@charset "utf-8";

header {
  width: 100%;
  position: fixed;
  left: 0;
  top: 0;
  z-index: 999;
  height: var(--headerHeight);
  padding: 1rem 0;
  transition: all 0.4s ease;
  will-change: transform;
}

header.hide {
  transform: translateY(-100%);
}

header.active {
  padding: 0;
}

header.header2 {
  background: #fff;
  box-shadow: 0 0 0.1rem 0.03rem rgba(0, 0, 0, 0.05);
  padding: 0;
}

header .nav_box {
  display: flex;
  justify-content: space-between;
  align-items: center;
  height: 100%;
}


header .logo {
  transition: all 0.5s ease;
  z-index: 9999;
  position: relative;
  height: 30px;
}

header .logo img {
  display: block;
  height: 100%;
  filter: invert(1) brightness(1000);
}

header.header2 .logo img {
  filter: none;
}

header nav {
  display: flex;
  height: 100%;
}

header ul {
  display: flex;
  height: 100%;
  gap: clamp(20px, 5vw, 60px);
}

header ul li {
  height: 100%;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
}

header ul li h2 {
  flex-direction: column;
  align-items: center;
  justify-content: center;
  display: inline-block;
}

.txtDol {
  transition: all 0.5s ease;

  overflow: hidden;
  height: 14px;
}

.txtDol span {
  font-size: clamp(12px, 1vw, 18px);
  display: block;
  font-weight: 400;
  color: #fff;
  transition: .45s ease;
}

.txtDol span:last-child {
  transform: translateY(100%);
}

.txtDol:hover span:first-child {
  transform: translateY(-100%);
}

.txtDol:hover span:last-child {
  transform: translateY(-100%);
}

header.header2 .nav li h2 span {
  color: var(--color);
}

header .others {
  display: flex;
  align-items: center;
  height: 100%;
}

.navBtn {
  z-index: 99999;
  cursor: pointer;
  display: none;
  margin-left: 1rem;
}

.navBtn span {
  display: block;
  width: 18px;
  height: 2px;
  background: #fff;
  margin: 3px auto;
}

.header2 .navBtn span {
  background: var(--color);
}

.nav_btn_active {
  -webkit-transition: all 0.4s;
  transition: all 0.4s;
}

.nav_btn_active span {
  background: #333 !important;
}

.nav_btn_active span:nth-of-type(1) {
  -webkit-transform: rotate(45deg);
  transform: rotate(45deg);
}

.nav_btn_active span:nth-of-type(2) {
  opacity: 0;
}

.nav_btn_active span:nth-of-type(3) {
  margin-top: -10px;
  -webkit-transform: rotate(-45deg);
  transform: rotate(-45deg);
}

.banner {
  position: fixed;
  width: 100%;
  left: 0;
  top: 0;
}

.banner .swiper-container {
  height: 100vh;
  overflow: hidden;
  position: relative;
}

.banner .swiper-slide {
  display: flex;
  justify-content: center;
  align-items: center;
  position: relative;
}

.banner .swiper-slide::before {
  content: '';
  position: absolute;
  left: 0;
  top: 0;
  width: 100%;
  height: 30%;
  background: linear-gradient(to bottom, rgba(0, 0, 0, 0.2), rgba(0, 0, 0, 0));
  z-index: 1;
}

.banner .swiper-slide::after {
  content: '';
  position: absolute;
  left: 0;
  top: 0;
  width: 100%;
  height: 100%;
  background: rgba(0, 0, 0, 0);
  z-index: 2;
}

.banner img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.banner .txt {
  position: absolute;
  left: 50%;
  top: 50%;
  transform: translate(-50%, -50%);
  z-index: 6;
  color: #fff;
}

.banner .txt h3 {
  line-height: 1.3;
  display: flex;
  flex-direction: column;
}

.banner .typewriter i {
  font-size: clamp(20px, 4.6vw, 70px);
  line-height: 1.3;
  color: #fff;
  font-weight: 500;
  display: inline-block;
  opacity: 0;
  transform: translateY(80px);
  will-change: transform, opacity;

}

.banner .start .typewriter i {
  animation: textShow .8s forwards;
  animation-delay: calc(var(--delay) * .05s);
}

@keyframes textShow {
  from {
    opacity: 0;
    transform: translateY(80px);

  }

  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.banner .swiper-pagination span {
  background: #fff;
  margin: 0 7px !important;
  width: 8px;
  height: 8px;
  border-radius: 2rem;
  opacity: 1 !important;
  transition: all 0.5s ease;
}

.banner .swiper-pagination .swiper-pagination-bullet-active {
  background: var(--color);
}

.banner .more {
  transform: translateY(30px);
  opacity: 0;
  margin: 1.5rem 0 0;
}

.banner .swiper-slide-active .more {
  transform: translateY(0px);
  opacity: 1;
  transition: all 0.5s ease 1s;
}

.title {
  margin-bottom: 4rem;
}

.title h3 {
  font-size: clamp(20px, 4.6vw, 70px);
  line-height: 1.3;
  font-weight: 500;
}

.title p {
  margin: 1rem auto 0;
}

.titleCenter {
  text-align: center;
}

.title2 {
  margin-bottom: 3rem;
}

.title2 h3 {
  font-size: clamp(20px, 3vw, 40px);
  font-weight: 500;
  line-height: 1.2;
}

.more {
  width: max-content;
  cursor: pointer;
  margin: 3rem 0 0;
  position: relative;
  border: 1px solid transparent;
  background: #fff;
  padding: clamp(8px, 0.8vw, 14px) clamp(14px, 1.2vw, 18px);
  border-radius: 5rem;
  display: flex;
  align-items: center;
  font-weight: 400;
  font-size: clamp(12px, 1vw, 16px);
  transition: all .5s cubic-bezier(.77, 0, .175, 1);
}

.more span {
  margin-left: clamp(6px, 0.6vw, 8px);
  width: clamp(12px, 1vw, 16px);
  position: relative;
  overflow: hidden;
}

.more img {
  width: clamp(10px, 1vw, 16px);
  display: block;
  filter: grayscale(1) brightness(0.2);
  transition: transform .5s cubic-bezier(.77, 0, .175, 1);
}

.more img:nth-child(2) {
  position: absolute;
  top: 0;
  left: -100%;
}

.more:hover img:nth-child(1) {
  transform: translateX(110%);
  transition-timing-function: cubic-bezier(0, 0, .2, 1);
}

.more:hover img:nth-child(2) {
  transform: translateX(100%);
}

.more2 {
  background: none;
  border-color: #fff;
  color: #fff;
}

.more2 span img {
  filter: invert(1) brightness(1000);
}

.more2:hover {
  background: #fff;
  color: var(--color) !important;
}

.more2:hover span img {
  filter: grayscale(1) brightness(0.2) !important;
}


.fixedHight {
  width: 100%;
  height: 100vh;
}

.index_bars {
  padding: clamp(50px, 9vw, 120px) 0;
  position: relative;
}

.index_pro {
  width: 100%;
  height: 100vh;
  position: relative;
  z-index: 6;
  overflow: hidden;
}

.index_pro .bg {
  width: 100%;
  height: 100%;
  position: absolute;
  left: 0;
  top: 0;
  z-index: 7;
}

.index_pro .bg img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  will-change: transform;
  transform-origin: center center;
}

.index_pro .txt {
  position: absolute;
  left: 50%;
  top: 50%;
  transform: translate(-50%, -50%);
  z-index: 9;
  color: #fff;
}

.index_pro .title {
  margin: 0;
}

.index_pro .more {
  margin: 1.5rem 0 0;
}

.index_pro .title h3 {
  color: #fff;
}

.sbtn {
  margin: 1rem;
}

.sbtn::after {
  color: #fff;
  cursor: pointer;
  transition: all 0.5s ease;
  font-size: 1.2rem !important;
}

.sbtn:hover:after {
  color: var(--color2);
}

.index_about {
  overflow: hidden;
  width: 100%;
  position: relative;
  z-index: 6;
  background: #fff;
}

.index_about .contain {
  overflow: hidden;
  justify-content: space-between;
}

.index_about .ll {
  width: 42%;
}

.index_about .ll img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.index_about .rr {
  width: 58%;
  padding: 3rem 6%;
  box-sizing: border-box;
  display: flex;
  flex-direction: column;
  justify-content: center;
  background: var(--color);
}

.index_about .title2 {
  margin: 0 0 1.5rem;
}

.index_about .title2 h3 {
  color: #fff;
}

.index_about .rr p {
  color: #fff;
  margin: 0;
  font-size: clamp(12px, 1.1vw, 18px);
}

.index_about .contain:hover h3 {
  color: var(--color2);
}

.footer {
  background: var(--color);
  overflow: hidden;
  width: 100%;
  position: relative;
  z-index: 6;
}


.footer .logo2 {
  width: 14vw;
}

.footer .logo2 img {
  width: 100%;
  filter: invert(1) brightness(1000);
}

.footer .bar2 dl {
  display: flex;
  justify-content: space-between;
}

.footer dl dd p {
  color: #fff;
  margin: 0 0 1.8rem 0;
  line-height: 1.3;
  font-weight: 400;
}

.footer dl dd a {
  font-weight: 400;
  color: #fff;
  font-size: clamp(12px, 1vw, 18px);
  transition: all 0.5s ease;
}

.footer dl dd p:hover a {
  color: var(--color2);
}

.footer dl dd a:hover {
  color: var(--color2);
}

.follow {
  display: flex;
  align-items: center;
}

.follow p {
  padding: 0.5rem;
  background: #eee;
  box-sizing: border-box;
  border-radius: 50%;
  margin-right: 0.6rem !important;
  width: 2rem;
  transition: all 0.5s ease;
}

.follow p img {
  width: 100%;
  filter: grayscale(1) brightness(0.6);
}

.follow p:hover img {
  filter: none;
}

.footer .copy {
  position: relative;
  padding: 1.5rem 0;
}

.footer .copy .ll {
  display: flex;
  align-items: center;
  justify-content: space-between;
  cursor: pointer;
  transition: all 0.5s ease;
}

.footer .copy p {
  font-size: clamp(12px, 0.8vw, 16px);
  margin: 0;
  position: relative;
  color: #fff;
  line-height: 1.4;
  transition: all 0.5s ease;
}

.footer .copy p a {
  color: #fff;
  margin-left: 1rem;
  font-size: clamp(12px, 0.8vw, 16px);
  transition: all 0.5s ease;
}

.footer .copy .ll a:hover {
  color: var(--color2);
  text-decoration: underline;
}

.fixedgt {
  position: fixed;
  bottom: 5%;
  right: 1%;
  z-index: 666;
  display: none;
}

.all_back {
  width: clamp(30px, 2.5vw, 50px);
  height: clamp(30px, 2.5vw, 50px);
  background-color: #ffffff;
  border-radius: 50%;
  display: flex;
  justify-content: center;
  align-items: center;
  box-shadow: -1px 3px 16px 0px rgba(148, 180, 255, 0.16);
  cursor: pointer;
  transition: all 0.5s ease;
}

.all_back img {
  width: 40%;
}

.all_back:hover {
  background: var(--color2);
}

.all_back:hover img {
  filter: invert(1) brightness(1000);
}

.bans {
  position: relative;
  overflow: hidden;
}

.bans .bg {
  width: 100%;
  height: 100%;
  overflow: hidden;
  display: flex;
  justify-content: center;
  align-items: center;
}

.bans .bg img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: all 1s;
}

.bans:hover .bg img {
  transform: scale(1.08);
}

.bans .txt {
  position: absolute;
  left: 50%;
  bottom: 11%;
  transform: translate(-50%, -0%);
  z-index: 9;
}

.bans h2 {
  margin-bottom: 1.2rem;
  color: #fff;
  font-size: clamp(20px, 2.6vw, 50px);
  font-weight: 500;
}

.bans p {
  width: 66%;
  line-height: 1.4;
  margin: 0;
  color: #fff;
  font-size: clamp(16px, 1.6vw, 20px);
}

.sNav {
  border-bottom: 1px solid rgba(0, 0, 0, 0.06);
}

.sNav ul {
  position: relative;
  display: flex;
  gap: 0 3vw;
}

.sNav ul li {
  font-size: clamp(11px, 0.9vw, 18px);

  padding: 1.1rem 0;
  transition: 0.4s;
}

.sNav ul li.active {
  color: var(--color2);
  font-weight: 400;
  border-bottom: 1px solid var(--color2);
}

.sNav ul li:hover {
  color: var(--color2);
}

.about {
  position: relative;
  z-index: 1;
  overflow: hidden;
}

.about .bg video {
  position: absolute;
  width: 100%;
  height: 100%;
  object-fit: cover;
  left: 0;
  top: 0;
  z-index: 1;
  opacity: 0.06;
}

.about .contain {
  position: relative;
  z-index: 6;
  justify-content: space-between;
}

.about .contain .ll {
  width: 50%;
}

.about .contain .title2 {
  margin-bottom: 1.5rem;
}

.about .contain .ll p {
  margin: 0;
  font-weight: 400;
  line-height: 2;
  color: var(--color);
}

.about .contain .rr {
  width: 45%;
}

.about .contain .rr p {
  margin: 0 0 1rem;
}

.pro .bar2 dl {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 3rem 1.5rem;
}

.pro .bar2 dl a {
  display: block;
}

.pro .bar2 dl dd {
  position: relative;
}

.pro .bar2 dl dd b {
  display: flex;
  justify-content: center;
  align-items: center;
  flex-direction: column;
  overflow: hidden;
  background: #f8f8f8;
  padding: 20%;
  box-sizing: border-box;
  min-height: 29vw;
}

.pro .bar2 dl dd h6 {
  display: flex;
  margin: 1.5rem 0;
  position: relative;
  transition: all 0.6s ease;
  font-weight: 400;
}

.pro .bar2 dl dd:hover h6 {
  color: var(--color2);
}

.pro .bar2 dl dd p {
  margin: 0.5rem 0;
}

.moreb {
  padding: 0;
  margin: 0;
  color: var(--color2);
}

.moreb img {
  filter: none;
}

.pd_bans {
  height: 100vh !important;
}

.pd_bans .txt {
  bottom: inherit !important;
  top: 50%;
  transform: translate(-50%, -50%);
  text-align: center;
}

.pd_bans .bg img {
  transform: scale(1.1);
  transition: all 3s ease;
}

.pd_bans.active .bg img {
  transform: scale(1);
}

.pdnav {
  background: #fff;
  border-bottom: 1px solid rgba(0, 0, 0, 0.06);
  position: sticky;
  top: 0;
  z-index: 99;
}

.pdnav .box {
  justify-content: space-between;
  align-items: center;
  padding: 0.8rem 0;
}

.pdnav .ll {
  display: flex;
  align-items: center;
  gap: 0 1rem;
}

.pdnav .ll p img {
  height: 1.2rem;
}

.pdnav p {
  margin: 0;
}

.pdnav .ll h1 {
  color: var(--color);
  font-weight: 400;
}

.pdnav .ll p:first-of-type {
  padding-right: 1.2rem;
  border-right: 1px solid rgba(0, 0, 0, 0.2);
}

.pdnav .rr {
  display: flex;
  align-items: center;
  gap: 0 2rem;
}

.pdnav .rr p {
  transition: all 0.5s ease;
  font-weight: 400;
  cursor: pointer;
}

.pdnav .rr p:hover {
  color: var(--color2);
}

.prod {
  background: #f3f3f3;
}

.prod .pbar1 {
  align-items: center;
  justify-content: space-between;
}

.prod .pbar1 .ll {
  width: 48%;
  padding: 0 5%;
  box-sizing: border-box;
}

.prod .pbar1 .ll img {
  width: 100%;
}

.prod .pbar1 .rr {
  width: 40%;
  box-sizing: border-box;
}

.prod .pbar1 .title2 {
  margin-bottom: 0;
}

.prod .pbar1 .tt {
  margin-top: 2rem;
}

.prod .pbar1 dl {
  border-bottom: 1px solid rgba(0, 0, 0, .1);
  position: relative;
}

.prod .pbar1 dl::after {
  content: '';
  position: absolute;
  left: 0;
  bottom: -1px;
  width: 0%;
  height: 1px;
  transition: all 0.3s linear;
  background: var(--color);
}

.prod .pbar1 dl:hover:after {
  width: 100%;
}

.prod .pbar1 dl dt {
  display: flex;
  font-weight: 400;
  cursor: pointer;
  padding: 1rem 0;
  align-items: center;
  justify-content: space-between;
}

.prod .pbar1 dl dt span {
  display: flex;
}

.prod .pbar1 dl dt span::before {
  content: "+";
  font-size: clamp(16px, 2vw, 26px);
  color: #666;
  font-weight: 300;
}

.prod .pbar1 dl.active dt span::before {
  content: "-";
}

.prod .pbar1 dl dd {
  padding: 0 0 1.2rem 0;
  display: none;
}

.prod .pbar1 dl dd p {
  margin: 0;
}

.prod .pbar1 .tt2 {
  margin-top: 2rem;
}

.prod .pbar1 .tt2 p {
  font-weight: 400;
  margin: 0;
}

.prod .pbar1 p:not(:has(img)) {
  width: 100%;
}

.prod .pbar1 .ttimgs {
  display: flex;
  flex-wrap: wrap;
  gap: 0.8rem;
}

.prod .pbar1 .ttimgs img {
  width: 4rem;
  height: 4rem;
  object-fit: cover;
  border: 1px solid rgba(0, 0, 0, .2);
  background: #fff;
  cursor: pointer;
}

.prod .pbar1 .ttimgs p strong {
  background: #fff;
  border-radius: 5rem;
  margin: 0;
  padding: 0.5rem 2rem;
  cursor: pointer;
}

.prod .pbar1 .ttimgs p:has(strong) img {
  display: none;
}

.prod2 {
  position: relative;
  overflow: hidden;
}

.prod2 .swiper-slide {
  height: calc(100vh - 52px);
  position: relative;
  cursor: pointer;
}

.prod2 .swiper-slide>img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.prod2 .swiper-slide b {
  position: absolute;
  right: 1rem;
  top: 1rem;
  width: 1.2rem;
  height: 1.2rem;
  background: #fff;
  border-radius: 50%;
  padding: 0.5rem;
  z-index: 6;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: all 0.5s ease;
}

.prod2 .swiper-slide b img {
  width: 100%;
}

.prod2 .swiper-slide:hover b {
  transform: scale(1.08);
}

.prod2 .btns {
  position: absolute;
  left: 50%;
  top: 50%;
  transform: translate(-50%, -50%);
  z-index: 9;
}

.bls {
  width: 2.5rem !important;
  height: 2.5rem !important;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.76);
  box-shadow: rgba(0, 0, 0, 0.08) 0px 0px 8px;
  overflow: hidden;
  position: relative;
}

.bls::after {
  display: none;
}

.bls img {
  width: 35%;
  display: block;
  filter: grayscale(1) brightness(0.2);
  transition: transform .5s cubic-bezier(.77, 0, .175, 1);
}

.bls img:nth-child(2) {
  position: absolute;
  top: 50%;
  left: -35%;
  transform: translateY(-50%);
}

.bls:hover img:nth-child(1) {
  transform: translateX(195%);
  transition-timing-function: cubic-bezier(0, 0, .2, 1);
}

.bls:hover img:nth-child(2) {
  transform: translate(190%, -50%);
}

.bls.swiper-button-prev img:nth-child(2) {
  left: 100%;
}

.bls.swiper-button-prev:hover img:nth-child(1) {
  transform: translateX(-195%);
}

.bls.swiper-button-prev:hover img:nth-child(2) {
  transform: translate(-190%, -50%);
}

.prod3 {
  overflow: hidden;
  background: #f9f9f7;
}

.prod3 .swiper-slide img {
  width: 100%;
}

.prod3 .btns {
  margin: 3rem auto 0;
  display: flex;
  justify-content: flex-end;
  position: relative;
}

.prod3 .btns .bls {
  position: relative;
  margin: 0 0.5rem;
  box-shadow: none;
  border: 1px solid rgba(0, 0, 0, .5);
  right: inherit;
  left: inherit;
}

.prod4 {
  overflow: hidden;
}

.prod4 .contain {
  position: relative;
}

.prod4 .contain .slide-box {
  overflow: hidden;
}

.prod4 .swiper-slide b {
  display: block;
  overflow: hidden;
  cursor: pointer;
}

.prod4 .swiper-slide img {
  width: 100%;
}

.prod4 .bls {
  margin: -2.5rem 1rem;
}

.prod4 p {
  font-weight: 400;
}

.video-popup {
  display: none;
  position: fixed;
  left: 0;
  top: 0;
  width: 100%;
  height: 100%;
  z-index: 9999;
}

.video-mask {
  position: absolute;
  inset: 0;
  background: rgba(0, 0, 0, .7);
}

.video-box {
  position: absolute;
  left: 50%;
  top: 50%;
  transform: translate(-50%, -50%);
  max-height: 90%;
  overflow: hidden;
  display: flex;
  justify-content: center;
  align-items: center;
}

.video-box video {
  max-width: 100%;
  display: block;
  max-height: 100%;
  object-fit: cover;
}

.video-popup .close {
  position: fixed;
  right: 1rem;
  top: 1rem;
  color: #fff;
  width: clamp(20px, 3vw, 34px);
  cursor: pointer;
  z-index: 9;
}

.video-popup .close img {
  width: 100%;
  filter: invert(1) brightness(1000);
}

.contact ul {
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 2rem 0;
}

.contact ul li {
  border-top: 1px solid var(--color);
  padding: 1.2rem 0;
  box-sizing: border-box;
  cursor: default;
  width: 47%;
}

.contact ul li:first-of-type {
  width: 100%;
}

.contact ul li h6 {
  color: #999;
  margin-bottom: 0.8rem;
  font-size: clamp(14px, 1vw, 20px);
}

.contact ul li p {
  line-height: 1.6;
  font-weight: 400;
  color: var(--color);
  margin: 0;
}

.contact ul li p a {
  line-height: 1.6;
  font-weight: 400;
  transition: all 0.5s ease;
  margin-right: 1rem;
}

.contact ul li p a:hover {
  color: var(--color2);
}

.pages ul {
  display: flex;
  justify-content: center;
  align-items: center;
  margin-top: 3rem;
}

.pages ul li {
  margin: 0 0.4rem;
  transition: all 0.5s ease;
  width: 2rem;
  height: 2rem;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  border: 1px solid rgba(0, 0, 0, 0.6);
}

.pages ul li.active,
.pages ul li:hover {
  background: var(--color2);
  color: #fff;
  border-color: transparent;
}

.pages ul li a,
.pages ul li span {
  display: block;
  width: 100%;
  height: 100%;
  transition: all 0.5s ease;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: clamp(11px, 0.9vw, 14px);
}

.pages ul li.active span,
.pages ul li:hover span,
.pages ul li.active a,
.pages ul li:hover a {
  color: #fff;
}

.big_box {
  position: fixed;
  width: 100%;
  height: 100vh;
  overflow: hidden;
  left: 0;
  top: 0;
  background: rgba(0, 0, 0, 0.80);
  z-index: 9999999999;
  display: none;
}

.big_box .slide-box {
  width: 80%;
  overflow: hidden;
  position: absolute;
  left: 50%;
  top: 50%;
  transform: translate(-50%, -50%);
}

.big_box .big_imgss b {
  display: none;
}

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

.big_box .bls {
  margin: -1rem 1rem !important;
}

.big_box .swiper-pagination {
  position: fixed;
  left: 0px;
  top: 0px;
  z-index: 9;
  padding: 1.5rem;
  color: #fff;
  text-align: left;
  letter-spacing: -1px;
  width: auto;
  height: auto;
}

.big_box .swiper-pagination span {
  color: #fff;
}

.big_box .righttop {
  position: fixed;
  right: 0px;
  top: 0px;
  z-index: 9;
  padding: 10px;
  background: var(--color);
}

.big_box .righttop div {
  float: right;
}

.big_box .righttop img {
  margin: 0;
  height: 1.6rem;
  cursor: pointer;
  -webkit-transition: all 0.3s linear;
  transition: all 0.3s linear;
  filter: invert(1) brightness(10000);
}

.big_box .righttop img:hover {
  opacity: 0.6 !important;
}