@charset "utf-8";
body {
  height: auto;
}

.ys_cont1080 {
  width: 1080px;
  margin: 0 auto;
  max-width: 100%;
}

/* - banner - start*/
.ys_banner {
  width: 100%;
  position: relative;
  height: 100vh;
}

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

.ys_ban_imgbox {
  position: relative;
  z-index: 1;
}

.ys_ban_imgbox img {
  width: 100%;
}

.ys_ban_li > a {
  display: block;
}

.ys_ban_ph {
  display: none;
}

.ys_ban_video {
  position: absolute;
  left: 50%;
  top: 50%;
  z-index: 2;
  transform: translate(-50%, -50%);
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.ys_ban_li:not(:first-child) {
  display: none;
}

.ys_ban_imgbox::before {
  content: "";
  display: block;
  position: absolute;
  left: 0;
  top: 0;
  z-index: 3;
  width: 100%;
  height: 100%;
  /* background: rgba(0, 0, 0, .3); */
}
.ys_ban_txtbox {
  z-index: 5;
}
/* - banner - end*/
/* tammy - start */
/* sy - banner*/
.ys_ban_title {
  text-align: center;
  color: #fff;
  font-size: 70px;
  line-height: 1.2;
  font-weight: bold;
}
.ys_ban_imgbox {
  height: 100vh;
}
.ys_ban_imgbox img {
  width: 100%;
  min-height: 100%;
  object-fit: cover;
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
}
.ys_ban_slick .slick-prev,
.ys_ban_slick .slick-next {
  width: 100px;
  height: 100px;
  z-index: 2;
}
.ys_ban_slick .slick-prev::before,
.ys_ban_slick .slick-next::before {
  content: url(../images/a1_icon6.svg);
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%) scale(1.72);
}
.ys_ban_slick .slick-next::before {
  content: url(../images/a1_icon7.svg);
}
.ys_ban_slick .slick-prev {
  left: 100px;
}
.ys_ban_slick .slick-next {
  right: 100px;
}
.t_xiaban {
  opacity: 1;
  position: absolute;
  left: 50%;
  bottom: 0;
  /* z-index: 20; */
  width: 2px;
  height: 130px;
  background: rgba(255, 255, 255, 0.4);
  transition: all 1s ease-out;
}
.t_xiaban::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0;
  width: 100%;
  height: 100%;
  background: #fff;
  animation: scroll-down-line 2.6s cubic-bezier(0.77, 0, 0.175, 1) infinite;
}
@keyframes scroll-down-line {
  0% {
    transform-origin: 50% 100%;
    transform: scaleY(1);
  }
  50% {
    transform-origin: 50% 100%;
    transform: scaleY(0);
  }
  50.0001% {
    transform-origin: 50% 0;
    transform: scaleY(0);
  }
  to {
    transform-origin: 50% 0;
    transform: scaleY(1);
  }
}

.t_xiaban {
  opacity: 1;
  position: absolute;
  left: 50%;
  bottom: 0;
  transition: all 1s ease-out;
}

.t_shubiao::before {
  content: "";
  width: 3px;
  height: 8px;
  background: #fff;
  left: 50%;
  transform: translateX(-50%);
  top: 7px;
  position: absolute;
  border-radius: 1.5px;
}
.t_shubiao {
  width: 21px;
  height: 34px;
  border-radius: 10.5px;
  border: 2px solid #fff;
  position: absolute;
  left: 50%;
  transform: translateX(-50%);
  top: -64px;
  animation: mousemove 2.6s linear infinite;
}
.t_xiaban {
  cursor: pointer;
}
@keyframes mousemove {
  0% {
    top: -64px;
  }
  50% {
    top: -44px;
  }
  100% {
    top: -64px;
  }
}

html.act {
  height: 100vh;
  overflow-y: scroll;
}
html.act body {
  height: 100vh;
}

@keyframes off {
  0% {
    clip: rect(0, 326px, 326px, 0px);
  }
  100% {
    clip: rect(0, 326px, 326px, 326px);
  }
}
@keyframes on {
  0% {
    clip: rect(0, 0, 326px, 0);
  }
  100% {
    clip: rect(0, 326px, 326px, 0px);
  }
}

/* syk1 */
.t_zuoce .t_fonth1 {
  font-size: 72px;
  line-height: 1.2;
  font-weight: 700;
  color: #000;
  margin-bottom: 30px;
}
.t_zuoce {
  width: 515px;
}
.t_xiaping {
  display: block;
  width: 96px;
  height: 96px;
  cursor: pointer;
  /* border: 1px solid #000; */
  position: relative;
  border-radius: 50%;
}

.t_xiaquan img {
  width: 14px;
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
}
.t_xiaping.on .t_xiaquan img {
  animation: jianmove 2.8s linear forwards;
}
@keyframes jianmove {
  0% {
    top: 50%;
  }
  25% {
    top: calc(50% + 10px);
  }
  50% {
    top: 50%;
  }
  75% {
    top: calc(50% - 10px);
  }
  100% {
    top: 50%;
  }
}
.t_xiaping {
  display: inline-block;
}
.t_zuobg {
  position: absolute;
  left: 0;
  top: 0;
  width: 100%;
  height: 100%;
  z-index: 10;
  transform-origin: right bottom;
  pointer-events: none;
  transition: transform 1.5s cubic-bezier(0.18, 0.63, 0, 1);
}
.t_zuoce {
  transition: transform 0.8s cubic-bezier(0.215, 0.61, 0.355, 1),
    opacity 1s ease-out;
  transition-delay: 0.6s;
}
.t_zuobgmeng {
  width: 100%;
  height: 100%;
}
html.off .t_zuobg {
  transform: scale(4);
  opacity: 0;
}
html.off .t_zuoce {
  transform: translateY(30px);
  opacity: 0;
}
.t_zuoce .t_titsizeh3 {
  margin-bottom: 35px;
}
.t_zuoce .t_duan1 {
  margin-bottom: 102px;
}
.t_syk1 {
  position: absolute;
  width: 100%;
  height: 250vh;
  transform: 0;
  top: 0;
  left: 0;
  z-index: 10;
}
.t_zuoce {
  padding-top: 280px;
}
html.off .ys_ban_title {
  opacity: 1;
  transition: opacity 1s ease-out;
}
html .ys_ban_title {
  opacity: 0;
}
.t_xiaping .progress {
  position: absolute;
  top: 50%;
  left: 50%;
  width: 100%;
  height: 100%;
  transform: translate(-50%, -50%);
  background: none;
  margin: 0 auto;
  box-shadow: none;
  position: absolute;
  opacity: 0;
}
.t_xiaping.on .progress {
  opacity: 1;
}
.t_xiaping .progress:after {
  content: "";
  width: 100%;
  height: 100%;
  border-radius: 50%;
  position: absolute;
  top: 0;
  left: 0;
}
.t_xiaping .progress > span {
  width: 50%;
  height: 100%;
  overflow: hidden;
  position: absolute;
  top: 0;
  z-index: 1;
}

.t_xiaping .progress .progress-left {
  left: 0;
}

.t_xiaping .progress .progress-bar {
  width: 100%;
  height: 100%;
  background: none;
  border-width: 1px;
  border-style: solid;
  position: absolute;
  top: 0;
  border-color: #ef6e20;
  box-sizing: border-box;
}
.t_xiaping .progress .progress-left .progress-bar {
  left: 100%;
  border-top-right-radius: 48px;
  border-bottom-right-radius: 48px;
  border-left: 0;
  -webkit-transform-origin: center left;
  transform-origin: center left;
}

.t_xiaping.on .progress .progress-left .progress-bar {
  -webkit-animation: loading-2 1.4s linear forwards 1.4s;
  animation: loading-2 1.4s linear forwards 1.4s;
}

.t_xiaping .progress .progress-right {
  right: 0;
}

.t_xiaping .progress .progress-right .progress-bar {
  left: -100%;
  border-top-left-radius: 48px;
  border-bottom-left-radius: 48px;
  border-right: 0;
}

.t_xiaping.on .progress .progress-right .progress-bar {
  -webkit-transform-origin: center right;
  transform-origin: center right;
  -webkit-animation: loading-1 1.4s linear forwards;
  animation: loading-1 1.4s linear forwards;
}
@keyframes loading-1 {
  0% {
    -webkit-transform: rotate(0deg);
    transform: rotate(0deg);
  }
  100% {
    -webkit-transform: rotate(180deg);
    transform: rotate(180deg);
  }
}
@keyframes loading-2 {
  0% {
    -webkit-transform: rotate(0deg);
    transform: rotate(0deg);
  }
  100% {
    -webkit-transform: rotate(180deg);
    transform: rotate(180deg);
  }
}
html.off .t_zuobg,
html.off .t_syk1 {
  z-index: 0;
}

/*  */
.t_syk2 {
  width: 100%;
}

.t_syk1nr {
  position: relative;
  top: 0;
}
.t_syk2 {
  position: relative;
  overflow: hidden;
}
.t_syk2.animated img {
  transform: scale(1);
}

.t_zuoce {
  opacity: 0;
}
.t_zuobg {
  opacity: 0;
}
html.on1.off .t_zuoce {
  opacity: 0;
}
html.on1.off .t_zuobg {
  opacity: 0;
}
html.on1 .t_zuoce {
  opacity: 1;
}
html.on1 .t_zuobg {
  opacity: 1;
}

.t_zuoce {
  opacity: 0;
}

.t_zuobg {
  opacity: 0;
}

html.on1.off .t_zuoce {
  opacity: 0;
}

html.on1.off .t_zuobg {
  opacity: 0;
}

html.on1 .t_zuoce {
  opacity: 1;
}

html.on1 .t_zuobg {
  opacity: 1;
}

html.off .t_zuobg {
  transform: translate3d(0px, 0px, 0px) scale(10, 10);
}

.t_zuobg {
  transform-origin: 70% 50%;
}

html.on1 .t_zuoce {
  transition: transform 0.6s cubic-bezier(0, 0, 0.2, 1), opacity 0.6s ease-out;
  transition-delay: 0.8s;
}

html.on1.off .t_zuoce {
  transition: transform 0.4s cubic-bezier(0, 0, 0.2, 1), opacity 0.4s ease-out;
  transition-delay: 0s;
}

html.on1.off .t_zuobg {
  transition: transform 0.8s cubic-bezier(0, 0, 0.2, 1) 0.6s,
    opacity 0.6s ease-out 1s;
  opacity: 0;
  transform: translate3d(0px, 0px, 0px) scale(10, 10);
}

html.off .ys_ban_title {
  transition-delay: 0.8s;
}

.t_zuobg {
  transition: transform 0.8s cubic-bezier(0, 0, 0.2, 1);
}

.ys_ban_li.slick-current .ys_ban_title {
  animation: ysfadeInUp 1s ease both;
  animation-delay: 0.3s;
}

.ys_ban_li.slick-current .ys_ban_imgbox {
  animation: mysacle 4s ease both;
}

@keyframes mysacle {
  0% {
    transform: scale(1.15);
  }
}

/* 1920~1441 pc大屏幕 */
@media screen and (max-width: 1680px) {
  .ys_ban_slick .slick-prev,
  .ys_ban_slick .slick-next {
    width: 58px;
    height: 58px;
  }

  .ys_ban_slick .slick-prev {
    left: calc(8.75vw - 58px);
  }

  .ys_ban_slick .slick-next {
    right: calc(8.75vw - 58px);
  }

  .ys_ban_slick .slick-prev::before,
  .ys_ban_slick .slick-next::before {
    transform: translate(-50%, -50%) scale(1);
  }
}

/* 1440~1200 pc小屏幕 重点*/
@media screen and (max-width: 1440px) {
  .ys_ban_title {
    font-size: 56px;
  }

  .t_shubiao {
    width: 19px;
    height: 32px;
  }

  .t_xiaban {
    width: 1px;
  }

  .t_zuoce .t_fonth1 {
    font-size: 50px;
  }

  .t_zuoce .t_fonth1 {
    margin-bottom: 30px;
  }

  .t_titsizeh3 {
    font-size: 34px;
  }

  .t_zuoce .t_titsizeh3 {
    margin-bottom: 26px;
  }

  .t_duan1 p {
    font-size: 18px;
  }

  .t_zuoce {
    padding-top: 220px;
  }

  .t_zuoce .t_duan1 {
    margin-bottom: 80px;
  }

  .t_xiaping {
    width: 70px;
    height: 70px;
  }
}

@media screen and (max-width: 1200px) {
  .t_syk6ul {
    margin-right: -40px;
  }

  .t_syk6zhen {
    width: calc(100% - 40px);
  }

  .t_syk4ul {
    margin-right: -40px;
  }

  /* sumi */
  .s_cont1130 {
    width: 100%;
    padding-left: 40px;
    padding-right: 40px;
  }

  .s_b1c2nrbox {
    padding: 0 50px;
  }

  .s_b1c2nr .slick-next {
    right: -55px;
  }

  .s_b1c2nr .slick-prev {
    left: -55px;
  }

  .s_c2c1::before,
  .s_c2cont1::before,
  .s_c2cont1::after {
    width: 800px;
    height: 800px;
  }

  .s_c2c1bnr {
    width: 555px !important;
  }

  .s_c2c1top {
    margin-bottom: 45px;
  }

  .s_c2c1b .slick-next {
    right: 3%;
  }

  .s_c2c1b .slick-prev {
    left: 3%;
  }

  .s_d1c1botnrgd {
    width: 1200px;
    padding: 0 15px;
  }

  .s_e3_1c1rlinr {
    padding: 22px 27px 45px 24px;
  }

  .s_e3_1c1ltit h3 {
    font-size: 20px;
  }

  .s_e3_1c1ltit {
    height: 35px;
  }

  .s_e3_1c1r .s_e3_1c1ltit h3 {
    font-size: 18px;
  }

  .s_e3_1c1r .s_e3_1c1ltit {
    height: 54px;
  }

  .s_e3_1c2new .s_e3_1c1ltit h3 {
    font-size: 18px;
  }

  .s_e3_1c2new .s_e3_1c1ltit {
    height: 81px;
  }
  .s_e3_2c1box,
  .s_e4cont,
  .s_e5c1,
  .s_e1c4 {
    width: 100%;
    padding-left: 40px;
    padding-right: 40px;
  }
  .s_e3_2c1 {
    padding: 30px 30px 0 30px;
  }
  .s_e3_2c1r {
    padding-left: 30px;
    padding-right: 20px;
  }
  .s_e3_2c1rli {
    margin-bottom: 10px;
  }
  .s_e3_2c1nr {
    bottom: 25px;
    padding: 0 115px 0 30px;
  }
  .s_e3_2c2newztit h4 {
    font-size: 18px;
  }
  .s_e3_2c2newztit {
    height: 54px;
  }
  .s_e3_2c2newz {
    padding: 38px 20px 54px;
  }
  .s_e3_2c2r .s_e3_2c1nr {
    padding: 0 30px 0 30px;
  }
  .s_e4top {
    padding-right: 100px;
  }
  .s_e4sharebox {
    top: 214px;
    right: 40px;
  }
  .s_e5c1twbg2 {
    right: 38px;
  }
  .s_b1 .s_b1c2nrbox {
    padding: 0px;
  }
  /* helen star */
  .t_syk5wen {
    padding: 96px 40px 50px;
  }

  @keyframes syk3videoh {
    0% {
      width: 94%;
      height: 94%;
    }

    100% {
      width: 100%;
      height: 100%;
    }
  }

  @keyframes syk3video {
    0% {
      width: 100%;
      height: 100%;
    }

    100% {
      width: 94%;
      height: 94%;
    }
  }

  /* helen end */
  .s_ban3wzh {
    padding: 0 40px;
  }
  .s_e1cont1.act .s_e1c1l .s_ban3wz2 .ys_cont1400 {
    width: 100%;
  }
  .t_zuoce .t_duan1 p {
    font-size: 16px;
  }
  .t_syk6le .t_duan3 p {
    font-size: 16px;
  }
  .s_e1c2li0 .s_e1c2libot {
    right: -344px;
  }
  .s_e1c2li2 .s_e1c2libot {
    right: -330px;
  }
  .s_e1c2li6 .s_e1c2libot {
    right: -359px;
  }
  .s_e1c2li7 .s_e1c2libot {
    right: -363px;
  }
  .s_e1c2li8 .s_e1c2libot {
    right: -386px;
  }
  .s_e1c2li9 .s_e1c2libot {
    right: -377px;
  }
  .s_e1c2li3 .s_e1c2libot {
    right: -333px;
  }
  /* .s_e1c2li2 .s_e1c2libot {
        right: -293px;
    }
    .s_e1c2li0 .s_e1c2libot {
        right: -310px;
    }
    .s_e1c2li6 .s_e1c2libot {
        right: -322px;
    }
    .s_e1c2li7 .s_e1c2libot {
        right: -328px;
    }
    .s_e1c2li8 .s_e1c2libot {
        right: -352px;
    }
    .s_e1c2li9 .s_e1c2libot {
        right: -338px;
    }
    .s_e1c2li3 .s_e1c2libot {
        right: -296px;
    } */
  .s_c2c1b .slick-prev {
    left: 0%;
  }
  .s_c2c1b .slick-next {
    right: 0%;
  }
  /* 汽车应用 */
  .only32 .s_c2c1bxz1 .s_c2c1lbdian2 .s_c2c1lbtw {
    top: 110px;
    right: -472px;
  }
  .only33 .s_c2c1bxz3 .s_c2c1lbdian1 .s_c2c1lbtw {
    right: -482px;
  }
  .s_e1c2li4 .s_e1c2libot {
    right: -127px;
  }
  .s_e1c2li3 .s_e1c2libot {
    right: -298px;
  }
  .t_e1c4ul {
    margin: 0 40px;
  }
  .t_e1c4ul .slick-prev {
    left: -70px;
  }
  .t_e1c4ul .slick-next {
    right: -70px;
  }
}

/* 1199~992 平板横屏*/
@media screen and (max-width: 1199px) {
  .ys_banner {
    height: calc(100vh - 65px);
  }
  .ys_ban_imgbox {
    height: calc(100vh - 65px);
  }
  .t_syk1 {
    height: auto;
  }
  .t_zuobg {
    display: none;
  }
  .t_syk1 {
    position: relative;
  }
  .ys_banner {
    height: auto;
  }
  .t_banup {
    position: relative;
  }
  html .ys_ban_title {
    opacity: 1;
  }
  .t_zuoce {
    padding-top: 100px;
    padding-bottom: 100px;
  }
  .ys_ban_title {
    font-size: 46px;
  }
  html.off .t_zuoce {
    transform: translateY(0);
    opacity: 1;
  }
  html.act {
    height: auto; /* overflow-y: scroll; */
  }
  html.act body {
    height: auto; /* overflow: visible; */
  }
  html.on1.off .t_zuoce {
    opacity: 1;
  }
  .t_zuoce {
    opacity: 1;
  }
}

/* 991~768 平板竖屏 重点*/
@media screen and (max-width: 991px) {
  .t_zuoce .t_fonth1 {
    font-size: 36px;
  }
  .t_zuoce {
    padding-top: 80px;
    padding-bottom: 80px;
  }
  .t_titsizeh3 {
    font-size: 24px;
  }
  .t_zuoce .t_fonth1 {
    margin-bottom: 20px;
  }
  .t_zuoce .t_titsizeh3 {
    margin-bottom: 16px;
  }
  .t_zuoce .t_duan1 {
    margin-bottom: 40px;
  }
  .t_zuoce {
    width: 332px;
  }
}

/* <768 移动端 重点*/
@media screen and (max-width: 768px) {
  .ys_ban_pc {
    display: none;
  }

  .ys_ban_video {
    display: none;
  }

  .ys_ban_ph {
    display: block;
  }

  .t_xiaban {
    display: none;
  }

  .ys_ban_imgbox {
    height: auto;
  }

  .ys_ban_imgbox img {
    width: 100%;
    min-height: auto;
    position: relative;
    top: 0;
    left: 0;
    transform: translate(0);
  }

  .ys_ban_title {
    font-size: 30px;
  }

  .ys_ban_slick .slick-prev {
    left: 20px;
  }

  .ys_ban_slick .slick-next {
    right: 20px;
  }

  .ys_ban_slick .slick-prev::before,
  .ys_ban_slick .slick-next::before {
    transform: translate(-50%, -50%) scale(0.68);
  }

  .ys_ban_slick .slick-prev,
  .ys_ban_slick .slick-next {
    width: 40px;
    height: 40px;
  }

  .t_zuoce .t_fonth1 {
    font-size: 26px;
    line-height: 1.5;
  }

  .ys_ban_title {
    line-height: 1.5;
  }

  .t_zuoce {
    width: 100%;
    padding-top: 50px;
    padding-bottom: 0px;
  }

  .t_syk1rgtu {
    width: 100%;
  }

  .t_zuoce .t_fonth1 {
    margin-bottom: 16px;
  }

  .t_titsizeh3 {
    font-size: 22px;
  }

  .t_zuoce .t_duan1 {
    margin-bottom: 30px;
  }
}

@media screen and (max-width: 480px) {
  .ys_ban_title {
    font-size: 24px;
  }

  .ys_ban_slick .slick-prev::before,
  .ys_ban_slick .slick-next::before {
    transform: translate(-50%, -50%) scale(0.6);
  }

  .ys_ban_slick .slick-prev,
  .ys_ban_slick .slick-next {
    width: 35px;
    height: 35px;
  }

  .t_zuoce .t_fonth1 {
    font-size: 22px;
  }

  .t_titsizeh3 {
    font-size: 18px;
  }

  .t_duan1 p {
    font-size: 16px;
  }

  .t_zuoce {
    padding-top: 40px;
  }

  .t_zuoce .t_fonth1 {
    margin-bottom: 10px;
  }

  .t_zuoce .t_titsizeh3 {
    margin-bottom: 10px;
  }

  .t_zuoce .t_duan1 {
    margin-bottom: 20px;
  }

  .t_xiaping {
    width: 36px;
    height: 36px;
  }

  .t_xiaquan img {
    width: 9px;
  }

  @keyframes jianmove {
    0% {
      top: 50%;
    }

    25% {
      top: calc(50% + 6px);
    }

    50% {
      top: 50%;
    }

    75% {
      top: calc(50% - 6px);
    }

    100% {
      top: 50%;
    }
  }

  .t_zuoce .t_duan1 {
    margin-bottom: 16px;
  }

  .t_syk1rgtu {
    padding-top: 18px;
    margin-bottom: 32px;
  }

  .ys_ban_slick .slick-prev {
    left: 12px;
  }

  .ys_ban_slick .slick-next {
    right: 12px;
  }
}

.mobanpic {
  display: none;
}

@media only screen and (max-width: 768px) {
  .t_banup {
    display: none;
  }
  .mobanpic {
    display: block;
  }
  .mobanpic img {
    max-width: 100%;
  }

  .t_xiaping {
    display: none;
  }
}