.banner {
  width: 100%;
  height: 200vh;
  position: relative;
}
.banner_main {
  position: sticky;
  top: 0;
  left: 0;
  width: 100%;
  height: 100vh;
}
.banner_v_zoom {
  width: 100%;
  height: 100vh;
  position: relative;
  overflow: hidden;
  transform: scale(1.2);
  transition: all 2s;
}
.banner_main._into .banner_v_zoom {
  transform: scale(1);
}
.banner_v_zoom video {
  width: 100%;
  height: 100vh;
  object-fit: cover;
  transition: all 0.1s;
}
.banner_v_zoom img {
  width: 100%;
  transition: all 0.1s;
}
.banner_text {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  width: calc(100% - 2.4rem);
  left: 1.2rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
  color: #fff;
}
.banner_t_left {
  width: 40%;
}
.btl_t1 {
  font-size: 0.74rem;
  line-height: 0.74rem;
  font-weight: bold;
  transform: translateX(-3rem);
  opacity: 0;
  transition: all 1s;
}
.btl_t2 {
  font-size: 0.27rem;
  margin-top: 0.3rem;
  transform: translateX(-3rem);
  opacity: 0;
  transition: all 1s;
}
.banner_t_right {
  width: 42%;
  font-size: 0.24rem;
  font-weight: normal;
  transform: translateX(3rem);
  opacity: 0;
  transition: all 1s;
}
.banner_main._into .btl_t1,
.banner_main._into .banner_t_right {
  transform: translateX(0rem);
  opacity: 1;
}
.banner_main._into .btl_t2 {
  transition-delay: 0.1s;
  transform: translateX(0rem);
  opacity: 1;
}

@media (max-width: 768px) {
  .banner_main._into .btl_t2 {
    transition-delay: 0.2s;
  }
  .banner_main._into .banner_t_right {
    transition-delay: 0.4s;
    transform: translateX(0rem);
    opacity: 1;
  }
}

.key_awards {
  background-color: rgb(212, 207, 201);
  position: relative;
  padding: 1.5rem 0 1.5rem 1.5rem;
}
.kay_title_btn {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-right: 1.5rem;
  transform: translateY(1rem);
  opacity: 0;
  transition: all 1s;
}
.kay_title_btn._into {
  transform: translateY(0rem);
  opacity: 1;
}
.kay_title {
  font-size: 0.4rem;
  color: rgb(75, 66, 61);
  font-weight: bold;
}
.kay_btn {
  display: flex;
  align-items: center;
}
.kb_box {
  width: 0.4rem;
  height: 0.4rem;
  display: flex;
  align-items: center;
  border: 1px solid rgb(127, 97, 80);
  justify-content: center;
  border-radius: 5px;
  cursor: pointer;
  transition: all 0.3s;
  position: relative;
}
.kb_b2 {
  margin-left: 0.12rem;
}
.kb_box img {
  width: 0.1rem;
}
.kb_box img:nth-of-type(2) {
  position: absolute;
  left: 50%;
  top: 50%;
  transform: translate(-50%, -50%);
  z-index: 1;
  opacity: 0;
  transition: all 0.3s;
}
@media (min-width: 768px) {
  .kb_box:hover {
    opacity: 1;
    background-color: rgb(127, 97, 80);
  }
  .kb_box:hover img:nth-of-type(2) {
    opacity: 1;
  }
  .kb_box:hover img:nth-of-type(1) {
    opacity: 0;
  }
}
.key_sw {
  margin-top: 0.6rem;
  transform: translateY(1rem);
  opacity: 0;
  transition: all 1s;
  width: 100% !important;
}
.key_sw .swiper-wrapper {
  width: 100%;
  transform: translate3d(0px, 0px, 0px);
}
.key_sw._into {
  transform: translateY(0rem);
  opacity: 1;
}
.key_sw .swiper-slide {
  position: relative;
}
.key_sd_u1 {
  border-radius: 30px;
  position: relative;
  z-index: 1;
}
.key_sd_u1 div {
  width: 100%;
  height: 100%;
  position: absolute;
  width: calc(100% - 1.2rem);
  height: calc(100% - 1rem);
  top: 0.7rem;
  left: 0.7rem;
}
.key_sd_u1 img {
  width: 100%;
}
.key_sd_u1 .ksu_bg {
  width: 100%;
  position: relative;
}
.key_sd_u2 {
  font-size: 0.16rem;
  color: #fff;
  width: 0.7rem;
  height: 0.7rem;
  background-color: rgb(147, 131, 131);
  border-radius: 5px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-left: 30px;
  margin-top: -0.32rem;
  z-index: 2;
  position: relative;
  display: none;
}
.key_sd_u3 {
  font-size: 0.2rem;
  margin-top: 0.15rem;
  padding: 0 0.3rem 0 0.15rem;
  color: rgb(87, 72, 63);
  display: none;
}

.learn_more {
  background-color: rgb(212, 207, 201);
  padding: 1rem;
}
.learn_more_title {
  color: rgb(75, 66, 61);
  font-size: 0.26rem;
  font-weight: bold;
  transform: translateY(1rem);
  opacity: 0;
  transition: all 1s;
}
.learn_more_title._into {
  transform: translateY(0rem);
  opacity: 1;
}
.lm_list {
  margin-top: 0.4rem;
  display: flex;
  justify-content: space-between;
  transform: translateY(1rem);
  opacity: 0;
  transition: all 1s;
}
.lm_list._into {
  transform: translateY(0rem);
  opacity: 1;
}
.lm_min {
  width: 49.5%;
  background-color: rgb(207, 200, 194);
  padding: 0.5rem 0.8rem;
  color: rgb(75, 66, 61);
  cursor: pointer;
  transition: all 0.5s;
  border-radius: 30px;
}
.lm_t1 {
  font-size: 0.37rem;
  font-weight: bold;
}
.lm_t2 {
  margin-top: 0.15rem;
  font-size: 0.22rem;
  line-height: 0.28rem;
  font-weight: 200;
}
.lm_b1 {
  color: #fff;
  width: 3rem;
  height: 0.6rem;
  line-height: 0.6rem;
  text-align: center;
  background-color: rgb(175, 152, 134);
  margin-top: 1.6rem;
  transition: all 0.3s;
  font-size: 0.16rem;
  border-radius: 0.05rem;
}
@media (min-width: 768px) {
  .lm_min:hover {
    background-color: #bfb5ab;
    transform: translate(-2px, -2px);
    box-shadow: 0 0 0.5rem 0 rgb(0 0 0 / 5%);
  }
  .lm_min:hover .lm_b1 {
    background-color: #9d8470;
  }
}

/* 荣耀列表 */
.honors_list_box {
  position: relative;
  height: 150vh;
}
.honors_list {
  position: sticky;
  top: 0;
  width: 100%;
  height: 100vh;
  overflow: hidden;
}
.l_top {
  position: relative;
  height: 0.8rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
  background-color: rgb(217, 214, 209);
  padding: 0 1rem;
}
.lt_title {
  font-size: 0.2rem;
  font-weight: bold;
}
.lt_tab {
  display: flex;
}
.lt_tab div {
  margin-left: 0.3rem;
  font-size: 0.16rem;
  height: 0.8rem;
  line-height: 0.8rem;
  cursor: pointer;
  position: relative;
  transition: all 0.3s;
}
.lt_tab div.active {
  font-weight: bold;
}
.lt_tab div::after {
  content: "";
  width: 100%;
  height: 2px;
  background-color: rgb(127, 97, 80);
  bottom: 0;
  position: absolute;
  left: 0;
  opacity: 0;
}
.lt_tab div.active::after {
  opacity: 1;
}
.l_main {
  display: flex;
}
.lm_left {
  width: 22%;
  position: relative;
}
.lm_left_bk {
  width: 100%;
  height: calc(100%);
}
.lml_title {
  color: rgb(186, 179, 173);
  line-height: 1.1;
  position: absolute;
  top: 75px;
  left: 25px; 
}
.lml_year {
  position: absolute;
  top: 150px;
  right: 20px;
  height: 50%;
  overflow: hidden;
}
.unselectable {
  -webkit-user-select: none; /* Safari */
  -moz-user-select: none; /* Firefox */
  -ms-user-select: none; /* IE/Edge */
  user-select: none; /* Standard syntax */
}
.year_sw {
  height: 60px;
  margin-top: 60px;
  overflow: initial !important;
}
.year_sw .swiper-wrapper {
  height: 100%;
}
.year_sw .swiper-slide {
  font-size: 15px;
  color: rgba(112, 99, 93, 0.5);
  cursor: pointer;
  text-align: right;
  font-size: 25px; 
}
.year_sw .swiper-slide-active {
  color: rgba(112, 99, 93, 1);
  font-size: 25px; 
}

.lm_right {
  width: 78%;
  height: calc(100vh - 80px);
  overflow-y: hidden;
}
.lm_right::-webkit-scrollbar {
  display: none;
}
.lmr_min img {
  width: 100%;
}
.lmr_min {
  position: relative;
}
.lmrm_text {
  position: absolute;
  top: 52%;
  transform: translateY(-50%);
  left: 100px;
  color: #fff;
  width: 300px;
}
.lmrm_t1 {
  font-size: 60px;
  font-weight: bold;
}
.lmrm_t2 {
  font-size: 12px;
  margin-top: 60px;
}
.lmrm_t3 {
  font-size: 12px;
  margin-top: 40px;
  opacity: 0.2;
  display: none;
}

.honors_list_box_mb {
  display: none;
}

/* mb */
@media (max-width: 768px) {
  .banner_text {
    width: calc(100% - 1rem);
    left: 0.5rem;
    flex-direction: column;
    align-items: flex-start;
    bottom: 1.8rem;
    top: auto;
    transform: translateY(0%);
  }
  .banner_t_left,
  .banner_t_right {
    width: 100%;
  }
  .btl_t1 {
    font-size: 0.74rem;
    line-height: 0.74rem;
  }
  .btl_t2 {
    margin-top: 0.15rem;
    font-size: 0.35rem;
  }
  .banner_t_right {
    margin-top: 1.8rem;
    font-size: 0.28rem;
  }

  .key_awards {
    padding: 1rem 0.5rem;
  }
  .kay_btn {
    display: none;
  }
  .key_sd_u2 {
    font-size: 0.24rem;
    width: 1rem;
    height: 1rem;
    margin-top: -0.6rem;
  }
  .key_sd_u3 {
    font-size: 0.24rem;
    margin-top: 0.2rem;
    padding: 0;
    color: rgb(87, 72, 63);
  }
  .key_sw_page {
    margin-top: 0.4rem;
  }
  .key_sw .swiper-pagination-bullet {
    width: 0.5rem;
    height: 2px;
    background-color: rgb(147, 131, 131);
    opacity: 0.5;
    border-radius: 10px !important;
  }
  .key_sw .swiper-pagination-bullet-active {
    opacity: 1;
  }

  .learn_more {
    padding: 1rem 0.5rem;
  }
  .lm_list {
    flex-direction: column;
  }
  .lm_min {
    width: 100%;
    padding: 0.5rem;
    border-radius: 20px;
  }
  .lm_min:nth-of-type(2) {
    margin-top: 0.3rem;
  }
  .learn_more_title {
    font-size: 0.4rem;
  }
  .lm_t1 {
    font-size: 0.41rem;
  }
  .lm_t2 {
    font-size: 0.26rem;
    line-height: 0.34rem;
    font-weight: normal;
  }
  .lm_b1 {
    margin-top: 1.2rem;
    border-radius: 0.05rem;
  }

  /* 历程 */
  .honors_list_box {
    display: none;
  }
  .honors_list_box_mb {
    position: relative;
    display: block;
  }
  #top,
  #second_top {
    display: block;
    z-index: 50;
  }
  #top {
    position: sticky;
    top: 0;
  }
  #second_top {
    position: sticky;
    top: 1.2rem;
  }
  .nav {
    position: relative;
    width: 100%;
  }
  #top .nav {
    height: 1.2rem;
    background-color: rgb(217, 214, 209);
  }
  #second_top .nav {
    height: 1rem;
    background-color: rgb(202, 197, 193);
  }
  #top .nav-a {
    line-height: 1.2rem;
  }
  #second_top .nav-a {
    line-height: 1rem;
  }
  .nav-list {
    overflow: hidden;
    overflow-x: scroll;
    white-space: nowrap;
    display: flex;
    height: 100%;
    align-items: center;
  }
  .nav-a {
    color: #505050;
    text-decoration: none;
    margin-left: 0.5rem;
    display: inline-block;
    width: auto !important;
    height: 100%;
    overflow: hidden;
    position: relative;
    text-align: center;
    cursor: pointer;
    color: #000;
    position: relative;
    font-weight: bold;
    opacity: 0.5;
  }
  .nav-a:nth-last-of-type(1) {
    margin-right: 0.5rem;
  }
  #top .nav-a {
    font-size: 0.22rem;
  }
  #second_top .nav-a {
    font-size: 0.25rem;
  }
  .nav-a.selected {
    opacity: 1;
  }
  #top .nav-a::after {
    content: "";
    width: 100%;
    height: 2px;
    background-color: rgb(127, 97, 80);
    bottom: 0;
    position: absolute;
    left: 0;
    opacity: 0;
  }
  #top .nav-a.selected::after {
    opacity: 1;
  }
  #top ::-webkit-scrollbar,
  #second_top ::-webkit-scrollbar {
    width: 0px;
    height: 0px;
    display: none;
  }
  .no_more {
    height: 2rem;
    display: none;
  }

  .hlbml_min {
    position: relative;
  }
  .hlbml_min img {
    width: 100%;
  }
  .hlbml_text {
    position: absolute;
    top: 0.5rem;
    left: 0.5rem;
    color: #fff;
    width: 60%;
  }
  .hlbml_t1 {
    font-size: 0.8rem;
    font-weight: bold;
  }
  .hlbml_t2 {
    font-size: 0.2rem;
    margin-top: 0.2rem;
    line-height: 0.3rem;
  }
  .hlbml_t3 {
    font-size: 0.5rem;
    opacity: 0.2;
    margin-top: 0.2rem;
  }
}