/*通用类*/
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
  -o-box-sizing: border-box;
  -ms-box-sizing: border-box;
  -moz-box-sizing: border-box;
  -webkit-box-sizing: border-box;
}
html {
  overflow-x: hidden;
}
/* latin-ext */
@font-face {
  font-family: 'Lato';
  font-style: normal;
  font-weight: 300;
  src: url(../fonts/S6u9w4BMUTPHh7USSwaPGR_p.woff2) format('woff2');
}
/* latin */
body {
  width: 100%;
  min-width: 320px;
  margin: 0 auto;
  font-family: 'lato';
  background: #fff;
  overflow-x: hidden;
  text-align: justify;
  color: #333;
}
.wb {
  background: #fff;
}
/*不同设备字体em基准
@media screen and (min-width: 320px) and (max-width: 360px){
  body{
  	font-size:13.5px;
  }
}
@media screen and (min-width: 360px) and (max-width: 480px){
  body{
  	font-size:15px;
  }
}
@media screen and (min-width: 480px) and (max-width: 700px){
  body{
  	font-size:22.5px;
  }
}
@media screen and (min-width: 700px) and (max-width: 1000px){
  body{
  	font-size:28px;
  }
}
@media screen and (min-width: 1000px) and (max-width: 1200px){
  body{
  	font-size:32px;
  }
}
@media screen and (min-width: 1200px) and (max-width: 1400px){
  body{
  	font-size:40px;
  }
}
@media screen and (min-width: 1400px){
  body{
  	font-size:50px;
  }
}
*/
img {
  border: none;
}
h1,
h2,
h3 {
  font-weight: normal;
}
h2 {
  font-size: 28px;
  line-height: 1.1em;
  margin-bottom: 10px;
  font-weight: 300;
}
h3 {
  font-size: 20px;
  line-height: 1.1em;
  margin-bottom: 8px;
  /*28*/
}
h4 {
  font-size: 18px;
  line-height: 1.1em;
  margin-bottom: 4px;
  /*21*/
}
h5 {
  font-size: 16px;
  line-height: 1.1em;
  /*17*/
}
h6 {
  font-size: 14px;
  line-height: 1.1em;
}
a {
  color: #333;
  text-decoration: none;
  -webkit-tap-highlight-color: rgba(0, 0, 0, 0);
  -webkit-tap-highlight-color: transparent;
  outline: none;
}
input,
textarea,
select {
  font-family: "Microsoft Yahei";
  font-size: 1em;
  outline: none;
  margin: 0;
  padding: 0;
}
input::-webkit-input-placeholder {
  color: #979797 !important;
}
textarea::-webkit-input-placeholder {
  color: #979797 !important;
}
input[type='button'],
input[type='text'],
input[type='search'],
input[type='submit'],
input[type='reset'],
input[type='date'],
input[type='time'],
input[type='number'] {
  -webkit-appearance: none;
}
select {
  -webkit-appearance: none;
}
textarea {
  -webkit-appearance: none;
}
input::-webkit-outer-spin-button,
input::-webkit-inner-spin-button {
  -webkit-appearance: none !important;
  margin: 0;
}
ul,
ol {
  padding: 0;
  list-style-type: none;
}
em {
  font-style: normal;
}
.lt {
  float: left;
}
.rt {
  float: right;
}
input.sub,
label {
  border: none;
  cursor: pointer;
}
input,
textarea {
  font-family: "Microsoft Yahei";
  outline: none;
  margin: 0;
  padding: 0;
}
table {
  border-collapse: collapse;
}
td,
th {
  padding: 0;
}
.clear::before {
  visibility: hidden;
  display: block;
  font-size: 0;
  content: " ";
  clear: both;
  height: 0;
}
.clear::after {
  visibility: hidden;
  display: block;
  font-size: 0;
  content: " ";
  clear: both;
  height: 0;
}
.pulic_header_cont {
  background: #e1e1e1;
}
.warpin {
  width: 1310px;
  padding: 0 50px;
  margin: 0 auto;
}
.pulic_header_cont {
  padding: 10px 0;
  background: #505050;
}
.pulic_header_cont .warpin {
  display: flex;
  justify-content: flex-end;
}
.pulic_header_cont .r_cont {
  display: flex;
  align-items: center;
}
.pulic_header_cont .r_cont .li {
  padding: 0 10px;
  font-size: 14px;
  color: #fff;
  text-transform: uppercase;
}
.head_bg {
  width: 100%;
  height: 138px;
  transition: all 0.5s;
}
.head_bg.active {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 1114;
}
.pulic_header_navi {
  border-bottom: 1px solid #efefef;
  background: #fff;
  position: relative;
  z-index: 11;
}
.pulic_header_navi .warpin {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 88px;
}
.pulic_header_navi .logo {
  display: block;
  height: 100%;
}
.pulic_header_navi .logo img {
  display: block;
  height: 100%;
}
.pulic_header_navi .navi_cont {
  display: flex;
  align-items: center;
}
.pulic_header_navi .navi_cont .li {
  position: relative;
  padding: 32px 13px;
  text-transform: uppercase;
}
.pulic_header_navi .navi_cont .li .tle {
  height: 88px;
  font-size: 16px;
  font-weight: 400;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  border-bottom: 2px solid #fff;
}
.pulic_header_navi .navi_cont .li .bit_dl {
  display: none;
  position: absolute;
  left: 0;
  top: 100%;
  width: 208px;
  border-top: 2px solid #999999;
  background: #fff;
  box-shadow: 0 8px 15px rgba(0, 0, 0, 0.1);
  margin-top: -1px;
}
.pulic_header_navi .navi_cont .li .bit_dl .li {
  display: block;
  width: 100%;
  text-align: left;
  line-height: 23px;
  padding: 8px 15px;
  font-size: 12px;
  min-height: 23px;
}
.pulic_header_navi .navi_cont .li .bit_dl .li:hover {
  background: #f8f8f8;
}
.pulic_header_navi .navi_cont .li:hover .bit_dl {
  display: block;
}
.pulic_product_navi {
  border-top: 1px solid #e1e1e1;
  border-bottom: 1px solid #e1e1e1;
  background: #f2f2f2;
}
.pulic_product_navi .warpin {
  display: -webkit-box;
  display: box;
  padding: 0;
}
.pulic_product_navi .li {
  display: block;
  padding: 15px 10px;
  -moz-box-flex: 1 !important;
  -webkit-box-flex: 1 !important;
  font-size: 13px;
  text-align: center;
}
.pulic_product_navi .li .tle {
  color: #666;
}
.index_baner_cont {
  width: 100%;
  height: 530px;
  position: relative;
  overflow: hidden;
}
.index_baner_cont .swiper-slide {
  position: relative;
}
.index_baner_cont .bg {
  display: block;
  width: 100%;
}
.index_baner_cont .warpin {
  position: absolute;
  top: 0;
  height: 100%;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  align-items: center;
  justify-content: flex-end;
}
.index_baner_cont .cont {
  color: #fff;
}
.index_baner_cont .tle_i {
  display: block;
  margin-bottom: 10px;
}
.index_baner_cont h2 {
  font-weight: 800;
  font-size: 65px;
  line-height: 70px;
  margin: 20px 0;
}
.index_baner_cont p {
  font-size: 20px;
  line-height: 22px;
  letter-spacing: 0px;
  font-weight: 400;
  width: 420px;
  margin-bottom: 20px;
}
.index_baner_cont .btn {
  padding: 12px 35px;
  font-size: 15px;
  font-weight: 900;
  background: #fff;
  color: #54575a;
  display: inline-block;
  margin-left: 20px;
  transition: all 0.3s;
  position: relative;
}
.index_baner_cont .btn::after {
  content: "";
  display: block;
  width: 9px;
  height: 18px;
  background: url(../i/arrow.png) no-repeat center;
  background-size: cover;
  position: absolute;
  left: 89%;
  top: 50%;
  transform: translateY(-50%);
  transition: all 0.3s;
  filter: grayscale(1000%);
}
.index_baner_cont .btn:hover {
  background: #777777;
  color: #fff;
  padding-right: 50px;
}
.index_baner_cont .btn:hover::after {
  right: 90%;
  filter: grayscale(1000%);
}
.index_section_1 {
  background: #f2f2f3;
  padding: 20px 0;
}
.index_section_1 .title_head {
  font-family: 'lato';
  font-size: 34px;
  font-weight: 300 !important;
  line-height: 1.1em;
  margin-bottom: 14px;
  color: #222222;
  letter-spacing: 1px;
  text-align: center;
}
.index_section_1 .pro_last {
  display: flex;
  flex-wrap: wrap;
  margin-top: 50px;
}
.index_section_1 .pro_last .list {
  width: calc(100% / 5);
}
.index_section_1 .pro_last .list .tis_i {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 100%;
  margin-bottom: 6px;
  padding: 0 15%;
}
.index_section_1 .pro_last .list .tis_i img {
  width: 100%;
  transition: all 0.4s;
  max-height: 250px;
}
.index_section_1 .pro_last .list .bit_logo {
  text-align: center;
}
.index_section_1 .pro_last .list .bit_txt {
  padding: 20px 0;
}
.index_section_1 .pro_last .list .bit_txt h2 {
  font-size: 16px;
  color: #222222;
  text-align: center;
}
.index_section_1 .pro_last .list .bit_txt p {
  text-align: center;
  font-size: 10px;
  margin: 10px 0;
}
.index_section_1 .pro_last .list:hover .tis_i img {
  transform: scale(1.2, 1.2);
}
.index_section_2 {
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.index_section_2 .l_content {
  width: 50%;
  padding: 40px;
}
.index_section_2 .l_content .tis_logo {
  display: block;
  margin-bottom: 14px;
}
.index_section_2 .l_content .tis_logo img {
  display: block;
  width: 189px;
}
.index_section_2 .l_content .txt_cont {
  margin-bottom: 14px;
  color: #222;
}
.index_section_2 .l_content .txt_cont h2 {
  font-size: 30px;
  margin-bottom: 14px;
  font-weight: bold;
  color: #595959;
}
.index_section_2 .l_content .txt_cont h3 {
  font-size: 24px;
  font-weight: 300;
  margin-bottom: 14px;
}
.index_section_2 .l_content .txt_cont p {
  color: #666;
  font-size: 14px;
  line-height: 32px;
  margin: 13px 0;
}
.index_section_2 .l_content .pro_dl {
  margin-top: 50px;
  display: flex;
  justify-content: space-between;
  margin-bottom: 50px;
}
.index_section_2 .l_content .pro_dl .dd {
  width: calc(100% / 4);
  text-align: center;
  padding: 0 20px;
}
.index_section_2 .l_content .pro_dl .dd .tis_i {
  width: 100%;
}
.index_section_2 .l_content .pro_dl .dd img {
  width: 100%;
  transition: all 0.6s;
  box-shadow: 0 6px 6px 0 rgba(0, 0, 0, 0.15), 0 10px 20px 0 rgba(0, 0, 0, 0.2);
}
.index_section_2 .l_content .pro_dl .dd:hover img {
  transform: scale(1.1, 1.1);
}
.index_section_2 .l_content .ava_btn {
  display: inline-flex;
  background: #999;
  padding: 15px 30px;
  color: #ffffff;
  border-bottom: 1px solid #777777;
  border-radius: 0px;
  border-width: 2px;
  font-family: 'lato', Helvetica, Arial, sans-serif;
  font-size: 16px;
  font-weight: 300;
  letter-spacing: 0.05em;
}
.index_section_2 .l_content .ava_btn:hover {
  opacity: 0.8;
}
.index_section_2 .r_img {
  padding: 40px 60px;
  width: 50%;
}
.index_section_2 .r_img img {
  display: inline-block;
  height: 100%;
}
.index_section_2.ys_cont .l_content {
  order: 2;
}
.index_section_2.ys_cont .r_img {
  order: 1;
  text-align: center;
}
.avia_pop {
  position: fixed;
  border-radius: 2px;
  height: 50px;
  width: 50px;
  line-height: 50px;
  text-decoration: none;
  text-align: center;
  right: 50px;
  bottom: 50px;
  z-index: 1030;
  background: #505050 url(../i/top_arr_w.png) no-repeat center;
  background-size: 16px;
  color: #eeeeee;
  border: 1px solid #505050;
  opacity: 0.7;
  cursor: pointer;
}
.avia_pop:hover {
  background: #f8f8f8 url(../i/top_arr.png) no-repeat center;
  background-size: 16px;
  color: #999999;
  border: 1px solid #e1e1e1;
}
.foot_pop_cont {
  position: fixed;
  right: 50px;
  bottom: 150px;
  width: 50px;
  z-index: 1030;
}
.foot_pop_cont .li {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 50px;
  margin: 15px auto;
}
.foot_pop_cont .li img {
  display: block;
  max-width: 100%;
}
.index_section_adver {
  width: 100%;
  position: relative;
  overflow: hidden;
  display: flex;
  align-items: center;
}
.index_section_adver .bg {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-repeat: no-repeat;
  background-image: url(../i/index_bg_2h.jpg);
  background-size: cover;
  background-position: center;
  background-attachment: scroll;
  background-attachment: fixed;
  z-index: -1;
}
.index_section_adver .warpin {
  display: flex;
  justify-content: flex-end;
}
.index_section_adver .det_cont {
  display: inline-block;
  margin: 80px 0;
  padding: 60px 60px 60px 60px;
  background-color: rgba(0, 0, 0, 0.4);
  margin-left: 6%;
  width: 47%;
  color: #fff;
}
.index_section_adver .det_cont h2 {
  font-size: 30px;
  font-weight: bold;
}
.index_section_adver .det_cont .tis_i {
  display: block;
  width: 285px;
}
.index_section_adver .det_cont p {
  margin-bottom: 14px;
  font-size: 14px;
  line-height: 32px;
}
.index_section_adver .det_cont .view_btn {
  color: #ffffff;
  border-bottom: 1px solid #777777;
  border-radius: 0px;
  border-width: 2px;
  font-family: 'lato', Helvetica, Arial, sans-serif;
  font-size: 16px;
  font-weight: 300;
  letter-spacing: 0.05em;
  background: #999999;
  padding: 9px 10px 7px;
  min-width: 80px;
}
.index_section_3 {
  display: flex;
  flex-wrap: wrap;
  padding: 10px;
}
.index_section_3 .list_cont {
  width: calc(98% / 3);
  position: relative;
  overflow: hidden;
  margin-right: 1%;
}
.index_section_3 .list_cont:nth-child(3n) {
  margin-right: 0;
}
.index_section_3 .list_cont .bg {
  display: block;
  width: 100%;
}
.index_section_3 .list_cont .cont {
  position: absolute;
  bottom: 0;
  left: 0;
  padding: 20px;
}
.index_section_3 .list_cont .cont h2 {
  color: #fff;
  font-size: 34px;
  margin-bottom: 20px;
}
.index_section_3 .list_cont .cont .btn {
  color: #fff;
  border-bottom: 2px solid #777;
  font-size: 16px;
  padding: 9px 10px 7px;
  min-width: 80px;
  text-align: center;
  opacity: 0.9;
  margin: 3px 0;
  background: #999999;
}
.index_section_4 {
  padding: 30px 0;
}
.index_section_4 .title_head {
  text-align: center;
  font-size: 34px;
  font-weight: 300;
  color: #222222;
  margin-bottom: 20px;
  letter-spacing: 3px;
}
.index_section_4 .tis_nav {
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 30px;
}
.index_section_4 .tis_nav .li {
  text-transform: uppercase;
  font-size: 14px;
  color: #999999;
  margin: 0 30px;
  text-align: center;
  cursor: pointer;
}
.index_section_4 .last_cont {
  display: flex;
  flex-wrap: wrap;
}
.index_section_4 .last_cont .list {
  width: calc((100% - 18%) / 4);
  margin: 0 2.25% 30px;
  text-align: center;
}
.index_section_4 .last_cont .list .tis_i {
  display: block;
  width: 100%;
  margin-bottom: 20px;
}
.index_section_4 .last_cont .list .tis_i img {
  display: block;
  width: 100%;
}
.index_section_4 .last_cont .list .view {
  display: inline-block;
  margin: 0 auto;
  text-align: center;
  font-size: 16px;
  font-weight: 300;
  letter-spacing: 0.05em;
  padding: 9px 10px 7px;
  min-width: 80px;
  margin: 3px 0;
  transition: all 0.6s;
}
.index_section_4 .last_cont .list .view:hover {
  opacity: 0.5;
}
.index_section_5 {
  padding: 30px 0;
  background-repeat: no-repeat;
  background-image: url(../i/index_bg_4h.jpg);
  background-position: 50% 50%;
  background-attachment: scroll;
}
.index_section_5 .title_head {
  color: #222;
  font-size: 37.4px;
  letter-spacing: 1px;
  font-weight: 300;
  margin-bottom: 14px;
  text-align: center;
}
.index_section_5 .last_dl {
  display: flex;
  flex-wrap: wrap;
}
.index_section_5 .last_dl .list {
  width: calc((100% - 24%) / 3);
  margin: 0 4%;
  text-align: center;
}
.index_section_5 .last_dl .list .tis_i {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 100%;
  height: 100px;
  margin-bottom: 14px;
}
.index_section_5 .last_dl .list .tis_i img {
  display: block;
  height: 100%;
}
.index_section_5 .last_dl .list h2 {
  font-weight: bold;
  font-size: 16px;
  letter-spacing: 1px;
  color: #222;
  margin-bottom: 14px;
}
.index_section_5 .last_dl .list p {
  font-size: 14px;
  color: #666666;
  line-height: 26px;
  font-weight: 400;
}
.index_section_6 {
  width: 100%;
  position: relative;
  overflow: hidden;
  display: flex;
  align-items: center;
}
.index_section_6 .bg {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-repeat: no-repeat;
  background-image: url(../i/index_bg_5.jpg);
  background-size: cover;
  background-position: center;
  background-attachment: scroll;
  background-attachment: fixed;
  z-index: -1;
}
.index_section_6 .warpin {
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 50px 0;
}
.index_section_6 .warpin .txt_cont {
  width: 50%;
}
.index_section_6 .warpin .txt_cont h2 {
  font-size: 30px;
  color: #fff;
  letter-spacing: 1px;
  font-weight: bold;
  margin-bottom: 14px;
}
.index_section_6 .warpin .txt_cont h3 {
  margin-bottom: 8px;
  font-size: 20px;
  color: #fff;
  letter-spacing: 1px;
  font-weight: 300;
}
.index_section_6 .warpin .txt_cont p {
  font-size: 14px;
  color: #fff;
  font-weight: 400;
  line-height: 32px;
}
.index_section_6 .warpin .r_img {
  width: 40%;
  margin-left: 10%;
}
.index_section_6 .warpin .r_img img {
  width: 100%;
  display: block;
}
.index_section_7 {
  display: flex;
  align-items: center;
  background: #4b4f50;
}
.index_section_7 .l_img {
  width: 50%;
  background-size: cover;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 20px;
}
.index_section_7 .l_img img {
  display: block;
  width: 100%;
}
.index_section_7 .r_cont {
  width: 50%;
  padding: 20px 40px;
  height: 100%;
  display: flex;
  align-items: center;
}
.index_section_7 .r_cont h2 {
  font-size: 30px;
  letter-spacing: 1px;
  color: #fff;
  margin-bottom: 14px;
  font-weight: bold;
}
.index_section_7 .r_cont h3 {
  font-size: 20px;
  letter-spacing: 1px;
  line-height: 22px;
  color: #fff;
  margin-bottom: 8px;
  font-weight: 300;
}
.index_section_7 .r_cont p {
  font-size: 14px;
  color: #fff;
  font-weight: 400;
  line-height: 32px;
}
.index_section_8 {
  display: flex;
  background: #e0e0e0;
  overflow: hidden;
}
.index_section_8 .l_img {
  width: 50%;
  position: relative;
}
.index_section_8 .l_img .bg {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  vertical-align: middle;
  background: url(../i/index_bg_7h.png) 50% 50% no-repeat scroll;
  background-size: cover;
}
.index_section_8 .r_cont {
  width: 50%;
  padding: 40px 30px;
}
.index_section_8 .r_cont p {
  font-style: italic;
  font-size: 16px;
  color: #666666;
  font-weight: 400;
  line-height: 26px;
  margin-bottom: 14px;
}
.index_section_8 .r_cont .int {
  display: block;
  width: 100%;
  margin-bottom: 14px;
}
.index_section_8 .r_cont .int input {
  width: 100%;
  height: 36px;
  background: #fff;
  padding-left: 10px;
  border: none;
  font-size: 14px;
}
.index_section_8 .r_cont .int select {
  width: 100%;
  height: 36px;
  background: #fff;
  padding-left: 10px;
  border: none;
  font-size: 14px;
}
.index_section_8 .r_cont .sub_btn {
  display: block;
  margin-top: 30px;
}
.index_section_8 .r_cont .sub_btn .btn {
  display: inline-block;
  background: #999;
  font-size: 16px;
  color: #fff;
  padding: 9px 22px;
  transition: all 0.6s;
}
.index_section_8 .r_cont .sub_btn .btn:hover {
  background: #333;
}
.pulic_footer_cont {
  background: #505050;
  padding: 15px 0 30px 0;
}
.pulic_footer_cont .tis_content {
  display: flex;
  justify-content: space-between;
  font-size: 14px;
  font-weight: 300;
  color: #bbbbbb;
}
.pulic_footer_cont .tis_content .logo_cont {
  display: block;
}
.pulic_footer_cont .tis_content .logo_cont img {
  display: block;
  margin: 10px auto;
}
.pulic_footer_cont .tis_content .logo_cont .i {
  display: block;
  height: 40px;
  margin-top: -20px;
}
.pulic_footer_cont .tis_content .nav_last {
  position: relative;
}
.pulic_footer_cont .tis_content .nav_last .title {
  color: #9c9c9c;
  margin: 14px 0 8px;
  font-size: 18px;
  margin-top: 15px;
}
.pulic_footer_cont .tis_content .nav_last .li {
  display: block;
  font-size: 14px;
  color: #fff;
  font-weight: 300;
  line-height: 26px;
  margin-bottom: 10px;
}
.pulic_footer_cont .tis_content .nav_last .i {
  display: block;
  margin-bottom: 8px;
}
.pulic_footer_cont .tis_content .nav_last .link {
  display: flex;
  align-items: center;
  margin-top: 30px;
}
.pulic_footer_cont .tis_content .nav_last .link .li {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 30px;
  height: 30px;
  border-radius: 100px;
  margin: 0 4px;
  border: 1px solid rgba(255, 255, 255, 0.5);
}
.pulic_footer_cont .tis_content .nav_last .link .li img {
  filter: brightness(1000%);
}
.pulic_footer_cont .tis_content .nav_last .link .li:hover {
  background: #fff;
}
.pulic_footer_cont .tis_content .nav_last .link .li:hover img {
  filter: brightness(100%);
}
.pulic_footer_cont .bit_detail {
  text-align: center;
}
.pulic_footer_cont .bit_detail h2 {
  font-size: 18px;
  font-weight: 300;
  color: #fff;
  letter-spacing: 1px;
}
.pulic_footer_cont .bit_detail img {
  display: block;
  margin: 20px auto;
}
.pulic_footer_cont .bit_detail p {
  font-size: 12px;
  color: #bbbbbb;
  line-height: 24px;
}
.pulic_footer_cont .bit_detail .copy {
  font-size: 12px;
  color: #fff;
  margin-top: 30px;
  text-align: left;
}
/******************************/
.product_detail_content {
  padding: 50px 0;
  background: #4a4f55;
}
.product_detail_content .tis_content {
  text-align: center;
}
.product_detail_content .tis_content .tle {
  font-size: 54px;
  color: #fff;
  font-weight: bold;
  margin-bottom: 20px;
}
.product_detail_content .tis_content .txt {
  width: 80%;
  margin: 0 auto 80px;
  text-align: justify;
 
}
.product_detail_content .tis_content .txt p {
  font-size: 16px;
  color: #fff;
  margin: 16px 0;
  line-height:1.8;
  letter-spacing: 1px
}
.product_detail_content .tis_content .txt a {
  display: inline-block;
  text-decoration: underline;
  font-size: 16px;
  color: #fff;
}
.product_detail_content .tis_content .btn_dl {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
}
.product_detail_content .tis_content .btn_dl .lis {
  padding: 8px 15px;
  border: 2px solid #fff;
  font-size: 16px;
  color: #fff;
  margin: 0 6px;
  transition: all 0.8s;
}
.product_detail_content .tis_content .btn_dl .lis:hover {
  background: #fff;
  color: #4a4f55;
}
.product_detail_content .tis_content .btn_dl .hover {
  background: #fff;
  color: #4a4f55;
}
.product_detail_last {
  display: flex;
  flex-wrap: wrap;
}
.product_detail_last .list_box {
  width: calc(100% / 4);
  padding: 16px;
}
.product_detail_last .list_box .cont {
  border: 5px solid #5d636b;
  position: relative;
  overflow: hidden;
}
.product_detail_last .list_box .cont img {
  display: block;
  width: 100%;
  transition: all 0.8s;
}
.product_detail_last .list_box .cont .bit_txt {
  position: absolute;
  bottom: 0;
  left: 0;
  width: 100%;
}
.product_detail_last .list_box .cont .bit_txt .new {
  height: 45px;
  font-size: 16px;
  line-height: 44px;
  padding-right: 0;
  background: #dca98599;
  text-transform: uppercase;
  color: #fff;
  text-align: center;
}
.product_detail_last .list_box .cont .bit_txt .txt {
  padding: 30px 0;
  text-align: center;
  background: rgba(74, 79, 85, 0.5);
  font-size: 14px;
  color: #fff;
}
.product_detail_last .list_box:hover .cont img {
  transform: scale(1.1, 1.1);
}
.detail_head_baner {
  display: block;
  width: 100%;
  position: relative;
  overflow: hidden;
}
.detail_head_baner .swiper-slide {
  display: block;
}
.detail_head_baner .swiper-slide img {
  display: block;
  width: 100%;
}
.detail_head_baner .swiper-pagination-bullet {
  height: 12px;
  width: 12px;
  border: 2px solid #fff;
  background: none;
  opacity: 1;
}
.detail_head_baner .swiper-pagination-bullet-active {
  background: #fff;
}
.detail_case_1 {
  padding: 50px 0;
  text-align: center;
}
.detail_case_1 .txt {
  font-size: 16px;
  color: #4a4f55;
  margin: 16px 0;
}
.detail_case_1 .tle {
  font-size: 32px;
  color: #4a4f55;
  line-height: 38px;
  margin-bottom: 26px;
}
.detail_case_1 .bit_cont h2 {
  font-size: 16px;
  color: #4a4f55;
}
.detail_case_1 .bit_cont p {
  font-size: 16px;
  color: #4a4f55;
}
.detail_case_1 .bit_cont .li {
  display: inline-block;
  font-size: 16px;
  color: #4a4f55;
  margin-top: 5px;
  text-decoration: underline;
}
.detail_case_2 {
  background: #4a4f55;
  position: relative;
}
.detail_case_2::after {
  content: "";
  position: absolute;
  top: 0px;
  left: 50%;
  transform: translateX(-50%);
  width: 0;
  height: 0;
  border-style: solid;
  border-width: 25px 25px 0 25px;
  border-color: #fff transparent transparent transparent;
  z-index: 9997;
}
.detail_case_2 .warpin {
  padding: 100px 0;
}
.detail_case_2 .title {
  text-align: center;
  margin-bottom: 25px;
  font-size: 32px;
  color: #fff;
  line-height: 38px;
}
.detail_case_2 .det_cont {
  display: flex;
  align-items: center;
  justify-content: center;
}
.detail_case_2 .det_cont .det_inf {
  width: 550px;
}
.detail_case_2 .det_cont .det_inf .dl {
  display: flex;
  align-items: center;
  padding: 10px 0;
}
.detail_case_2 .det_cont .det_inf .dl .dt {
  width: 150px;
  font-size: 16px;
  color: #fff;
  font-weight: bold;
}
.detail_case_2 .det_cont .det_inf .dl .dd {
  font-size: 16px;
  color: #fff;
}
.detail_case_2 .det_cont .det_img {
  position: relative;
  width: 420px;
  padding-left: 40px;
}
.detail_case_2 .det_cont .det_img .img {
  width: 380px;
  height: 185px;
}
.detail_case_2 .det_cont .det_img .img img {
  display: block;
  width: 100%;
  height: 100%;
}
.detail_case_2 .det_cont .det_img .l_det {
  position: absolute;
  left: 0;
  top: 0;
  height: 185px;
}
.detail_case_2 .det_cont .det_img .l_det::after {
  content: "";
  display: block;
  width: 1px;
  height: 100%;
  background: #fff;
  position: absolute;
  top: 0;
  left: 50%;
  transform: translateX(-50%);
}
.detail_case_2 .det_cont .det_img .l_det .txt {
  position: absolute;
  left: 50%;
  top: 50%;
  transform: translate(-50%, -50%);
  background: #4a4f55;
  padding: 12px 0;
  text-align: center;
  z-index: 2;
}
.detail_case_2 .det_cont .det_img .l_det .txt p {
  font-size: 12px;
  color: #fff;
}
.detail_case_2 .det_cont .det_img .b_det {
  position: absolute;
  bottom: -40px;
  left: 40px;
  width: 380px;
  height: 40px;
}
.detail_case_2 .det_cont .det_img .b_det::after {
  content: "";
  display: block;
  width: 100%;
  height: 1px;
  background: #fff;
  position: absolute;
  top: 50%;
  left: 0;
  transform: translateY(-50%);
}
.detail_case_2 .det_cont .det_img .b_det .txt {
  position: absolute;
  left: 50%;
  top: 50%;
  transform: translate(-50%, -50%);
  background: #4a4f55;
  padding: 0 12px;
  text-align: center;
  z-index: 2;
}
.detail_case_2 .det_cont .det_img .b_det .txt p {
  font-size: 12px;
  color: #fff;
}
.detail_case_3 {
  position: relative;
  padding: 100px 0;
  background: #fff;
}
.detail_case_3 .nav_cont {
  display: flex;
  align-items: center;
  justify-content: center;
}
.detail_case_3 .nav_cont .li {
  border: 1px #4a4f55 solid;
  display: inline-block;
  padding: 8px 15px;
  transition: all 0.4s ease-in-out;
  margin: 0 20px;
  font-size: 16px;
  color: #4a4f55;
  background: #fff;
}
.detail_case_3 .nav_cont .li:hover {
  background: #4a4f55;
  color: #fff;
}
.detail_case_4 {
  background: #efefef;
  position: relative;
  padding: 100px 0;
}
.detail_case_4::after {
  content: "";
  position: absolute;
  top: 0px;
  left: 50%;
  transform: translateX(-50%);
  width: 0;
  height: 0;
  border-style: solid;
  border-width: 25px 25px 0 25px;
  border-color: #fff transparent transparent transparent;
  z-index: 9997;
}
.detail_case_4 .title_head {
  text-align: center;
  font-size: 32px;
  color: #4a4f55;
}
.detail_case_4 .case_last {
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
}
.detail_case_4 .case_last .list {
  display: block;
  width: 255px;
  padding: 20px;
  text-align: center;
}
.detail_case_4 .case_last .list .tis_i {
  position: relative;
  overflow: hidden;
  width: 100%;
  height: 102px;
  margin-bottom: 20px;
  box-shadow: 0px 1px 4px #cecece;
}
.detail_case_4 .case_last .list .tis_i img {
  display: block;
  width: 100%;
}
.detail_case_4 .case_last .list .tis_i span {
  position: absolute;
  right: -25px;
  bottom: -25px;
  width: 67px;
  height: 67px;
  border-radius: 50%;
  text-align: center;
  line-height: 56px;
  background: #996D4E;
  font-size: 12px;
  padding-right: 20px;
  color: #fff;
  text-transform: uppercase;
}
.detail_case_4 .case_last .list h2 {
  font-size: 16px;
  color: #4a4f55;
  margin-bottom: 10px;
  font-weight: bold;
}
.detail_case_4 .case_last .list p {
  font-size: 16px;
  color: #4a4f55;
  margin-bottom: 10px;
}
.detail_case_4 .case_last .list .btn {
  display: inline-block;
  color: #4a4f55;
  margin-top: 5px;
  text-decoration: underline;
  font-size: 16px;
}
.product_filter_content {
  display: flex;
  padding: 50px 0;
  justify-content: space-between;
}
.product_filter_content .l_filter {
  width: 248px;
}
.product_filter_content .l_filter .head {
  font-size: 18px;
  color: #222222;
}
.product_filter_content .l_filter .dd {
  display: flex;
  align-items: center;
  position: relative;
  margin-bottom: 10px;
  padding: 5px 0 5px 26px;
  cursor: pointer;
  font-size: 15px;
  color: #666666;
}
.product_filter_content .l_filter .dd input {
  position: absolute;
  left: 0;
  top: 50%;
  transform: translateY(-50%);
  width: 100%;
  height: 100%;
  opacity: 0;
  cursor: pointer;
}
.product_filter_content .l_filter .dd::after {
  content: "";
  display: block;
  width: 20px;
  height: 20px;
  background: url(../i/grey.png) no-repeat;
  background-position: 0px 0px;
  position: absolute;
  left: 0;
  top: 50%;
  transform: translateY(-50%);
}
.product_filter_content .l_filter .dd.active::after {
  background: url(../i/grey.png) no-repeat;
  background-position: -22px 0px;
}
.product_filter_content .l_filter .reset {
  margin: 20px 0;
}
.product_filter_content .l_filter .reset .btn {
  display: inline-block;
  background-color: #999999;
  color: #ffffff;
  border-color: #777777;
  padding: 9px 22px;
  font-size: 12px;
  cursor: pointer;
}
.product_filter_content .r_detail_last {
  width: 890px;
  display: flex;
  flex-wrap: wrap;
}
.product_filter_content .r_detail_last .list {
  width: 24.25%;
  margin-right: 1%;
  margin-bottom: 10px;
  overflow: hidden;
  cursor: pointer;
  position: relative;
}
.product_filter_content .r_detail_last .list:nth-child(4n) {
  margin-right: 0;
}
.product_filter_content .r_detail_last .list img {
  display: block;
  width: 100%;
}
.product_filter_content .r_detail_last .list .txt {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(0, 0, 0, 0.4);
  font-size: 16px;
  color: #fff;
  transition: all 0.6s;
  opacity: 0;
}
.product_filter_content .r_detail_last .list:hover .txt {
  opacity: 0.8;
}
.about_pulic_title {
  color: #222222;
  margin: 40px auto;
  padding: 0;
}
.about_pulic_title h2 {
  font-size: 44px;
}
.about_detail_cont {
  display: flex;
}
.about_detail_cont .l_cont {
  width: 696px;
}
.about_detail_cont .l_cont .txt_box {
  margin-bottom: 20px;
}
.about_detail_cont .l_cont .txt_box h3 {
  font-size: 24px;
  color: #222222;
  font-family: 'lato';
}
.about_detail_cont .l_cont .txt_box p {
  font-size: 16px;
  color: #666666;
  margin: 13px 0;
  line-height: 26px;
  font-family: 'lato';
}
.about_detail_cont .l_cont .avia_text {
  padding: 14px 0 14px 30px;
  border-left: 7px solid #999999;
  font-size: 20px;
  color: #919191;
  font-weight: bold;
  margin-bottom: 20px;
}
.about_detail_cont .r_img {
  width: calc(100% - 696px);
  padding-left: 40px;
}
.about_detail_cont .r_img img {
  display: block;
  width: 100%;
}
.pulic_footer_grid {
  display: flex;
}
.pulic_footer_grid .list {
  width: calc(100% / 3);
  position: relative;
}
.pulic_footer_grid .list .bg {
  display: block;
  width: 100%;
}
.pulic_footer_grid .list .cont_bg {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  padding: 30px;
}
.pulic_footer_grid .list .cont {
  width: 100%;
  padding: 12px 0;
  background-color: rgba(0, 0, 0, 0.4);
  text-align: center;
}
.pulic_footer_grid .list .cont h2 {
  font-size: 26px;
  color: #fff;
  margin-bottom: 20px;
  font-weight: bold;
}
.pulic_footer_grid .list .cont p {
  font-size: 16px;
  color: #fff;
  margin: 15px 0;
}
.pulic_footer_grid .list .cont .view {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 9px 10px;
  border: 1px solid #fff;
  font-size: 16px;
  color: #fff;
  margin: 10px auto;
}
.factor_tis_cont {
  padding: 30px 0;
  border-bottom: 1px solid #e1e1e1;
}
.factor_tis_cont .tis_cont {
  display: flex;
  margin-bottom: 30px;
}
.factor_tis_cont .tis_cont img {
  display: block;
  width: calc(100% / 3);
}
.factor_tis_cont .txt_box {
  width: 50%;
}
.factor_tis_cont .txt_box h2 {
  font-size: 28px;
  color: #222222;
  margin-bottom: 20px;
}
.factor_tis_cont .txt_box p {
  font-size: 14px;
  color: #666666;
  line-height: 30px;
}
.factor_last_cont {
  padding: 30px 0;
}
.factor_last_cont .list_box {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 40px 0;
  border-bottom: 1px solid #e1e1e1;
}
.factor_last_cont .list_box .txt_box {
  width: 696px;
}
.factor_last_cont .list_box .txt_box .title {
  margin-bottom: 20px;
}
.factor_last_cont .list_box .txt_box .title h2 {
  font-size: 28px;
  color: #222222;
}
.factor_last_cont .list_box .txt_box .title h3 {
  font-size: 15px;
  color: #666666;
}
.factor_last_cont .list_box .txt_box p {
  font-size: 14px;
  line-height: 26px;
  color: #666666;
}
.factor_last_cont .list_box .txt_box p b {
  font-weight: bold;
  color: #999999;
}
.factor_last_cont .list_box .img {
  width: 440px;
}
.factor_last_cont .list_box .img img {
  display: block;
  width: 100%;
}
.factor_last_cont .list_box:last-child {
  border-bottom: 0;
}
.equipment_detail_content {
  margin: 30px auto;
}
.equipment_detail_content .tis_cont {
  margin-bottom: 40px;
}
.equipment_detail_content .tis_cont h2 {
  font-size: 20px;
  color: #222222;
  margin-bottom: 20px;
}
.equipment_detail_content .tis_cont p {
  font-size: 16px;
  color: #666666;
  width: 50%;
  margin-bottom: 30px;
}
.equipment_detail_content .bit_dl {
  display: flex;
  flex-wrap: wrap;
  margin-bottom: 30px;
}
.equipment_detail_content .bit_dl img {
  display: block;
  width: calc(100% / 3);
}
.quarries_content {
  margin: 30px auto;
}
.quarries_content .title_head {
  margin-bottom: 40px;
}
.quarries_content .title_head h2 {
  font-size: 34px;
  padding: 14px 0;
  color: #222222;
}
.quarries_content .title_head .txt {
  height: 30px;
  position: relative;
  margin: 20px auto;
  display: flex;
  align-items: center;
}
.quarries_content .title_head .txt::after {
  content: "";
  display: block;
  width: 100%;
  height: 1px;
  background: #666666;
  position: absolute;
  top: 50%;
  left: 0;
  transform: translateY(-50%);
}
.quarries_content .title_head .txt span {
  display: none;
  padding: 0 20px 0 0;
  background: #fff;
  font-size: 28px;
  color: #222222;
  position: relative;
  z-index: 2;
}
.quarries_content .quarr_list {
  display: flex;
  margin-bottom: 80px;
}
.quarries_content .quarr_list .l_det {
  width: 248px;
}
.quarries_content .quarr_list .l_det .tle {
  font-size: 28px;
  color: #222222;
  padding: 0 0 5px 0;
}
.quarries_content .quarr_list .l_det .tab_cont {
  margin-top: 20px;
}
.quarries_content .quarr_list .l_det .tab_cont table {
  border: 1px solid #e1e1e1;
  background: #f8f8f8;
}
.quarries_content .quarr_list .l_det .tab_cont table tr {
  border: 1px solid #e1e1e1;
  font-size: 13px;
}
.quarries_content .quarr_list .l_det .tab_cont table td {
  padding: 14px 8px;
  text-align: left;
  border: 1px solid #e1e1e1;
}
.quarries_content .quarr_list .l_det .tab_cont table tr:nth-child(2n) {
  background: #fff;
  color: #919191;
}
.quarries_content .quarr_list .r_img {
  width: calc(100% - 248px);
  padding-left: 80px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.quarries_content .quarr_list .r_img .l {
  max-width: 560px;
  overflow: hidden;
}
.quarries_content .quarr_list .r_img img {
  height: 426px;
}
.show_room_baner {
  position: relative;
  overflow: hidden;
  height: 500px;
  display: flex;
  align-items: center;
  justify-content: center;
}
.show_room_baner .bg {
  display: block;
  width: 100%;
}
.show_room_baner .warpin {
  position: absolute;
  top: 0;
  left: 50%;
  height: 100%;
  transform: translateX(-50%);
  display: flex;
  align-items: center;
}
.show_room_baner .warpin .cont {
  width: 36.4%;
  padding: 60px 60px 60px 60px;
  background-color: rgba(0, 0, 0, 0.4);
  font-size: 60px;
  color: #FFF;
}
.contact_last {
  display: flex;
  flex-wrap: wrap;
}
.contact_last .list_dl {
  width: calc(100% / 3);
  padding: 40px;
  background: #fff;
}
.contact_last .list_dl .tis_map {
  width: 500px;
  height: 300px;
  overflow: hidden;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto;
  margin-bottom: 30px;
}
.contact_last .list_dl .tis_map img {
  width: 100%;
}
.contact_last .list_dl .tis_header {
  text-align: center;
  margin-bottom: 30px;
}
.contact_last .list_dl .tis_header h2 {
  font-size: 28px;
  color: #222222;
}
.contact_last .list_dl .tis_header p {
  font-size: 15px;
  color: #666666;
}
.contact_last .list_dl .tis_header .btn_dl {
  display: flex;
  align-items: center;
  justify-content: center;
  margin-top: 10px;
}
.contact_last .list_dl .tis_header .btn_dl .btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 12px 16px 10px;
  min-width: 90px;
  margin-bottom: 5px;
  margin-right: 3px;
  margin-left: 3px;
  border: 2px solid rgba(0, 0, 0, 0.6);
  font-size: 16px;
  font-weight: 300;
}
.contact_last .list_dl .tis_header .btn_dl .btn:nth-child(1) {
  background: #999999;
  color: #fff;
  border: none;
  border-bottom: 2px solid rgba(0, 0, 0, 0.6);
}
.contact_last .list_dl .bit_det {
  text-align: center;
}
.contact_last .list_dl .bit_det p {
  font-size: 16px;
  color: #666666;
}
.contact_last .list_dl .bit_det .inf {
  margin-bottom: 30px;
}
.contact_last .list_dl .foot_inf {
  display: flex;
  flex-wrap: wrap;
}
.contact_last .list_dl .foot_inf .dl {
  width: 50%;
  text-align: center;
}
.contact_last .list_dl .foot_inf .dl h2 {
  font-size: 16px;
  color: #999999;
}
.contact_last .list_dl .foot_inf .dl p {
  font-size: 16px;
  color: #666;
}
.contact_last .list_dl:nth-child(2n) {
  background: #f2f2f2;
}
.contact_detail_content {
  padding: 50px 5%;
}
.contact_detail_content .cont_bg {
  width: 50%;
}
.contact_detail_content .tis_cont {
  margin-bottom: 50px;
}
.contact_detail_content .tis_cont .tle {
  font-size: 60px;
  color: #222222;
  margin-bottom: 20px;
  font-weight: 300;
}
.contact_detail_content .tis_cont .txt h3 {
  font-size: 28px;
  color: #222222;
  font-weight: 300;
}
.contact_detail_content .tis_cont .txt p {
  font-size: 15px;
  color: #666666;
  font-weight: 300;
}
.contact_detail_content .int_last {
  display: flex;
  flex-wrap: wrap;
}
.contact_detail_content .int_last .int {
  width: 49%;
  margin-right: 1%;
  margin-bottom: 20px;
}
.contact_detail_content .int_last .int:nth-child(2n) {
  margin-right: 0;
}
.contact_detail_content .int_last .int input {
  width: 100%;
  height: 36px;
  background: #fff;
  padding-left: 10px;
  border: none;
  font-size: 14px;
  border: 1px solid #e1e1e1;
  background-color: #f8f8f8;
  color: #919191;
}
.contact_detail_content .int_last .int select {
  width: 100%;
  height: 36px;
  background: #fff;
  padding-left: 10px;
  border: none;
  font-size: 14px;
  border: 1px solid #e1e1e1;
  background-color: #f8f8f8;
  color: #919191;
}
.contact_detail_content .sub_btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 9px 22px;
  background-color: #999999;
  color: #ffffff;
  border-color: #292d30;
  font-size: 16px;
  color: #fff;
  margin-top: 50px;
}
.contact_detail_content .sub_btn:hover {
  background-color: #4b4f50;
}
.pro_last_baner {
  position: relative;
  overflow: hidden;
  width: 100%;
}
.pro_last_baner .warpin {
  padding: 30px 0;
}
.pro_last_baner .bg {
  position: absolute;
  background-position: 100% 100%;
  background-attachment: scroll;
  background-attachment: fixed;
  background-repeat: no-repeat;
  background-size: cover;
  width: 100%;
  height: 100%;
  bottom: 0;
  left: 0;
}
.pro_last_baner .pro_deta {
  width: 47%;
  padding: 40px 40px 40px 40px;
  background-color: rgba(0, 0, 0, 0.4);
  position: relative;
  z-index: 2;
}
.pro_last_baner .pro_deta h2 {
  font-size: 50px;
  color: #fff;
  letter-spacing: 1px;
}
.pro_last_baner .pro_deta p {
  font-size: 18px;
  line-height: 32px;
  color: #fff;
}
.collec_head_cont {
  padding: 40px 0;
}
.collec_head_cont .tis_head {
  font-size: 34px;
  margin-bottom: 12px;
}
.collec_head_cont .pro_dl {
  margin-top: 50px;
  display: flex;
  justify-content: space-between;
  margin-bottom: 50px;
}
.collec_head_cont .pro_dl .dd {
  width: calc(100% / 5);
  text-align: center;
  padding: 0 20px;
}
.collec_head_cont .pro_dl .dd .tis_i {
  width: 100%;
}
.collec_head_cont .pro_dl .dd img {
  width: 100%;
  transition: all 0.6s;
  box-shadow: 0 6px 6px 0 rgba(0, 0, 0, 0.15), 0 10px 20px 0 rgba(0, 0, 0, 0.2);
}
.collec_head_cont .pro_dl .dd p {
  padding: 14px 0;
  font-size: 14px;
  font-family: "Lato", sans-serif;
  font-style: italic;
}
.collec_head_cont .pro_dl .dd:hover img {
  transform: scale(1.1, 1.1);
}
.collec_head_cont .more {
  text-align: center;
  padding: 30px 0;
}
.collec_head_cont .more .ava_btn {
  display: inline-flex;
  background: #999;
  padding: 15px 30px;
  color: #ffffff;
  border-bottom: 1px solid #777777;
  border-radius: 0px;
  border-width: 2px;
  font-family: 'lato', Helvetica, Arial, sans-serif;
  font-size: 16px;
  font-weight: 300;
  letter-spacing: 0.05em;
}
.collec_head_cont .bit_last {
  display: flex;
  flex-wrap: wrap;
  padding: 30px 0;
}
.collec_head_cont .bit_last .li {
  width: calc(96% / 5);
  margin-right: 1%;
  position: relative;
}
.collec_head_cont .bit_last .li:nth-child(5n) {
  margin-right: 0;
}
.collec_head_cont .bit_last .li img {
  display: block;
  width: 100%;
}
.collec_head_cont .bit_last .li .txt {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(0, 0, 0, 0.4);
  opacity: 0;
  transition: all 0.4s;
}
.collec_head_cont .bit_last .li .txt p {
  font-size: 16px;
  color: #fff;
}
.collec_head_cont .bit_last .li:hover .txt {
  opacity: 1;
}