
}

/* 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;
  font-family: "Regular";
}

.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 .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: 59%;
  height: auto;
}

.contact_content {
  width: 38%;
}

.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(223, 0, 0, 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(223, 0, 0, 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 #DF0000 2px;
  transition: box-shadow 300ms ease, background-color 300ms ease;
}

.inside_message .inside_form_btn .inside_btn:hover {
  box-shadow: 0 0 5px rgba(223, 0, 0, 0.5);
  background-color: #DF0000;
}