li { list-style: outside none none; }
ul li a { display: block; }
a { text-decoration: none; color: rgb(102, 102, 102); outline: currentcolor none medium; }
img { border: medium none; }
a, img { border: 0px none; }
.clearfix { }
.clearfix::after { content: ""; display: block; clear: both; }
a { outline: currentcolor none medium !important; }
img { border: 0px none; }
body { font-family: "Microsoft YaHei", "微软雅黑" !important; overflow: hidden; }
body.on { overflow: hidden scroll; }
::-webkit-scrollbar-track-piece { width: 5px; background-color: rgb(255, 255, 255); }
::-webkit-scrollbar { width: 5px; height: 6px; }
::-webkit-scrollbar-thumb { height: 50px; background-color: rgb(0, 0, 0); }
::selection { background: rgb(0, 0, 0) none repeat scroll 0% 0%; color: rgb(255, 255, 255); }
.nav_btn { position: absolute; top: 50%; left: 7%; margin-top: -20px; line-height: 40px; font-size: 13px; color: rgb(0, 0, 0); cursor: pointer; }
.nav_btn span { display: inline-block; width: 30px; margin-right: 10px; position: relative; top: 6px; }
.nav_btn span i { display: block; height: 4px; background: rgb(0, 0, 0) none repeat scroll 0% 0%; margin: 5px 0px; }
.show_nav_btn { position: fixed; top: 50px; left: -100px; z-index: 9; cursor: pointer; transition: all 0.9s cubic-bezier(0.18, 1, 0.21, 1) 0s; }
.show_nav_btn span { display: inline-block; width: 30px; margin-right: 10px; position: relative; top: 6px; }
.show_nav_btn span i { display: block; height: 4px; background: rgb(0, 0, 0) none repeat scroll 0% 0%; margin: 5px 0px; }
.show_nav_btn b { display: block; font-weight: normal; font-size: 13px; color: rgb(0, 0, 0); position: relative; left: -35px; margin-top: 10px; transform: rotate(-90deg); transform-origin: 100% 0% 0px; }
.show_nav_logo { position: fixed; top: 60px; right: -100px; z-index: 9; transition: all 0.9s cubic-bezier(0.18, 1, 0.21, 1) 0s; }
.show_nav_btn_icon { width: 30px; margin-top: 90px; }
.show_nav_btn_icon p { width: 30px; margin: 60px 0px 0px; padding: 5px; position: relative; }
.show_nav_btn_icon p img { transition: all 0.6s cubic-bezier(0.18, 1, 0.21, 1) 0s; }
.show_nav_btn_icon p img.nav_icon2 { position: absolute; top: 5px; left: 5px; opacity: 0; }
.show_nav_btn_icon p:hover img.nav_icon1 { opacity: 0; }
.show_nav_btn_icon p:hover img.nav_icon2 { opacity: 1; transform: scale(1.2); }
.footer { background: rgb(85, 86, 87) none repeat scroll 0% 0%; padding-top: 120px; padding-bottom: 40px; margin-bottom: 40px; margin-top: 300px; width: calc(50% + 550px); position: absolute; top: 0px; left: auto; right: 0px; }
.footer_box { width: 100%; height: 700px; position: relative; z-index: 2; overflow: hidden; background-color: rgb(63, 64, 65); }
.footer_con { width: 100%; margin: 0px auto 50px; position: relative; padding: 0px 120px; letter-spacing: 0px; }
.footer_left { width: 100%; }
.footer_left_a { width: 100%; margin-bottom: 40px; margin-top: -50px; margin-left: -40px; }
.footer_left_a p { font-size: 12px; color: rgb(204, 204, 204); }
.footer_left_a ul { padding: 0px; margin: 20px 0px 0px; width: 100%; }
.footer_left_a ul li { width: 25%; float: left; text-align: center; list-style: outside none none; }
.footer_left_a ul li img { width: 50px; }
.footer_left_a ul li span { display: block; font-size: 12px; color: rgb(204, 204, 204); margin-top: 8px; }
.footer_left_b { width: 100%; position: relative; }
.footer_left_c { width: 71.42%; position: absolute; top: 0px; left: 100%; }
.footer_left_b1 { width: 100%; padding: 10px 0px 10px 120px; position: relative; margin-bottom: 20px; }
.footer_left_b1 p { font-size: 18px; line-height: 30px; color: rgb(204, 204, 204); margin: 0px; letter-spacing: 1px; }
.footer_left_b1 h5 { margin: 0px; position: absolute; top: 0px; left: 0px; font-size: 32px; color: rgb(255, 255, 255); letter-spacing: 3px; padding-top: 35px; }
.footer_left_b1 h5 i { width: 100%; height: 2px; background: rgb(238, 238, 238) none repeat scroll 0% 0%; position: absolute; top: 0px; left: 0px; }
.footer_left_b1 h5 span { font-size: 14px; color: rgb(204, 204, 204); position: absolute; top: 10px; left: 0px; letter-spacing: 0px; text-transform: uppercase; }
.footer_left_b2 { width: 80%; font-size: 15px; line-height: 30px; color: rgb(204, 204, 204); }
.footer_right { width: 90%; margin-top: -80px; }
.footer_right b { display: block; font-size: 140px; color: rgb(255, 255, 255); line-height: 1; }
.footer_right p { font-size: 16px; line-height: 26px; color: rgb(204, 204, 204); margin-bottom: 0px; }
.footer_bot { width: 83.3%; margin: 0px auto; position: relative; letter-spacing: 0px; }
.footer_bot span { display: block; font-size: 14px; opacity: 0.5; color: rgb(255, 255, 255); letter-spacing: 1px; line-height: 20px; }
.footer_bot span i { margin-right: 4px; }
.footer_bot_box { position: relative; }
.about_banner { width: 100%; padding: 9% 0px 5%; }
.about_banner_con { width: 78%; margin: 0px auto; padding: 0px 120px; }
.about_banner_con h5 { font-size: 80px; line-height: 110px; margin: 0px 0px 20px; position: relative; top: 40px; opacity: 0; }
.about_banner_con p { max-width: 650px; font-size: 20px; line-height: 35px; position: relative; top: 40px; opacity: 0; }
.about_box { width: 100%; position: relative; z-index: 2; }
.about_sec1 { width: 100%; padding-left: 11%; position: relative; }
.about_sec1_img { width: 100%; background-size: cover; transform: scale(1.2); opacity: 0; transition: all 0.9s cubic-bezier(0.18, 1, 0.21, 1) 1.8s; }
.about_sec1_img.show { transform: scale(1); opacity: 1; }
.about_sec1_img_box { overflow: hidden; }
.about_sec1_bg { position: absolute; z-index: 9; height: 100%; left: 0px; right: 100%; background: rgb(248, 238, 166) none repeat scroll 0% 0%; transition: right 0.9s cubic-bezier(0.18, 1, 0.21, 1) 0.6s, left 0.3s cubic-bezier(0.18, 1, 0.21, 1) 1.5s, opacity 0.9s cubic-bezier(0.18, 1, 0.21, 1) 1.8s; }
.about_sec1_bg.on { right: 0px; left: 11%; opacity: 0; }
.about_sec2 { width: 100%; padding: 150px 11%; }
.about_box_bg { width: 100%; bottom: 160px; top: 160px; left: 0px; position: absolute; z-index: -1; background: rgb(172, 188, 196) none repeat scroll 0% 0%; }
.about_sec2_con { width: 100%; padding: 0px 120px; }
.about_sec2_con > p { font-size: 18px; line-height: 40px; color: rgb(255, 255, 255); margin: 0px 0px 60px; position: relative; top: 40px; opacity: 0; }
.about_sec2_con ul { padding: 0px; margin: 0px; width: 100%; max-width: 1100px; }
.about_sec2_con ul li { width: 33.33%; float: left; position: relative; top: 40px; opacity: 0; }
.about_sec2_con ul li h5 { font-size: 80px; line-height: 110px; color: rgb(255, 255, 255); }
.about_sec2_con ul li p { margin-top: 25px; margin-bottom: 0px; font-size: 15px; line-height: 25px; color: rgb(255, 255, 255); }
.about_sec2_con ul li p::before { content: ""; display: block; margin-bottom: 15px; width: 40px; height: 1px; background: rgb(255, 255, 255) none repeat scroll 0% 0%; }
.about_sec3 { width: 100%; padding-right: 11%; }
.about_sec3_img { width: 100%; padding-top: 40%; background: rgba(0, 0, 0, 0) url("../images/about_sec3.jpg") no-repeat scroll center center / cover; opacity: 0; }
.about_sec4 { width: 100%; padding: 160px 11%; }
.about_sec4_con { width: 100%; padding: 0px 120px; }
.about_sec4_left { width: 78%; padding-right: 70px; font-size: 15px; line-height: 25px; position: relative; }
.about_sec4_left::after { background: currentcolor none repeat scroll 0% 0%; content: ""; display: block; height: 1px; margin-bottom: 20px; position: absolute; right: 0px; top: 12px; width: 60px; }
.about_sec4_right { width: 100%; max-width: 780px; }
.about_sec4_right p { font-size: 20px; line-height: 35px; margin: 0px 0px 20px; color: rgb(151, 154, 157); }
.about_sec4_con .row:first-child { margin-bottom: 0px; }
.about_sec4_con .row { position: relative; top: 40px; opacity: 0; }
@media screen and (min-width: 1000px) {
  .about_banner_con h5 { font-size: 50px; line-height: 80px; }
  .about_banner_con p { font-size: 18px; line-height: 30px; }
  .about_sec2 { padding: 80px 11%; }
  .about_sec2_con > p { font-size: 18px; line-height: 30px; margin-bottom: 40px; }
  .about_sec2_con ul li h5 { font-size: 65px; line-height: 80px; }
  .about_sec4 { padding: 130px 11%; }
  .about_sec4_right p { font-size: 18px; line-height: 30px; }
}
@media screen and (min-width: 1200px) {
  .about_banner_con h5 { font-size: 60px; line-height: 90px; }
  .about_banner_con p { font-size: 18px; line-height: 30px; }
  .about_sec2 { padding: 100px 11%; }
  .about_sec2_con > p { font-size: 20px; line-height: 40px; margin-bottom: 40px; }
  .about_sec2_con ul li h5 { font-size: 70px; line-height: 90px; }
  .about_sec4 { padding: 140px 11%; }
  .about_sec4_right p { font-size: 18px; line-height: 30px; }
}
@media screen and (min-width: 1400px) {
  .about_banner_con h5 { font-size: 70px; line-height: 100px; }
  .about_banner_con p { font-size: 20px; line-height: 35px; }
  .about_sec2 { padding: 120px 11%; }
  .about_sec2_con > p { font-size: 22px; line-height: 35px; margin-bottom: 50px; }
  .about_sec2_con ul li h5 { font-size: 75px; line-height: 100px; }
  .about_sec4 { padding: 150px 11%; }
  .about_sec4_right p { font-size: 20px; line-height: 35px; }
}
@media screen and (min-width: 1600px) {
  .about_banner_con h5 { font-size: 80px; line-height: 110px; }
  .about_banner_con p { font-size: 20px; line-height: 35px; }
  .about_sec2 { padding: 140px 11%; }
  .about_sec2_con > p { font-size: 22px; line-height: 50px; margin-bottom: 60px; }
  .about_sec2_con ul li h5 { font-size: 80px; line-height: 110px; }
  .about_sec4 { padding: 160px 11%; }
  .about_sec4_right p { font-size: 20px; line-height: 35px; }
}
.footer { width: 89%; margin-bottom: 0px; position: relative; margin-left: 11%; margin-top: -140px; padding-bottom: 50px; }
.footer_box { height: auto; margin-top: 140px; padding: 1px 0px 140px; }
.footer::before { width: 100%; height: 30px; content: ""; background: rgb(85, 86, 87) none repeat scroll 0% 0%; position: absolute; top: -30px; left: 0px; }
.footer_bot { width: 100%; padding: 0px 120px; }
.footer_txt { position: absolute; bottom: 60px; left: calc(11% + 120px); line-height: 20px; font-size: 14px; color: rgb(255, 255, 255); opacity: 0.4; }
.footer_contact { position: absolute; bottom: 60px; right: 120px; line-height: 20px; font-size: 14px; color: rgb(255, 255, 255); opacity: 0.4; }
.footer_contact i { font-size: 16px; display: inline-block; margin-left: 20px; }
.footer_contact font { display: inline-block; width: 30px; height: 1px; background: rgb(255, 255, 255) none repeat scroll 0% 0%; margin-left: 15px; margin-right: 10px; position: relative; top: -4px; }

@keyframes Fb {
  0% { left: 80%; top: 20%; }
  100% { left: 85%; }
}
@keyframes Fb {
  0% { left: 80%; top: 20%; }
  100% { left: 85%; }
}
@keyframes Gb {
  0% { transform: rotate(180deg); }
  100% { transform: rotate(0deg); }
}
@keyframes Gb {
  0% { transform: rotate(180deg); }
  100% { transform: rotate(0deg); }
}
@keyframes Hb {
  0% { transform: rotate(-160deg); }
  100% { transform: rotate(0deg); }
}
@keyframes Hb {
  0% { transform: rotate(-160deg); }
  100% { transform: rotate(0deg); }
}
@media screen and (max-width: 768px) {
  .about_banner{padding-top:80px;}
  .about_banner_con{width:92%;padding:0}
  .about_banner_con h5{font-size:24px;line-height:40px;}
  .about_banner_con p{font-size:16px;line-height:28px;}
  .about_sec2_con,.about_sec4_con{padding:0}
  .about_box_bg{top:80px;;bottom: 80px;}
  .about_sec2{padding:20px 4%}
  .about_sec2_con > p{font-size:14px;line-height:28px;margin-bottom: 16px;}
  .about_sec2_con ul li p{font-size: 12px;line-height:20px;margin-top: 4px;}
  .about_sec2_con ul li p::before{margin-bottom:10px;}
  .about_sec2_con ul li h5{font-size:24px;line-height: 40px;}
  .about_sec4{padding:30px 4% 30px 8%}
  .about_sec4_left { width: 100%; padding-left: 40px; font-size: 16px; line-height: 24px;margin-bottom:6px;}
  .about_sec4_left::after {right:auto;left:-10px;width: 40px; }
  .about_sec4_right p{font-size:14px;line-height:24px;}
  
}