/* 字體 */
@import url('https://fonts.googleapis.com/css2?family=Noto+Sans+TC:wght@500&family=Noto+Serif+TC:wght@500;600&display=swap');
@import url('https://fonts.googleapis.com/css2?family=Noto+Sans+TC:wght@400;500&family=Noto+Serif+TC:wght@500;600&display=swap');

/* 字體 */
@import url("https://fonts.googleapis.com/css2?family=Noto+Sans+TC:wght@100;300;400;500;700;900&family=Noto+Serif+TC:wght@200;300;400;500;600;700;900&display=swap");
@font-face {
  font-family: "Noto Sans TC";
  src: url(../fonts/Noto/NotoSansTC-Regular.otf);
}
@font-face {
  font-family: "IntroCondLightFree";
  src: url(../fonts/IntroCondLightFree.otf);
}
.Inn{
  font-family: "IntroCondLightFree";
}
.Arl{
  font-family: "Arial";
}
body,
html {
  width: 100%;
  height: 100%;
  margin: 0;
  padding: 0;
  background-color: #000;
}
* {
    margin: 0;
    padding: 0;
    color: inherit;
    font-weight: inherit;
    border: none;
    list-style:none;
    background-repeat:no-repeat;
    text-decoration:none;/*去底線*/
    -webkit-box-sizing: border-box;
    -moz-box-sizing: border-box;
    box-sizing: border-box;
}

a:link,
a:visited,
a:hover,
a:active {
  text-decoration: none;
}

img {
  display: block;
  font-size: 0;
}

.all {
  width: 100%;
  height: auto;
  position: relative;
  overflow: hidden;
}


/*BANNER*/
.swiper-area {
  width: 100%;
  height: 100%;
  position: relative;
  z-index: 5;
  background-color: #000;
  margin: 0;
  padding: 0;
  overflow: hidden;
}
.swiper-area:before{
    position: relative;
    content: "";
    display: block;
    padding-top: 49.47%;
    -webkit-transition: all 0.4s ease-out;
    transition: all 0.4s ease-out;
}
.swiper-area .banner-swiper {
    width: 100%;
    height: 100%;
    position: absolute;
    top: 0;
    left: 0;
    overflow: hidden;
}
.swiper-area .banner-swiper .swiper-slide {
  text-align: center;
  background: #000;
  float: left;
  position: relative;
  justify-content: center;
  position: relative;
  align-items: center;
  overflow: hidden;
}
.swiper-area .banner-swiper .swiper-slide .slide-img {
  width: 100%;
  height: 100%;
  background-repeat: no-repeat;
  background-size: cover;
  transition: all 10s;
  transform: scale(1.25);
  background-position: center center;
}
.swiper-area .banner-swiper .swiper-slide .slide-txt {
  position: absolute;
  top: 10vw;
  left: 26vw;
  transform: translate(-50%, 0);
  color: #fff;
  z-index: 10;
  width: 10vw;
}
.swiper-area .banner-swiper .swiper-slide.swiper-slide-active .slide-img {
  transform: scale(1.1);

}
.swiper-area .banner-swiper .swiper-slide .cover {
  width: 100%;
  height: 100%;
  position: absolute;
  top: 0;
  left: 0;
  z-index: 5;
  background-image: url(../img/index/index-mask.png);
  background-size: cover;
  background-position: 50% 100%;
  background-repeat: no-repeat;
}
#banner .swiper-pagination{
  width: 5vw;
  left: 47vw;
  bottom: 6%;
  background-color: rgba(0, 0, 0, 0.5);
  border-radius: 5px;
  display: none;
}
#banner .swiper-pagination-bullet {
  width: 0.5vw;
  height: 0.5vw;
  display: inline-block;
  border-radius: 100%;
  background: #fff;
  opacity: 1;
  margin: 0 8%;
}
#banner .swiper-pagination-bullet-active {
  opacity: 1;
  background: #b1872e;
}

.banner_fixed_logo {
    width: 100%;
    position: absolute;
    left: 0;
    top: -10vw;
    z-index: 9;
}
.banner_fixed_logo .banner_fixed_logo_pic{
  width: 17vw;
  position: absolute;
  left: 40%;
  top: 22vw;
}
.banner_fixed_logo .banner_fixed_logo_pic .banner_txt{
  width: 100%;
  position: absolute;
  left: 0;
  top: 0;
  display: none;
}
.banner_fixed_logo .banner_fixed_logo_txt{
    width: 20vw;
    position: absolute;
    left: 58%;
    top: 40vw;

}
.banner_fixed_logo .banner_fixed_logo_txt .banner_txtbox{
    width: 108%;
    position: absolute;
    left: -2.2vw;
    top: -0.55vw;
    display: none;

}
.banner_fixed_logo .banner_fixed_logo_txt .banner_txtbox.active{
    animation: showbox 1s infinite alternate;
    animation-iteration-count:1;
    transition-timing-function: linear;
}
@keyframes showbox {
    0% {
       clip-path: polygon(0 3%, 0 0, 100% 98%, 100% 100%);
    }
    100% {
       clip-path: polygon(0 0, 100% 0, 100% 100%, 0 100%);
    }
}
.banner_fixed_logo .banner_fixed_logo_txt .banner_txt{
  width: 100%;
  transform: scaleX(0.95);
  font-size: 1.2vw;
  color: #fff;
  line-height: 2vw;
  font-family: "Noto Sans TC";
  font-weight: 400;
  letter-spacing: 0.15vw;
  padding-left: 5%;
  display: none;
}
.mouse_scroll{
    width: 1.5vw;
    position: absolute;
    right: 3vw;
    bottom: 3vw;
    z-index: 9;
    animation: mouseMove 1s infinite alternate;
    transition-timing-function: linear;
}
.mouse_scroll img{
  width: 100%;
}
@keyframes mouseMove {
    0% {
       bottom: 3vw;
    }
    100% {
       bottom: 3.5vw;
    }
}
@media  screen and (max-width:1200px)  {
.mouse_scroll{
    width: 2vw;
    position: absolute;
    right: 3vw;
    bottom: 3vw;
    z-index: 9;
    animation: mouseMove 1s infinite alternate;
    transition-timing-function: linear;
}
}
/*
@media  screen and (max-width:2560px)  {

}
@media  screen and (max-width:1920px)  {

}
@media  screen and (max-width:1480px)  {
.banner_fixed_logo .banner_fixed_logo_txt{
  position: absolute;
  top: 50vh;
}
}
@media  screen and (max-width:1280px)  {
.banner_fixed_logo .banner_fixed_logo_txt{
  position: absolute;
  top: 48vh;
}
}
@media  screen and (max-width:1080px)  {
.banner_fixed_logo .banner_fixed_logo_txt{
  position: absolute;
  top: 45vh;
}
}
@media  screen and (max-width:1024px)  {
.banner_fixed_logo .banner_fixed_logo_txt .banner_txtbox{
    position: absolute;
    top: -7px;
}
.banner_fixed_logo .banner_fixed_logo_txt{
  position: absolute;
  top: 42vh;
}
}
@media  screen and (max-width:768px)  {
.banner_fixed_logo .banner_fixed_logo_pic {
    width: 25vw;
    position: absolute;
    left: 40%;
    top: 25vh;
}
.banner_fixed_logo .banner_fixed_logo_txt{
  width: 30vw;
  position: absolute;
  left: 40%;
  top: 52vh;

}
.banner_fixed_logo .banner_fixed_logo_txt .banner_txtbox{
    position: absolute;
    top: -9px;
}
.banner_fixed_logo .banner_fixed_logo_txt .banner_txt {
    width: 100%;
    transform: scaleX(0.95);
    font-size: 1.6vw;
    color: #fff;
    line-height: 2.5vw;
    font-family: "Noto Sans TC";
    font-weight: 400;
    letter-spacing: 0.5vw;
    padding-left: 5%;
    display: none;
}
.mouse_scroll{
  width: 3vw;
  position: absolute;
  right: 4vw;
  bottom: 3vw;
}
}
@media  screen and (max-width:500px)  {
.banner_fixed_logo .banner_fixed_logo_txt{
  position: absolute;
  top: 44vh;
}
}
*/




/*共用*/
.more{
  transform: scaleY(0.95);
  width: 10vw;
  font-size: 3vw;
  color: #000;
  display: block;
  letter-spacing: 0.25vw;
  font-family: "IntroCondLightFree", serif;
  z-index: 15;
  cursor: pointer;

}
.more img.be{
  position: absolute;
  width: 1vw;
  right:0;
  bottom: 1vw;
  opacity: 1;
  /*transition: all 0.3s ease-in-out;*/
}
.more img.af{
    position: absolute;
    opacity: 0;
    right: 0;
    width: 1vw;
    bottom: 1vw;
}
.more:hover img.af{
  opacity: 1;
}
.more:hover img.be{
  opacity: 0;
}

.main {
  width: 100%;
  height: auto;
  position: relative;
  z-index: 5;
  margin: 0;
  padding: 0;
  overflow: hidden;
  margin-top: 0vw;
}

/*HotCase*/
.hotcase {
  width: 100%;
  height: auto;
  position: relative;
  z-index: 5;
  margin: 0;
  padding: 0;
  overflow: hidden;
  margin-top: 0vw;
}
.hotcase .more{
  transform: scaleY(0.95);
  position: absolute;
  left: 81.5vw;
  bottom: 5vw;
  float: right;

}
.hotcase .more:hover{
  color: #ae9787;
}
.hotcase .bg{
  width: 100%;
  position: relative;
  z-index: 1;
}
.hotcase .bg .line1{
  width: 2px;
  height: 0vw;
  background-color: #4c4c4b;
  position: absolute;
  left: 30.3vw;
  top: 0;
  z-index: 10;
}
@media  screen and (max-width:2560px)  {
.hotcase .bg .line1{
  position: absolute;
  left: 30.4vw;
}
}
@media  screen and (max-width:1920px)  {
.hotcase .bg .line1{
  position: absolute;
  left: 30.3vw;
}
}


.hotcase .bg .line2{
  width: 2px;
  height: 0vw;
  background-color: #4c4c4b;
  position: absolute;
  left: 79.4vw;
  bottom: 0;
  z-index: 10;

}
.hotcase .bg .line3{
  width: 0vw;
  height: 2px;
  background-color: #4c4c4b;
  position: absolute;
  bottom: 9.9vw;
  left: 0;
  z-index: 10;

}
.hotcase .bg .fake_ar1{
  width: 1vw;
  position: absolute;
  bottom: 9.55vw;
  left: 30.3vw;
  opacity: 0;
  z-index: 10;
}
.hotcase .bg .fake_ar2{
  width: 1vw;
  position: absolute;
  bottom: 9.55vw;
  left: 78.45vw;
  opacity: 0;
  z-index: 10;
}
.hotcase .bg .fake_ar1 img ,.hotcase .bg .fake_ar2 img{
  width: 1vw;
}


.title_box{
    width: 12vw;
    position: absolute;
    left: 15vw;
    bottom: 7.9vw;
    text-align: justify;
    text-justify: distribute-all-lines;
    text-align-last: justify;
    z-index: 15;

}
.title_box img{
  width: 100%;
  display: block;
}
.title_box .title_eng{
  width: 102%;
  display: block;
  color: #0e446c;
  font-size: 1.2vw;
  font-weight: 300;
  line-height: 2vw;
  letter-spacing: 0.4vw;
  font-family: "IntroCondLightFree", serif;
  padding-left: 0.1vw;
}
.title_sign{
  width: 8vw;
  position: absolute;
  right: 6vw;
  top: 2.5vw;
  z-index: 12;

}
.title_sign img{
  mix-blend-mode: overlay;
  opacity: 0.3;
}

.main2-banner-b {
  width: 49.03vw;
  position: absolute;
  left: 30.4vw;
  top: 12%;
  z-index: 1;
}
.main2-banner-b .swiper-container {
  overflow: visible;
  position: relative;
}
.main2-banner-b .swiper-container .swiper-slide {
  width: 100% !important;
  height: auto;
  display: block;
  opacity: 0;
}

.main2-banner-b .swiper-wrapper .main-banner-b-img {
  width: 100%;
  height: 100%;
  position: absolute;
  left: 0;
  top: 0;
  overflow: hidden;
}
.main2-banner-b .swiper-wrapper .swiper-slide-active {
  z-index: 2;
  opacity: 1;
}
.main2-banner-b .swiper-wrapper .main-banner-b-img .main2-banner-mask {
  width: 100%;
  height: 100%;
  position: absolute;
  left: 0%;
  top: 0;
  background-color: rgba(0, 0, 0, 0.5);
  z-index: 1;
}
.main2-banner-b .swiper-pagination {
    width: 100%;
    text-align: right;
    position: absolute;
    right: 0;
    top: -1vw;
}
@media  screen and (max-width:1024px)  {
.main2-banner-b .swiper-pagination {
    position: absolute;
    right: 0;
    top: -2vw;
}
}
@media  screen and (max-width:768px)  {
.main2-banner-b .swiper-pagination {
    position: absolute;
    right: 0;
    top: -2vw;
}
}
@media  screen and (max-width:500px)  {
.main2-banner-b .swiper-pagination {
    position: absolute;
    right: 0;
    top: -3vw;
}
}

.main2-banner {
  width: 100%;
  position: relative;
  margin: 0 auto;
  overflow: hidden;
}
.main2-banner-b .swiper-pagination-bullet {
  background-image: url(../img/index/index-hotcase-dot1.png);
  display: inline-block;
  background-repeat: no-repeat;
  background-size: contain;
  width: 1.1vw;
  height: 1.1vw;
  margin-left: 0.1vw !important;
  margin-right: 0.1vw !important;
  opacity: 1;
  border: none;
  background-color: transparent;
  border-radius: 0;
}

.main2-banner-b .swiper-pagination-bullet-active {
  background-image: url(../img/index/index-hotcase-dot2.png);
  background-color: transparent;
}

.main2-banner-b .swiper-container .swiper-slide .main2-txt {
  display: none;
}
.main2-banner-b .swiper-wrapper .swiper-slide-active .main2-txt {
  display: block;
}

.main2-banner-b .main2-txt {
  font-family: "Noto Sans TC";
  font-weight: 400;
  letter-spacing: 0.1vw;
  color: #000;
  font-size: 1.1vw;
  line-height: 2vw;
}
.main2-banner-b .main2-txt .main2-txt-left {
    width: 15vw;
    position: absolute;
    left: -15vw;
    top: 6vw;
}
.main2-banner-b .main2-txt .main2-txt-left .case_name{
    font-size: 2vw;
    font-weight: 400;
    line-height: 3vw;
}
.main2-banner-b .main2-txt .main2-txt-left .case_name_eng{
    font-size: 0.75vw;
    font-weight: 300;
    line-height: 1.5vw;
    padding-bottom: 0.5vw;
    font-family: "IntroCondLightFree", serif;
}
.main2-banner-b .main2-txt .main2-txt-left .case_name_txt{
    padding-bottom: 0.5vw;
    line-height: 1.5vw;
    font-weight: 400;
}
.main2-banner-b .main2-txt .main2-txt-left .case_name_area{
    font-size: 1.6vw;
    font-weight: 400;
    line-height: 2vw;
}
.main2-banner-b .main2-txt .main2-txt-bottom {
    width: 100%;
    position: relative;
    text-align: center;
    line-height: 1.25vw;
    letter-spacing: 1px;
    padding: 1vw 0.5vw;
}
@media  screen and (max-width:768px)  {
.main2-banner-b .main2-txt .main2-txt-bottom {
    letter-spacing: 0px;
}
}

.main2-right {
    width: 20vw;
    position: absolute;
    left: 79.4vw;
    bottom: 9.85vw;
    z-index: 2;
}
.main2-right .main2-banner-mask {
  width: 100%;
  height: 100%;
  position: absolute;
  left: 0%;
  top: 0;
  background-color: rgba(0, 0, 0, 0.67);
  z-index: 1;
}



/*About*/
.about{background-color: transparent;}
.about .bg{
    width: 100%;
    background-color: transparent;
    z-index: 1;
    overflow: hidden;
    background-attachment: fixed;
    background-size: cover;
    background-position: 50% 50%;
    background-repeat: no-repeat;
}
.about .bg .size1{
    width: 100%; 
    display: block;
}
.about .bg .size2{
    width: 100%;
    display: none;
}
.about .bg .size3{
    width: 100%;
    display: none;
}
.about .bg .size4{
    width: 100%;
    display: none;
}
@media  screen and (max-width:2560px)  {
.about .bg .size1{
    display: block;
}
.about .bg .size2{
    display: none;
}
.about .bg .size3{
    display: none;
}
.about .bg .size4{
    width: 100%;
    display: none;
}
}
@media  screen and (max-width:1920px)  {
.about .bg .size1{
    display: none;
}
.about .bg .size2{
    display: block;
}
.about .bg .size3{
    display: none;
}
.about .bg .size4{
    width: 100%;
    display: none;
}
}
@media  screen and (max-width:1450px)  {
.about .bg .size1{
    display: none;
}
.about .bg .size2{
    display: none;
}
.about .bg .size3{
    display: block;
}
.about .bg .size4{
    width: 100%;
    display: none;
}
}
@media  screen and (max-width:1280px)  {
.about .bg .size1{
    display: none;
}
.about .bg .size2{
    display: none;
}
.about .bg .size3{
    display: none;
}
.about .bg .size4{
    width: 100%;
    display: block;
}
}

.about .bg .line1{
  width: 2px;
  height: 0vw;
  background-color: #4c4c4b;
  position: absolute;
  left: 30.3vw;
  top: 0;
  z-index: 10;

}
@media  screen and (max-width:2560px)  {
.about .bg .line1{
  position: absolute;
  left: 30.4vw;
}
}
@media  screen and (max-width:1920px)  {
.about .bg .line1{
  position: absolute;
  left: 30.3vw;
}
}


.about .bg .line2{
  width: 2px;
  height: 0vw;
  background-color: #4c4c4b;
  position: absolute;
  left: 79.4vw;
  bottom: 0;
  z-index: 10;
}
/*@media  screen and (max-width:2560px)  {
.about .bg .line2{
  position: absolute;
  left: 79.4vw;
}
}
@media  screen and (max-width:1920px)  {
.about .bg .line2{
  position: absolute;
  left: 79.3vw;
}
}*/

.about .bg .line3{
  width: 2px;
  height: 0vw;
  background-color: #4c4c4b;
  position: absolute;
  left: 32.5vw;
  top: 0;
  z-index: 10;

}
.about .bg .line4{
  width: 2px;
  height: 0vw;
  background-color: #4c4c4b;
  position: absolute;
  left: 77.3vw;
  top: 0;
  z-index: 10;

}

.about .title_box{
    width: 12vw;
    position: absolute;
    left: auto;
    right: 28vw;
    top: 4.8vw;
    bottom: auto;
    text-align: justify;
    text-justify: distribute-all-lines;
    text-align-last: ce;
    z-index: 15;
}
.about .title_box .title_eng {
    width: 105%;
    display: block;
    color: #fff;
    font-size: 1.2vw;
    font-weight: 300;
    line-height: 2vw;
    letter-spacing: 0.8vw;
    font-family: "IntroCondLightFree", serif;
    text-align: center;
    text-justify: distribute-all-lines;
    text-align-last: justify;
    padding-left: 0.1vw;
}
.about .about-txt-bottom {
    position: absolute;
    left: auto;
    right: 24vw;
    top: 14vw;
    width: 20vw;
    font-family: "Noto Sans TC";
    font-weight: 300;
    letter-spacing: 0.1vw;
    color: #fff;
    font-size: 1.1vw;
    line-height: 2vw;
    text-align: center;
}
.about .more{
    transform: scaleY(0.95);
    position: absolute;
    left: 16.5vw;
    right: auto;
    bottom: 9.9vw;
    color: #fff;
    float: right;

}
.about .more:hover{
  color: #ae9787;
}



/*Classic*/
.classic .bg{
    width: 100%;
}
.classic .title_box{
    width: 12vw;
    position: absolute;
    right: 8vw;
    left: auto;
    top: 16vw;
    bottom: auto;
    text-align: justify;
    text-justify: distribute-all-lines;
    text-align-last: justify;
    z-index: 15;

}
.classic .title_box .title_eng{
  width: 102%;
  display: block;
  color: #0e446c;
  font-size: 1.2vw;
  font-weight: 300;
  line-height: 2vw;
  letter-spacing: 0.3vw;
  font-family: "IntroCondLightFree", serif;
  padding-left: 0.1vw;
}
.classic .classic-txt-bottom {
    position: absolute;
    left: auto;
    right: 5vw;
    top: 23vw;
    width: 15vw;
    font-family: "Noto Sans TC";
    letter-spacing: 0.1vw;
    font-weight: 400;
    color: #000000;
    font-size: 1.1vw;
    line-height: 2vw;
    text-align: left;
}
.classic .classic-txt-bottom h6{
  font-family: "IntroCondLightFree", serif;
  font-size: 0.6vw;
  line-height: 1vw;

}
.classic .more{
    width: 6vw;
    transform: scaleY(0.95);
    position: absolute;
    right: 14vw;
    left: auto;
    top: 28vw;
    line-height: 2vw;
    text-align: center;
    bottom: auto;
    color: #000000;
    float: right;
    font-size: 1vw;
    border: 1px solid #000;
}
.classic .more .be{
    position: absolute;
    width: 0.7vw;
    right: 0.8vw;
    bottom: 0.5vw;
    opacity: 1;

}
.classic .more .af{
    position: absolute;
    width: 0.7vw;
    right: 0.8vw;
    bottom: 0.5vw;
    opacity: 0;

}
.classic .more:hover{
  color: #ae9787;
  border: 1px solid #ae9787;
}
.classic .more:hover .af{
  opacity: 1;
}
.classic .more:hover .be{
  opacity: 0;
}

.classic .box_outer {
    width: 65vw;
    display: flex;
    align-items: center;
    justify-content: center;
    position: absolute;
    left: 10vw;
    top: 4vw;
}
.container {
  min-width: 42vw;
  display: flex;
  width: 100%;
}
.slides {
  display: flex;
  position: relative;
}
.slide {
  cursor: pointer;
  height: 42vw;
  color: #fff;
  border-radius: 0;
  margin:0 0.2vw;
  flex: 1;
  position: relative;
  transition: all 0.5s ease-in-out;
  overflow: hidden;
  border: 1px solid #ae9787;
}
.fake_img{
  width: 100%;
  height: 100%;
  position: absolute;
  left: 0;
  top: 0;
  background-size: cover;
  background-position: 0% 50%;
  background-repeat: no-repeat;
  z-index: 2;
}
.fake_img_mask{
  width: 100%;
  height: 100%;
  position: absolute;
  left: 0;
  top: 0;
  background-image: url(../img/index/index-classic-mask-be.png);
  background-size: cover;
  background-position: 0% 100%;
  background-repeat: no-repeat;
  z-index: 3;
  opacity: 1;
}

.slide img{
  width: 100%;
  height: 100%;
  object-fit: cover;
  z-index: 1;
}
.slide h3 {
  transform: scaleY(0.9);
  position: absolute;
  top: 0.8vw;
  left: 1vw;
  font-family: "Arial";
  font-size: 1.5vw;
  line-height: 2vw;
  color: #fff;
  z-index: 4;
}
.slide a {
  width: 100%;
  display: block;
  position: absolute;
  bottom: 9vw;
  right: 0vw;
  text-align: center;
  opacity: 0;
  z-index: 4;
  letter-spacing: 0.1vw;
  z-index: -1;
}
.slide a .txt-in{
  position: relative;
  display: inline-block;
  font-family: "Noto Sans TC";
  font-size: 2.2vw;
  line-height: 3vw;
  letter-spacing: 0.2vw;
  color: #fff;
  transition: all 0.1s ease-in-out;
}
.slide a .more-in{
    display: inline-block;
    transform: scaleY(0.95);
    width: 5vw;
    font-size: 1vw;
    color: #fff;
    letter-spacing: 0.25vw;
    font-family: "IntroCondLightFree", serif;
    cursor: pointer;
    border: none;
    text-align: left;
    transition: all 0.1s ease-in-out;
}
.slide a .more-in img.be{
  position: absolute;
  width: 0.8vw;
  right:0.5vw;
  bottom: 0vw;
  opacity: 1;
  transition: all 0.1s ease-in-out;
}
.slide a .more-in img.af{
  position: absolute;
  opacity: 0;
  right: 0.5vw;
  width: 0.8vw;
  bottom: 0vw;
  transition: all 0.1s ease-in-out;
}
.slide a:hover .txt-in {
  /*color: #ae9787;*/
}
.slide a:hover .more-in {
  color: #ae9787;
}
.slide a:hover .more-in img.af{
  opacity: 1;
}
.slide a:hover .more-in img.be{
  opacity: 0;
}



.slide.active {
  flex: 4;
}
.slide.active a {
  opacity: 1;
  z-index: 20;
  transition:opacity 0.5s ease-in 0.4s;
}
.slide.active .fake_img_mask{
  opacity: 1;
  transition:opacity 0.5s ease-in 0.4s;
}
.slide.active .fake_img_mask{
  background-image: url(../img/index/index-classic-mask.png);
}