.m{ max-width: 1600px; width: 100%; padding: 0 80px; height:100%; margin: 0 auto; display: block; position:relative;}
.about1_box {
    padding:120px 0px;
}
.about1_box .piece1{

}
.about1_box .piece1 span {
    font-size:24px;
    color:#404c62;
}
.about1_box .piece1 h3 {
    margin-top:0px;
    font-size:28px;
    font-weight:bold;
}
.about1_box .piece1 h3::after {
    content:"";
    width:130px;
    height:15px;
    background:#0d92d8;
    margin-top:10px;
    display:block;        
    }

.about1_box .piece1 p {
margin:30px 0px;
font-size:16px;
color:#666;
width:80%;
}
.about1_box .piece2  {
    position:relative;
}
 .about1_box .piece2 .whbox{
width:460px;
height:330px;
position:absolute;
right:55px;
bottom:-50px;
background:rgba(13,146,216,0.9);
padding:0px 50px;
    }

.about1_box .piece2 .whbox h3{
color:#fff;
font-size:20px;
margin-bottom:30px;
text-align:right;
    }
.about1_box .piece2 .whbox p {
color:#d2d3d7;
font-size:16px;
text-align:right;
    }

.about1_box .piece2 img {
}
.about1_box .piece2 ul{
    margin-top:50px;
    width:50%;
    margin-left: 5%;
}





.about1_box .piece2 ul li p{
    font-size: 14px;
    }


.about1_box .piece2 ul li{
    font-size: 25px;
    color: #0d92d8;
    font-weight: bold;
    margin-bottom: 40px;
    padding-left: 10px;
    }

    .about1_box .piece2 ul li div{
    display: inline-block;
    padding-left: 30px;
    vertical-align: top;
    }



.about2_box {
padding:90px 0px 120px;
}
.about2_box span {
position:relative;
margin-bottom: 80px;
display:block;
}
.about2_box span em{
font-size:36px;
font-weight:bold;
text-align:center;
z-index:1;
position:relative;
display:block;

}


/*.about2_box span:after {
    content: '';
    position: absolute;
    left: 50%;
    bottom: 20px;
    transform: translateX(-50%);
    display: block;
    width: 160px;
    height: 8px;
    background: #15559c;
    border-radius: 4px;
}*/

.about2_box ul {
}

.about2_box ul li {
    width: 20%;
    float: left;
    height: 560px;
    transition: 0.5s;
    overflow: hidden;
}

.about2_box ul li.on {
    width: 60%;
}

.about2_box ul li a {
    display: block;
    padding-left: 1px;
}

.about2_box ul li .box {
    height: 560px;
    color: #fff;
    position: relative;
    transition: 0.5s;
}



.about2_box ul li .txt2 {
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    height: 100%;
    padding: 0 1.5rem;
    transition: 0.5s;
    z-index: 1;
}

.about2_box ul li .tt {
}

.about2_box ul li .con h3 {
    font-size: 16px;
    line-height: 25px;
    transition: 0.3s;
    height: 2.75rem;
    text-align:left;
    margin-bottom:5px;
}

.about2_box ul li .con h3:nth-child(1) {
    font-size: 13px;
}

.about2_box ul li .con h4 {
    font-size: 16px;
    line-height: 25px;
    opacity: 0;
    transition: 0.5s;
    height: 0;
}

.about2_box ul li .con h3 span {
    display: block;
    font-size: 16px;
}

.about2_box ul li .con {
    margin-top: 50px;
    color: #16569d;
    transition: 0.5s;
}

.about2_box ul li .con p {
    font-size: 0.75rem;
    line-height: 1.5rem;
    height: 0;
    width: 16.25rem;
    opacity: 0;
    overflow: hidden;
    transition: 0.5s;
    margin-bottom: 1.5rem;
}

.about2_box ul li .btn_arrow {
}

.btn_arrow {
    display: block;
    width: 1.875rem;
    height: 1.875rem;
    border-radius: 50%;
    border: 1px solid #fff;
    background: url(../images/btn_arrow.png) center no-repeat;
}

.about2_box ul li.on .box .txt2 {
    width: 21.25rem;
    height: 13rem;
    transition-delay: 0.4s;
}

.about2_box ul li.on .box .txt2:before {
    background: rgba(230, 112, 21, 0.9);
}

.about2_box ul li.on .box .con p {
    opacity: 1;
    height: 3rem;
}

.about2_box ul li.on .box .con h3 {
    opacity: 0;
    height: 0;
}

.about2_box ul li.on .box .con h4 {
    opacity: 1;
    height: 1.875rem;
}
.about3_box {
min-height:800px;
width:100%;
padding:80px 0px 150px;
background:url(../images/ryzz.png) center / cover no-repeat;
}
.about3_box h3{
font-size:36px;
text-align:center;
color:#333;
font-weight:bold;
margin-bottom:100px;
}
.about3_box .ryzzbox{

}
.about3_box {
}
.about3_box {
}


.about4_box {
background-image: url(../images/about_bg3.png);
}
    .about4_box .container {
        padding:100px 0px 0px;
    }
.about4_box .container h3{
font-size:36px;
text-align:left;
color:#404c62;
font-weight:bold;
line-height: 100px;
background:url(../images/hl.png) no-repeat 175px 3px;
}





 .about4_box .container .lbox, .about4_box .container .rbox {
display:inline-block;
width:49%;
        }

.about4_box .container .lbox h2 {
font-size:100px;
font-weight:bold;
color:#15559c;
    }
.about4_box .container .lbox p::before {
content:"";
width:10px;
height:13px;
background:#16569d;
display:inline-block;
vertical-align:middle;
margin-right: 10px;
    }
.about4_box .container .lbox p {
font-size:20px;
color:#333;
    }

.about5_box {
padding:100px 0px;
  background-size: cover;
background: url(http://www.gonoptics.com/static/style/pc/images/hezuopinpaibg.jpg) no-repeat;
}
.about5_box h3{
font-size:36px;
font-weight:bold;
text-align:center;
z-index:1;
position:relative;
display:block;
}




#certify .swiper-container {
  padding-bottom: 70px;
}
#xjsb #certify .swiper-slide {
  width: 48.4375rem;
}
#certify .img {
  position: relative;
}
#certify .swiper-slide img {
  display: block;
  transition: .5s;
}
#certify .swiper-slide p {
  padding-top: 2rem;
  text-align: center;
  color: #626262;
  font-size: 1.1rem;
  margin: 0;
  opacity: 0;
  transition: .5s;
  position: absolute;
  bottom: -3.25rem;
  width: 100%;
}
#certify .swiper-slide-active p {
  opacity: 1;
}
 #zscq .m div.cer svg path {
  fill: #2b3850;
  transition: all .4s;
}
#zscq .m div.cer:hover svg path {
  fill: #fff;
  transition: all .4s;
}
 #zscq .m div.cer:hover {
  background: #013281;
  border: 1px solid #15559c;
}
 #zscq .m div.arr {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  margin-top: -2rem;
  width: 2.375rem;
  height: 2.375rem;
  transition: .5s;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  border: 1px solid #fff;
  transition: all .4s;
}
 #zscq .m .arr_right {
  right: 0;
}
 #zscq .m .arr_left {
  left: 0;
}
 #zscq .m .arr {
  position: absolute;
  z-index: 9;
  top: 50%;
  margin-left: 0;
  margin-right: 0;
  transform: translateY(-50%);
  margin-top: -3rem;
  width: 4.375rem !important;
  height: 4.375rem !important;
  transition: .5s;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
}

/* 人力资源 */

.hd {
  padding: 5.9375rem 0 5.625rem;
}
.hd ul {
  display: flex;
  justify-content: center;
}
.hd ul li {
  margin: 0 5px;
}
.hd ul li.on a {
  color: #fff;
  background: #013281;
}
.hd ul li a {
  font-size: 1rem;
  color: #26334c;
  width: 9.6875rem;
  height: 3.125rem;
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  z-index: 0;
  border-radius: 25px;
  transition: all ease 600ms;
  overflow: hidden;
  border: 1px solid #d7d7d7;
}
.hd ul li a:after {
  content: '';
  position: absolute;
  right: 0;
  top: 0;
  display: block;
  height: 100%;
  width: 0;
  background: #013281;
  transition: all ease 600ms;
  z-index: -1;
}
.hd ul li:hover a:after {
  width: 100%;
  left: 0;
  right: auto;
}
.hd ul li:hover a {
  color: #fff;
}


#zscq #certify .swiper-slide {
  width: 24.75rem;
  max-width: 30%;
  box-shadow: -1px 6px 8px rgba(0, 0, 0, 0.15)
}
#certify .swiper-slide-active .img:before {
  background: rgba(0, 0, 0, 0);
}
#certify .img:before {
  content: "";
  display: block;
  width: 100%;
  height: 100%;
  position: absolute;
  left: 0;
  top: 0;
  z-index: 9;
  background: rgba(0, 0, 0, 0.4);
}

#zscq #certify {
  position: relative;
  width: 1100px;
  margin: 0 auto;
  max-width: 93%;
}
#zscq .m .arr_left {
  left: 8%;
}
#zscq .m .arr_right {
  right: 8%;
}
#zscq .swiper-slide p {
  font-size: 1.125rem;
  color: #000000 !important;
}


#zscq {
  position: relative;
}




.img_db{ width: 100%; position: relative;}

.img_db:after{ content: ""; display: block; width: 100%; height: 0; padding-top: 60.9%; position: static !important;}

.img_db img{ position: absolute; left: 0; top: 0; width: 100%; height: 100%; object-fit: cover;} 

.img_db .pic{ position: absolute; left: 0; top: 0; width: 100%; height: 100%; display: flex; align-items: center; justify-content: center;}

.img_db .pic img{ position: static; width: 65%; height: auto; object-fit: contain;}

   #certify .img:after {
        padding-top: 139.55%;
    }
 #certify .swiper-slide {
  width: 24.75rem;
  max-width: 30%;
  box-shadow: -1px 6px 8px rgba(0, 0, 0, 0.15)
}

 .m1{ max-width: 1600px; width: 100%; padding: 0 80px; height:100%; margin: 0 auto; display: block; position:relative;}




 #hezuo {
  position: relative;
  width: 100%;
  position: relative;
  z-index: 10;
  margin-top:80px;
}
 
  #hezuo .swiper {
    position: relative;
    overflow: hidden;
    list-style: none;
    padding: 0;
    z-index: 1;
}
 #hezuo .swiper-button-next, .swiper-button-prev {
     top:50%;
}

#hezuo .hx {
  position: absolute;
  width: 163px;
  height: 158px;
  left: 3.125rem;
  top: -10%;
  z-index: 10;
}
#hezuo .mx {
  position: absolute;
  width: 120px;
  height: 157px;
  right: 0;
  bottom: 5%;
  z-index: 10;
}
#swiper3 a .copmb {
  position: absolute;
  background: #013281;
  width: 100%;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1rem;
  color: #fff;
  opacity: 0;
  transition: all .4s;
  top: 0;
  border-radius: 10px;
  padding: 0 1rem;
  text-align: center;
}
#swiper3 a .copmb p {
  line-height: 1.5;
}
#swiper3 a {
  background: #fff;
  display: flex;
  flex-direction: column;
  margin-bottom: 25px;
  border-radius: 10px;
  position: relative;
  align-items: center;
  justify-content: center;
  width: 13.75rem;
  height: 13.75rem;
}
#swiper3 a + a {
  margin-bottom: 0;
}
#swiper3 a:hover .copmb {
  opacity: 1;
}
#hezuo .swiper-button-whites {
  border: 1px solid #9499a5;
  width: 4.375rem;
  height: 4.375rem;
  display: flex;
  border-radius: 50%;
  align-items: center;
  justify-content: center;
  background: none;
  transform: translate(0, -25%);
  transition: all .4s;
}
#hezuo .prev3 {
  left: -25px !important;
}
#hezuo .next3 {
  right: -25px !important;
}
#hezuo .swiper-button-whites:hover {
  background: #013281;
  border: 1px solid #013281;
}
#hezuo .swiper-button-whites svg path {
  fill: #2b3850;
  transition: all .4s;
}
#hezuo .swiper-button-whites:hover svg path {
  fill: #fff;
}

#hezuo .swiper-button-prev:after, .swiper-container-rtl .swiper-button-next:after {
    color: #9499a5;
}

.swiper-button-next:after, .swiper-container-rtl .swiper-button-prev:after {
 color: #9499a5;
}


#culture{margin-top:60px;}
#culture ul{display:flex;}
#culture ul li{position:relative; width:350px; height:480px; transition:width 0.6s linear; overflow:hidden; cursor:pointer;}
#culture ul li:after{content:''; position:absolute; left:0; right:0; top:0; bottom:0; display:block; background:rgba(0,0,0,.32);}
#culture ul li img{width:350px; height:480px; transition:width 0.6s linear;}
#culture ul li .item{position:absolute; z-index:1; left:48px; right:48px; bottom:48px;transition: 0.5s;}
#culture ul li .item i{display:block; height:42px; background-repeat:no-repeat; background-position:bottom center;}
#culture ul li .item i.cul-icon1{width:38px; background-image:url(../images/cul-icon1.png);}
#culture ul li .item i.cul-icon2{width:42px; background-image:url(../images/cul-icon2.png);}
#culture ul li .item i.cul-icon3{width:36px; background-image:url(../images/cul-icon3.png);}
#culture ul li .item h2{height:24px; line-height:24px; margin-top:20px; font-size:22px; color:#fff; overflow:hidden;}
#culture ul li .item h3{height:18px; line-height:18px; margin-top:10px; font-family:'Arial'; font-size:16px; color:#fff; overflow:hidden;}
#culture ul li .item h4{display:none; height:20px; line-height:20px; margin-top:40px; font-size:17px; color:#fff; overflow:hidden;}
#culture ul li.current{width:900px;}
#culture ul li.current img{width:900px;}
#culture ul li.current .item{left:68px; right:68px; top:64px; bottom:64px;}
#culture ul li.current .item h4{display:block;}
#culture ul li:hover{transition:width 0.6s linear;}
#culture ul li:hover img{transition:width 0.6s linear;}
.wrapper{
        width:1400px; margin:100px auto;
    }


.wrapIn {
    padding: 0 160px;
    margin: 0 auto;
}
.develop{padding-bottom: 10px;background-position: top left;background-repeat: no-repeat;background-size: cover;padding-bottom: 50px;}

.develop-top{padding-top: 0px;overflow: hidden;}

.developLef{float: left;width: 60%;}

.developRig{float: right;width: 30%;}



.develop-top .develop-mes .year{font-size: 100px;line-height: 100px;color: #12a79d;padding-top: 20px;font-family: 'dinBold'; margin-bottom: 55px;background:#0d92d8;background-clip: text; -webkit-background-clip: text; color:transparent;  -webkit-text-fill-color: transparent;}

.develop-top .develop-mes .info{font-size: 16px;line-height: 30px;color: #343434;}

.develop-top .develop-mes .info p{position: relative;padding-left: 30px;margin: 15px auto;    line-height: 30px;}

.develop-top .develop-mes .info p em{display: inline-block;position: absolute;left: 3px;top:12px;width: 10px;height: 10px;background: #0d92d8;border-radius: 50%;}



.develop-top .imgBox{position: relative;box-sizing: border-box;}

.develop-top .imgBox .img{position: relative; }

.develop-top .imgBox .img img{width: 100%;border-radius:15px;display:none;}


.developRig{padding-bottom: 65px;box-sizing: border-box;position: relative;margin-right: 55px;}

.developRig::after{content: '';position: absolute;right: -55px;bottom: -65px;width: 100%;height: 100%;background: none;}



.developLef .swiper-slide{opacity: 0;}

.developLef .swiper-slide-active{opacity: 1;}

.develop-year{margin-top: 0px;position: relative;padding: 0 160px;overflow: hidden;padding-bottom: 150px;}

.develop-year .line{position: absolute;left: 0;top:32px;width: 100%;height: 2px;background-image: url("../images/line.png");background-position: left center;background-repeat: no-repeat;background-size: 100% 100%;z-index: 2;}

.develop-year .year-list{text-align: center;padding-top: 29px;cursor: pointer;}

.develop-year .year-list em{position: relative;display: inline-block;width: 10px;height: 10px;background: #666;border-radius: 50%;z-index: 10;}

.develop-year .year-list em::after{content: "";position: absolute;left: 50%;top:50%;width: 24px;height: 24px;background: rgba(102,102,102,0.12);border-radius: 50%;margin-left: -12px;margin-top: -12px;}

.develop-year .year-list p{font-size: 22px;line-height: 22px;color: #7a7a7a;margin-top: 15px;}

.develop-year .swiper-container{z-index: 3;overflow: hidden;}

.develop-year .swiper-wrapper{z-index: 3;}

.develop-year .swiper-slide{text-align: center;width: 20%;}


.develop-year .swiper-slide:hover .year-list p,.develop-year .swiper-slide-thumb-active .year-list p{color: #0d92d8;}

.develop-year .swiper-slide:hover .year-list p,.develop-year .swiper-slide-thumb-active .year-list em {
    background: #0d92d8;
}
    .develop-year .swiper-slide:hover .year-list p {
        background:none;
    }
.develop-year .swiper-slide:hover  .year-list em {
    background: #0d92d8;
}
.develop-year .swiper-slide:hover .year-list em::after,.develop-year .swiper-slide-thumb-active .year-list em::after {
   background: rgba(13,146,216,0.12);
}
.develop-year .swiper-button-prev,.develop-year .swiper-button-next{position: absolute;top:4px;width: 58px;height: 58px;border-radius: 50%;background-color: #0d92d8;background-position: center center;background-repeat: no-repeat;background-size: 26px;margin-top: 0;z-index: 100;}

.develop-year .swiper-button-prev{left:100px;}

.develop-year .swiper-button-next{right:100px;}

.develop-year .swiper-button-next.swiper-button-disabled,.develop-year .swiper-button-prev.swiper-button-disabled{opacity: 0.55;}
.develop-year .swiper-button-next:after, .swiper-container-rtl .swiper-button-prev:after {
    color: #fff;
}
.develop-year .swiper-button-prev:after, .swiper-container-rtl .swiper-button-next:after {
 color: #fff;
}


#nav_slide{ display:none; }


.foot {
    padding:50px 0px 0px 0px;
}



@media screen and (max-width:640px) {

    .about1_box {
        padding:40px 10px;
    }
.about1_box .piece1 span {
    font-size: 14px;
    color: #404c62;
    letter-spacing: -1px;
}

.about1_box .piece1 h3 {
 
    font-size: 20px;
}
    .about1_box .piece1 h3::after {
        content: "";
        width: 80px;
        height: 5px;
    }


.about1_box .piece1 p {
    margin: 15px 0px;
    font-size: 14px;
    color: #666;
    width: 100%;
}
        .about1_box .piece2 .whbox {
display:none;
        }

.about1_box .piece2 ul {
    margin-top: 50px;
    width: 100%;
    margin-left: 0px;
}


.about1_box .piece2 ul li {
    font-size: 20px;
    color: #15569c;
   font-weight: normal;
    margin-bottom: 0px;
    padding-left: 0px;
    display: inline-block;
    width: 33%;
        text-align: center;

}

.about1_box .piece2 ul li div {
    display: block;
    padding-left: 0px;
    vertical-align: top;
    margin-top: 10px;
}




.about2_box {
    padding: 40px 0px 20px;
}
    .about2_box span em {
font-size:24px;
    }




#culture {
    margin-top: 30px;
}

.n_title {
 
}
    .about2_box span {
margin-bottom: 20px
    }

/*子导航*/
#nav_slide{ background: #fff;line-height: 50px; position: relative; z-index: 88;display:block; }
#nav_slide #bnt_back{ position:absolute; left: 1rem; top:-15px;  }
#nav_slide #bnt_back img{ height: 15px;}
#nav_slide .n_title{ height: 50px; border-bottom:1px solid #d9d9d9; display:block;}
#nav_slide h1{ font-size: 16px; color: #333; text-align: center; line-height: 50px;}
#bnt_sub_nav{ position: absolute; right: 1rem; top: 17.5px; cursor: pointer; }
#bnt_sub_nav img{ display: block; height: 15px; }
#bnt_sub_nav.on img{-webkit-transform:rotate(-180deg);transform:rotate(-180deg);}
#sub_nav_content{background: #f3f3f3; display: block; z-index: 9;width: 100%;}
#sub_nav_content ul{padding: 0 10px 0;overflow:hidden;font-size:  0;text-align: left;line-height: 20px;}
#sub_nav_content ul li {display: inline-block;width:25%;text-align:center;margin-top:  10px;margin-bottom:  10px;}
#sub_nav_content ul li a{display:block;height: 30px;line-height: 30px;font-size: 13px;margin: 0 5px;color: #333; border-radius:20px;-webkit-border-radius:20px;-moz-border-radius:20px;-ms-border-radius:20px;-o-border-radius:20px;}
#sub_nav_content ul li.on a{color: #ffffff;background: #16569d;}
/*子导航END*/


    .wrapper {
        width:100%;
    }

#culture ul li.current {
    height: 310px;
}
#culture ul li img {
    height: 310px;
}

    #culture ul li {
        height:auto;
    }
        #culture ul li .item {
left: 10px;
right:0;
        }

#culture ul li.current .item {
    left: 14px;
    right: 14px;
}
#culture ul li .item h2 {
    font-size: 14px;
}
#culture ul li .item h3 {
    margin-top: 4px;
}
#culture ul li .item h3 {
    font-size: 13px;
}
#culture ul li .item h4 {
    font-size: 13px;
}


#swiper3 a {

    width: 7rem;
    height: 7rem;
    margin: 0 auto 25px;

}
    #hezuo {
margin-top: 40px;
    }
#hezuo .swiper-button-whites{

    display: none;

}
.m1 {
    padding: 0 15px;
}
#swiper3 .swiper-slide a img {
    width: 5rem;
}
    .about5_box {
padding: 40px 0px 60px;
   
    }

.about3_box{
    min-height:300px;
}

    .about3_box h3 {
margin-bottom: 0px;
font-size:24px;
}
    
    .about3_box {
padding: 40px 0px 50px;
    }
.m {
    padding: 0 15px;
}
.pad_bot2 {
    padding-bottom: 3rem !important;
}
.pad_top2 {
    padding-top: 3rem !important;
}
#zscq #certify .swiper-slide {
    max-width: 190px !important;
}
#zscq .m .arr_left, #zscq .m .arr_right, #honor .prev2, #honor .next2 {
    bottom: 1rem;
    top: auto !important;
    width: 3rem !important;
    height: 3rem !important;
}
#zscq .m .arr_left, #zscq .m .arr_right, #honor .prev2, #honor .next2 {
    bottom: 1rem;
    top: auto !important;
    width: 3rem !important;
    height: 3rem !important;
}

    #zscq .swiper-slide p {
        font-size:14px;
    }

.about4_box .container {
    padding: 30px 0px 0px;
}

.about4_box .container h3 {
    font-size: 24px;
    padding-left: 50px;
    background: url(../images/hl.png) no-repeat 163px 3px;
    }
.develop {
    padding-top: 0px;
    padding-bottom: 0px;
}
.wrap, .wrapIn {
    padding: 0 5%;
}
.develop-top {
    padding-top: 0px;
}
.developLef {
    float: none;
    width: 100%;
}
.develop-top .develop-mes .year {
    font-size: 56px;
    line-height: 56px;
    margin-bottom: 20px;
}

.develop-top .develop-mes .info p {
    padding-left: 20px;
        position: relative;
}
.develop-top .develop-mes .info p em {
    top: 10px;
    width: 8px;
    height: 8px;
}
.develop-top .develop-mes .info {
    font-size: 14px;
    line-height: 24px;
}
.developRig {
    float: none;
    width: 96%;
    margin-top: 30px;
    margin-right: 5%;
    padding-bottom: 30px;
}
.develop-year .swiper-button-prev, .develop-year .swiper-button-next {
    top: 15px;
    width: 28px;
    height: 28px;
    background-size: 10px; 

}
.develop-year .swiper-button-prev {
    left: 10px;
}
.develop-year .swiper-button-next {
    right: 10px;
}


  .develop-year  .swiper-button-next:after,  .develop-year .swiper-container-rtl .swiper-button-prev:after,  .develop-year .swiper-button-prev:after,   .develop-year .swiper-container-rtl .swiper-button-next:after {
font-size:12px;
    }



.develop-year .line {
    height: 1px;
    top: 28px;
}
.develop-year {
    padding: 0 30px;
    margin-top: 40px;
}
.develop-year .year-list {
    padding-top: 25px;
}
.develop-year .year-list em {
    width: 7px;
    height: 7px;
}
.develop-year .year-list p {
    font-size: 16px;
    line-height: 16px;
    margin-top: 10px;
}
.develop-year .year-list em::after {
    width: 20px;
    height: 20px;
    margin-left: -10px;
    margin-top: -10px;
}

    }

@media screen and (max-width:375px) {
    .about .l_box ul li p {
        font-size: 12px;
    }
}