/* header start */
header{
  position: fixed;
  width:100%;
  height:100px;
  min-width:1400px;
  z-index: 9999;
  top:0;
  left:0;
  transition: all .3s ease-in-out;
  /* background-color:#fff; */
  /* border-bottom:1px solid #ccc; */
}
header.on{
  position: fixed;
  width:100%;
  min-width:1440px;
  top:0;
  left:0;
  background-color: #fff;
  border-bottom:1px solid #ccc;
}
header .logo h1{
  position: absolute;
  width:200px;
  height:54px;
  top:22px;
  left:0;
  transition:all .3s ease-in-out;
  background: url(../img/logo_w.png) 50% 50% no-repeat;
  background-size: 200px;
  z-index: 9999;
}
header .logo h1.on{
  background: url(../img/logo.png) 50% 50% no-repeat;
  background-size: 200px;
}
header .logo h1 a{
  display: block;
  width:200px;
  height:54px;
}

header:hover{background-color: #fff; transition: all .3s ease-in-out;}
header:hover .logo h1{background: url(../img/logo.png) 50% 50% no-repeat; background-size:200px; transition:all .3s ease-in-out;}
header:hover .gnb li a{color:#333;  transition:all .3s ease-in-out;}

.pos{position: relative;}
.bar{
  width:0;
  height: 3px;
  background-color: #0b582a;
  position: absolute;
  left: 0;
  bottom: 0;
}
nav{
    width:100%;
    max-width:1400px;
    min-width:1400px;
    margin:0 auto;
    z-index: 999;
    position: relative;
}
.gnb{
    font-size:0;
    width:100%;
    text-align: center;
    padding-left:90px;
}
.gnb > li{
    display:inline-block;
    width:140px;
    transition: all .2s ease-in-out;
    text-align: center;
}
.gnb > li > a.on{color:#333;}

.gnb > li > a{
    color:#fff;
    font-size:18px;
    font-weight: 600;
    height:100px;
    line-height: 100px;
    position: relative;
}
.gnb > li > a::after{content:'';
  display:block;
  width:0;
  height:2px;
  position: absolute;
  bottom:-10px;
  left:50%;
  transform: translateX(-50%);
  background-color: #003398;
  transition: all .3s ease-in-out;
}

.bg{
  position: absolute;
  left: 0;
  top: 99px;
  width: 100%;
  height: 150px;
  display: none;
  z-index: 9;
  background-color: #fff;
  border-top:1px solid #ccc;
  border-bottom:3px solid #0b582a;
}
.sub_menu{
  font-size:0;
  display:none;
  position: absolute;
  z-index:99;
}
.sub_menu li{width:140px; transition: all .2s ease-in-out;}
.sub_menu a{
  font-size:15px;
  font-weight: 400;
  color: #464243 !important;
  line-height: 35px;
  position: relative;
  transition: all .3s ease-in-out;
}
/* .sub_menu a::before{
  content: '';
  position: absolute;
  top:0;
  left: 50%;
  transform: translateX(-50%);
  width:0;
  height:100%;
  transition: all .3s ease-in-out;
  background-color: #0b582a;
  z-index: -1;
} */
.sub_menu a::before{
  content: '';
  display: block;
  width: 0;
  height: 2px;
  position: absolute;
  bottom: -10px;
  left: 50%;
  transform: translateX(-50%);
  background-color: #0b582a;
  transition: all .3s ease-in-out;
  z-index: 999;
}
.sub_menu a:hover{color: #0b582a !important;}
.sub_menu a:hover::before{width:100%;}

nav .service_center{
  position: absolute;
  top:25px;
  right:0;
}
nav .service_center ul{
  display: flex;
  align-items: center;
  padding-bottom:10px;
}

nav .service_center ul li{position: relative;}
nav .service_center ul li:nth-of-type(1){
  width:50px;
  height:50px;
  border-radius: 50%;
  margin-right:10px;
  transition: all .3s ease-in-out;
}
nav .service_center ul li:nth-of-type(1).on{
  background-color: #0b582a;
}
nav .service_center ul li img{
  position: absolute;
  top:50%;
  left:50%;
  transform: translate(-50%, -50%);
  width:35px;
}

nav .service_center ul li a{
  font-size:18px;
  color:#fff;
  text-align: center;
  transition: all .3s ease-in-out;
  padding-bottom:10px;
  position: relative;
}
nav .service_center ul li a.on{color:#0b582a;}
nav .service_center ul li a::after{
  content: '';
  position: absolute;
  bottom:0;
  left:0;
  width:0;
  height:1px;
  transition: all .3s ease-in-out;
  background-color: #0b582a;
}

header:hover nav .service_center ul li a{color:#0b582a;}
header:hover nav .service_center ul li:nth-of-type(1){background-color: #0b582a;}

nav .service_center ul li a:hover p::after{width:100%;}
nav .service_center ul a:hover::after{width:100%;}

/* header menu active */
header.active1 .gnb > li:nth-child(1) > a,
header.active2 .gnb > li:nth-child(2) > a,
header.active3 .gnb > li:nth-child(3) > a,
header.active4 .gnb > li:nth-child(4) > a,
header.active5 .gnb > li:nth-child(5) > a,
header.active6 .gnb > li:nth-child(6) > a{color: #003398;}

header.active1 .gnb > li:nth-child(1) > a::after,
header.active2 .gnb > li:nth-child(2) > a::after,
header.active3 .gnb > li:nth-child(3) > a::after,
header.active4 .gnb > li:nth-child(4) > a::after,
header.active5 .gnb > li:nth-child(5) > a::after,
header.active6 .gnb > li:nth-child(6) > a::after{width:100%;}
/* header end */

/* header end */

/* visual swiper start */
.visual{
    width:100%;
    height:1080%;
    min-width:1400px;
    overflow: hidden;
}
.visual .typo_wrap{
  width:1400px;
  height:100%;
  margin:0 auto;
  position: absolute;
  z-index: 99;
}
.typo{
    position: absolute;
    top:50%;
    transform: translateY(-50%);
    left:0;
    width:100%;
    z-index: 99;
    text-align: left;
}

.typo span{
    display:block;
    color:#fff;
    transition:all 1s ease-in-out;
}
.typo span:nth-of-type(1){
    font-size:72px;
    font-weight: 800;
    transition-delay:0s;
}
/* .typo span:nth-of-type(2){
    font-size:32px;
    transition-delay:0.5s;
    padding:40px 0;
    font-family: 'GmarketSansBold';
}
.typo span:nth-of-type(3){
    font-size:32px;
    transition-delay:1s;
    font-family: 'Fredoka One';
    font-family: 'GmarketSansBold';
}
.typo span strong{font-family: 'Fredoka One';} */
.visual .swiper-slide .img_wrap img{width:100%; transform:scale(1.2); transition:all 5s ease;}
.visual .swiper-slide.swiper-slide-active .img_wrap img.zoom{transform:scale(1);}

/* .visual .swiper-slide.swiper-slide-active .typo > span.up{opacity:1; transform:translate(0,0);} */

.visual .mySwiper .swiper-wrapper .swiper-slide.swiper-slide-active span:first-child{animation:top 1s .4s both;}
.visual .mySwiper .swiper-wrapper .swiper-slide.swiper-slide-active span:nth-child(2){animation:middle 1s .6s both;}
.visual .mySwiper .swiper-wrapper .swiper-slide.swiper-slide-active span:last-child{animation:bottom 1s .8s both;}

@keyframes top{
    0%{opacity: 0; transform:translateX(-300px);}
    100%{opacity: 1; transform: translateX(0);}
}
@keyframes middle{
  0%{opacity: 0;}
  100%{opacity: 1;}
}
@keyframes bottom{
  0%{opacity: 0; transform:translateX(-300px);}
  100%{opacity: 1; transform: translateX(0);}
}


.visual .swiper {
  width: 100%;
  height: 100%;
  position: relative;
  overflow: hidden;
}

.visual .swiper-slide {
  display: flex;
  justify-content: center;
  align-items: center;
}

.visual .swiper-slide .video{
  position: relative;
	padding-bottom: 56.25%;
  width:100%;
	height: 0;
	overflow: hidden;
}
.visual .swiper-slide.video::before{
  position: absolute;
  content: '';
  left: 0;
  top: 0;
  width: 100%;
  height: 100%;
  z-index: 999;
  background: transparent;
}
.visual .swiper-slide .video iframe,
.visual .swiper-slide .video object,
.visual .swiper-slide .video embed {
	position: absolute;
	top: 0;
	left: 0;
	width: 100%;
	height: 100%;
}
.visual .swiper-slide .img_wrap{
  position: relative;
	padding-bottom: 56.25%;
  width:100%;
	height: 0;
	overflow: hidden;
}

.visual .swiper-slide img{
  display: block;
  position: absolute;
	top: 0;
	left: 0;
	width: 100%;
	height: 100%;
}

.visual .swiper-slide::before{
  position: absolute;
  content: '';
  top:0;
  left:0;
  width:100%;
  height:100%;
  background-color: rgba(0, 0, 0, 0.3);
  z-index: 1;
}

.visual .swiper .swiper-pagination span{margin:0 3px;}

.visual .swiper-pagination-bullet {
    width: 10px;
    height: 10px;
    border:1px solid #fff;
    background: none;
    border-radius: 100%;
}

.visual .swiper-pagination-bullet-active {
    opacity: 1;
    background: #0b582a;
}
.visual .swiper .swiper-pagination {
    position: absolute;
    text-align: center;
    -webkit-transition: .3s opacity;
    -o-transition: .3s opacity;
    transition: .3s opacity;
    -webkit-transform: translate3d(0, 0, 0);
    transform: translate3d(0, 0, 0);
    z-index: 10;
    left:50%;
    bottom:50px;
    transform: translate(-50%, 100%);
}
.visual .swiper-button-prev,
.visual .swiper-container-rtl .swiper-button-next {
    left: 30px;
    right: auto;
    width:20px;
    color:#fff;
    background-image: url("../img/visual/arrow_l.png");
}
.visual .swiper-button-next,
.visual .swiper-container-rtl .swiper-button-prev {
    right: 30px;
    left: auto;
    width:20px;
    color:#fff;
    background-image: url("../img/visual/arrow_r.png");
}
.visual .swiper-button-prev:after, .swiper-rtl .swiper-button-next:after{display: none;}
.visual .swiper-button-next:after, .swiper-rtl .swiper-button-prev:after{display: none;}

.visual .swiper-button-next,
.visual .swiper-button-prev {
    position: absolute;
    top: 50%;
    width: 70px;
    height: 70px;
    margin-top: -22px;
    z-index: 10;
    cursor: pointer;
    background-size: 50px 50px;
    background-position: center;
    background-repeat: no-repeat;
    border:1px solid #fff;
    border-radius: 50%;
}
/* visual swiper end */

/* image_show_wrap 공통 */
section .image_show_wrap,
section .image_show_wrap2{
    position: relative;
    top: 0px;
    left: 0%;
    width: 100%;
}
section .image_show_wrap{overflow: hidden; animation-duration: 1.4s;}
section .image_show_wrap2{animation-duration: 1.4s;}

section .show_img01{animation-name: show_img01;}
@keyframes show_img01{
    0%{opacity: 0; transform: translate3d(-100%, 0, 0);}
}
section .show_img02{animation-name: show_img02;}
@keyframes show_img02{
    0%{opacity: 0; transform: translate3d(100%, 0, 0);}
}
section .show_img03{animation-name: show_img03;}
@keyframes show_img03{
    0%{opacity: 0; transform: translate3d(100%, 0, 0);}
}
section .show_img04{animation-name: show_img04;}
@keyframes show_img04{
    0%{opacity: 0; transform: translate3d(-100%, 0, 0);}
}
section .show_img05{animation-name: show_img05;}
@keyframes show_img05{
    0%{opacity: 0; transform: translate3d(0, 100%, 0);}
}
section .show_img06{animation-name: show_img06;}
@keyframes show_img06{
    0%{opacity: 0; transform: translate3d(0, -100%, 0);}
}
/* image_show_wrap 공통 */

/* ------------------------------------- section ------------------------------------- */
/* section1 */
.bussiness{
  padding:120px 0;
  background: url(../img/section1/section1_bg.png) no-repeat;
  background-size: cover;
}
.bussiness_slide .swiper-slide ul{
  display: flex;
  align-items: top;
  justify-content: space-between;
}
.bussiness_slide .swiper-slide ul li:nth-of-type(1){width:40%; background-color: #fff;}
.bussiness_slide .swiper-slide ul li:nth-of-type(2){width:60%; background-color: #fff;}

.bussiness_slide .swiper-slide ul li .slide_title{background-color: #fff;}
.bussiness_slide .swiper-slide ul li .slide_title span{display: block;}
.bussiness_slide .swiper-slide ul li .slide_title span:nth-of-type(1){font-size:14px; color:#003398; text-align: left; font-weight: 800; margin-top:30px;}
.bussiness_slide .swiper-slide ul li .slide_title span:nth-of-type(2){font-size:48px; color:#0b582a; text-align: left; font-weight: 800; padding:15px 0;}
.bussiness_slide .swiper-slide ul li .slide_title span:nth-of-type(3){font-size:18px; color:#000; text-align: left; font-weight: 800;}
/* .bussiness_slide .swiper-slide ul li .slide_title span:nth-of-type(4) a{
  display: block;
  margin-top:80px;
  width:150px;
  background-color: #bf0b2c;
  color:#fff;
  text-align: center;
  padding:10px 0;
  transition: all .3s ease-in-out;
} */
.bussiness_slide .swiper-slide ul li .slide_title span:nth-of-type(4) a:hover{background-color: #003398;}

/* button */
.bussiness_slide .mySwiper .swiper-wrapper .swiper-slide.swiper-slide-active .slide_title span:nth-of-type(4) a{
  padding: 15px 30px;
  display: inline-block;
  transform: translate(0%, 0%);
  overflow: hidden;
  color: #333;
  font-size: 14px;
  letter-spacing: 2.5px;
  text-align: center;
  text-transform: uppercase;
  text-decoration: none;
  /* box-shadow: 0 20px 50px rgba(0, 0, 0, 0.5); */
  position: relative;
  margin-top: 80px;
  border: 1px solid #ccc;
  color:#fff;
  transition: all .3s ease-in-out;
  background-color: #bf0b2c;
}
.bussiness_slide .mySwiper .swiper-wrapper .swiper-slide.swiper-slide-active .slide_title span:nth-of-type(4) a:hover{background-color: #003398; color:#fff;}

.bussiness_slide .mySwiper .swiper-wrapper .swiper-slide.swiper-slide-active .slide_title span:nth-of-type(4) a span {
  position: absolute;
}

.bussiness_slide .mySwiper .swiper-wrapper .swiper-slide.swiper-slide-active .slide_title span:nth-of-type(4) a span:nth-child(1) {
  top: -30px;
  left: 0px;
  width: 100%;
  height: 1px;
  background: linear-gradient(to left, rgba(43, 8, 8, 0), #fff);
  animation: 2s animateTop linear infinite;
}
@keyframes animateTop {
  0% {transform: translateX(100%);}
  100% {transform: translateX(-100%);}
}

.bussiness_slide .mySwiper .swiper-wrapper .swiper-slide.swiper-slide-active .slide_title span:nth-of-type(4) a span:nth-child(2) {
  top: 0px;
  right: 0px;
  height: 100%;
  width: 1px;
  background: linear-gradient(to top, rgba(43, 8, 8, 0), #fff);
  animation: 2s animateRight linear -1s infinite;
}
@keyframes animateRight {
  0% {transform: translateY(100%);}
  100% {transform: translateY(-100%);}
}

.bussiness_slide .mySwiper .swiper-wrapper .swiper-slide.swiper-slide-active .slide_title span:nth-of-type(4) a span:nth-child(3) {
  bottom: 0px;
  left: 0px;
  width: 100%;
  height: 1px;
  background: linear-gradient(to right, rgba(43, 8, 8, 0), #fff);
  animation: 2s animateBottom linear infinite;
}
@keyframes animateBottom {
  0% {transform: translateX(-100%);}
  100% {transform: translateX(100%);}
}

.bussiness_slide .mySwiper .swiper-wrapper .swiper-slide.swiper-slide-active .slide_title span:nth-of-type(4) a span:nth-child(4) {
  top: 0px;
  left: 0px;
  height: 100%;
  width: 1px;
  background: linear-gradient(to bottom, rgba(43, 8, 8, 0), #fff);
  animation: 2s animateLeft linear -1s infinite;
}
@keyframes animateLeft {
  0% {transform: translateY(-100%);}
  100% {transform: translateY(100%);}
}
/* button */

.bussiness_slide .swper{position: relative;}
.bussiness_slide .arrow{
  position: absolute;
  width:160px;
  bottom:120px;
  left:0;
}
.bussiness_slide .swiper-button-prev,
.bussiness_slide .swiper-container-rtl .swiper-button-next {
    left: 0px;
    right: auto;
    width:20px;
    color:#fff;
    background-image: url("../img/section1/arrow_l.png");
}
.bussiness_slide .swiper-button-next,
.bussiness_slide .swiper-container-rtl .swiper-button-prev {
    right:0px;
    left: auto;
    width:20px;
    color:#fff;
    background-image: url("../img/section1/arrow_r.png");
}
.bussiness_slide .swiper-button-prev:after, .swiper-rtl .swiper-button-next:after{display: none;}
.bussiness_slide .swiper-button-next:after, .swiper-rtl .swiper-button-prev:after{display: none;}

.bussiness_slide .swiper-button-next,
.bussiness_slide .swiper-button-prev {
    position: absolute;
    top: 50%;
    width: 70px;
    height: 70px;
    margin-top: -22px;
    z-index: 10;
    cursor: pointer;
    background-size: 50px 50px;
    background-position: center;
    background-repeat: no-repeat;
    border:1px solid #ccc;
    border-radius: 50%;
}

.bussiness_slide .swiper-slide img{
  display: block;
  width:100%;
}

.bussiness_slide .mySwiper .swiper-wrapper .swiper-slide.swiper-slide-active .slide_title span:nth-of-type(1){animation:top 1.2s .4s both;}
.bussiness_slide .mySwiper .swiper-wrapper .swiper-slide.swiper-slide-active .slide_title span:nth-of-type(2){animation:middle 1.2s .6s both;}
.bussiness_slide .mySwiper .swiper-wrapper .swiper-slide.swiper-slide-active .slide_title span:nth-of-type(3){animation:bottom 1.2s .8s both;}
.bussiness_slide .mySwiper .swiper-wrapper .swiper-slide.swiper-slide-active .slide_title span:nth-of-type(4){animation:bottom 1.2s 1s both;}

@keyframes top{
    0%{opacity: 0; transform:translateX(-300px);}
    100%{opacity: 1; transform: translateX(0);}
}
@keyframes middle{
  0%{opacity: 0; transform:translateX(-300px);}
  100%{opacity: 1; transform: translateX(0);}
}
@keyframes bottom{
  0%{opacity: 0; transform:translateX(-300px);}
  100%{opacity: 1; transform: translateX(0);}
}
/* section1 */

/* section2 */
.main_example{padding:60px 0 120px 0}
.main_example h2{
  font-size:48px;
  color:#000;
  text-align: center;
}
.example_slide{
  margin-top:105px;
  position: relative;
}
.main_example .swiper {
  width: 100%;
  height: 100%;
  padding-top:20px;
}
.main_example .swiper-slide {
  text-align: center;
  font-size: 18px;
  background: #fff;
  display: flex;
  justify-content: center;
  align-items: center;
}
.main_example .swiper-slide img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.main_example .swiper-button-prev,
.main_example .swiper-container-rtl .swiper-button-next {
    left: 0px;
    right: auto;
    width:20px;
    color:#fff;
    background-image: url("../img/section2/arrow_l.png");
}
.main_example .swiper-button-next,
.main_example .swiper-container-rtl .swiper-button-prev {
    right:0px;
    left: auto;
    width:20px;
    color:#fff;
    background-image: url("../img/section2/arrow_r.png");
}
.main_example .swiper-button-prev:after, .swiper-rtl .swiper-button-next:after{display: none;}
.main_example .swiper-button-next:after, .swiper-rtl .swiper-button-prev:after{display: none;}

.main_example .swiper-button-next,
.main_example .swiper-button-prev {
    position: absolute;
    top: 50%;
    width: 70px;
    height: 70px;
    margin-top: -22px;
    z-index: 10;
    cursor: pointer;
    background-size: 50px 50px;
    background-position: center;
    background-repeat: no-repeat;
    border:1px solid #ccc;
    border-radius: 50%;
}
.main_example .arrow{
  width:160px;
  position: absolute;
  top:-60px;
  right: 0;
}
.main_example .swiper a{display: block; width:100%;}
.main_example .slide_img{
  overflow: hidden;
  position: relative;
  padding-top:70%;
  width:100%;
  background-color: #000;
}
.main_example .slide_img img{
  position: absolute;
  top:0;
  left:0;
  width:100%;
  height:100%;
  transition: all .3s ease-in-out;
}
.main_example .swiper-slide:hover .slide_img img{transform: scale(1.1); opacity: .8;}

.main_example .slide_tit p{
  font-size:18px;
  color:#333;
  text-align: center;
  padding:10px 0;
  transition: all .3s ease-in-out;
}
.main_example .swiper-slide:hover .slide_tit p{color:#bf0b2c;}


.main_example .swiper .swiper-pagination-progressbar .swiper-pagination-progressbar-fill {
  background-color: #0b582a;
}
.main_example .swiper .swiper-horizontal>.swiper-pagination-progressbar,
.main_example .swiper .swiper-pagination-progressbar.swiper-pagination-horizontal,
.main_example .swiper .swiper-pagination-progressbar.swiper-pagination-vertical.swiper-pagination-progressbar-opposite,
.main_example .swiper .swiper-vertical>.swiper-pagination-progressbar.swiper-pagination-progressbar-opposite{height:2px;}


/* button */
.main_example .example_buttom_wrap{
  position: absolute;
  top:60px;
  left:50%;
  transform: translateX(-50%);
}
.main_example .example_buttom_wrap .example_buttom{
  padding: 15px 30px;
  display: inline-block;
  transform: translate(0%, 0%);
  overflow: hidden;
  color: #333;
  font-size: 14px;
  letter-spacing: 2.5px;
  text-align: center;
  text-transform: uppercase;
  text-decoration: none;
  /* -webkit-box-shadow: 0 20px 50px rgba(0, 0, 0, 0.5);
  box-shadow: 0 20px 50px rgba(0, 0, 0, 0.5); */
  position: relative;
  margin-top: 40px;
  border: 1px solid #ccc;
  transition: all .3s ease-in-out;
}
.main_example .example_buttom_wrap .example_buttom:hover{background-color: #0b582a; color:#fff;}

.main_example .example_buttom_wrap .example_buttom span {
  position: absolute;
}

.main_example .example_buttom_wrap .example_buttom span:nth-child(1) {
  top: 0px;
  left: 0px;
  width: 100%;
  height: 1px;
  background: linear-gradient(to left, rgba(43, 8, 8, 0), #0b582a);
  animation: 2s animateTop linear infinite;
}
@keyframes animateTop {
  0% {transform: translateX(100%);}
  100% {transform: translateX(-100%);}
}

.main_example .example_buttom_wrap .example_buttom span:nth-child(2) {
  top: 0px;
  right: 0px;
  height: 100%;
  width: 1px;
  background: linear-gradient(to top, rgba(43, 8, 8, 0), #0b582a);
  animation: 2s animateRight linear -1s infinite;
}
@keyframes animateRight {
  0% {transform: translateY(100%);}
  100% {transform: translateY(-100%);}
}

.main_example .example_buttom_wrap .example_buttom span:nth-child(3) {
  bottom: 0px;
  left: 0px;
  width: 100%;
  height: 1px;
  background: linear-gradient(to right, rgba(43, 8, 8, 0), #0b582a);
  animation: 2s animateBottom linear infinite;
}
@keyframes animateBottom {
  0% {transform: translateX(-100%);}
  100% {transform: translateX(100%);}
}

.main_example .example_buttom_wrap .example_buttom span:nth-child(4) {
  top: 0px;
  left: 0px;
  height: 100%;
  width: 1px;
  background: linear-gradient(to bottom, rgba(43, 8, 8, 0), #0b582a);
  animation: 2s animateLeft linear -1s infinite;
}
@keyframes animateLeft {
  0% {transform: translateY(-100%);}
  100% {transform: translateY(100%);}
}
/* button */
/* section2 */

/* section3 */
.about{
  padding:120px 0;
  background: url(../img/section3/section3_bg.jpg) 50% fixed no-repeat;
  background-size: cover;
  position: relative;
  z-index: 0;
}
.about::after{
  content: '';
  position: absolute;
  width:100%;
  height:100%;
  top:0;
  left:0;
  background-color: rgba(0, 0, 0, 0.4);
  z-index: -1;
}
.about .about_title{
  display: flex;
  align-items: top;
  justify-content: space-between;
}
.about .about_title li:nth-of-type(1){width:40%}
.about .about_title li:nth-of-type(2){width:60%}

.about .about_title h2{
  font-size:48px;
  color:#fff;
  text-align: left;
}
.about .about_title p{
  font-size:18px;
  color:#fff;
  text-align: left;
  padding-top:40px;
  letter-spacing: -.5px;
  position: relative;
}
.about .about_title p::after{
  content: '';
  position: absolute;
  top:20px;
  left:0;
  width:40px;
  height:2px;
  background-color: #fff;
}

.about .about_box{
  display: flex;
  align-items: top;
  justify-content: space-between;
  margin-top:60px;
  width:100%;
}
.about .about_box .about_img{background-color: #000; overflow: hidden;}
.about .about_box .about_img img{transition: all .3s ease-in-out;}
.about .about_box li:hover .about_img img{transform: scale(1.1); opacity: .8;}

.about .about_box h3{
  font-size:24px;
  color:#fff;
  text-align: left;
  padding:10px 0 10px 20px;
}
.about .about_box p{
  font-size:16px;
  color:#fff;
  text-align: left;
  padding-left:20px
}
/* section3 */

/* section4 */
.cost{
  padding:120px 0 180px 0;
  background: url(../img/section4/section4_bg.jpg) no-repeat 50% 50%;
  background-size: cover;
  position: relative;
}
.cost h2{
  font-size:48px;
  color:#fff;
  text-align: center;
}
/* button */
.cost .cost_buttom_wrap{
  position: absolute;
  bottom:90px;
  left:50%;
  transform: translateX(-50%);
}
.cost .cost_buttom_wrap .cost_buttom{
  padding: 15px 30px;
  display: inline-block;
  transform: translate(0%, 0%);
  overflow: hidden;
  color: #333;
  font-size: 14px;
  letter-spacing: 2.5px;
  text-align: center;
  text-transform: uppercase;
  text-decoration: none;
  /* -webkit-box-shadow: 0 20px 50px rgba(0, 0, 0, 0.5);
  box-shadow: 0 20px 50px rgba(0, 0, 0, 0.5); */
  position: relative;
  margin-top: 40px;
  border: 1px solid #ccc;
  color:#fff;
  transition: all .3s ease-in-out;
}
.cost .cost_buttom_wrap .cost_buttom:hover{background-color: #003398; color:#fff;}

.cost .cost_buttom_wrap .cost_buttom span {
  position: absolute;
}

.cost .cost_buttom_wrap .cost_buttom span:nth-child(1) {
  top: 0px;
  left: 0px;
  width: 100%;
  height: 1px;
  background: linear-gradient(to left, rgba(43, 8, 8, 0), #fff);
  animation: 2s animateTop linear infinite;
}
@keyframes animateTop {
  0% {transform: translateX(100%);}
  100% {transform: translateX(-100%);}
}

.cost .cost_buttom_wrap .cost_buttom span:nth-child(2) {
  top: 0px;
  right: 0px;
  height: 100%;
  width: 1px;
  background: linear-gradient(to top, rgba(43, 8, 8, 0), #fff);
  animation: 2s animateRight linear -1s infinite;
}
@keyframes animateRight {
  0% {transform: translateY(100%);}
  100% {transform: translateY(-100%);}
}

.cost .cost_buttom_wrap .cost_buttom span:nth-child(3) {
  bottom: 0px;
  left: 0px;
  width: 100%;
  height: 1px;
  background: linear-gradient(to right, rgba(43, 8, 8, 0), #fff);
  animation: 2s animateBottom linear infinite;
}
@keyframes animateBottom {
  0% {transform: translateX(-100%);}
  100% {transform: translateX(100%);}
}

.cost .cost_buttom_wrap .cost_buttom span:nth-child(4) {
  top: 0px;
  left: 0px;
  height: 100%;
  width: 1px;
  background: linear-gradient(to bottom, rgba(43, 8, 8, 0), #fff);
  animation: 2s animateLeft linear -1s infinite;
}
@keyframes animateLeft {
  0% {transform: translateY(-100%);}
  100% {transform: translateY(100%);}
}
/* button */
/* section4 */

/* footer */
.footer{
  padding:30px 0;
  background-color: #333;
}
.footer li img{width:150px;}
.footer li p{
  font-size:14px;
  line-height: 28px;
  color:#ccc;
  font-weight: 200;
}



/* footer */
/* ------------------------------------- section ------------------------------------- */
/* top_btn */
.topbtn{
    position: fixed;
    bottom:60px;
    right:60px;
    z-index:9999999999999;
    width:50px;
    height:50px;
    border-radius: 40px;
    background-color:  #0b582a;
    transition: all 0.5s ease;
    opacity: 0;
}
.topbtn.on{opacity: 1;}

.topbtn img{
    position: absolute;
    top:50%;
    left:50%;
    transform: translate(-50%,-50%);
    width:30px;
}

.topbtn:hover{
    transition: all 0.5s ease;
    background-color: #151515;
}