.all {
  background-color: #0b0b0b;
  color: #333;
}

.header {
  z-index: 2;
  position: relative;
}
.header .flx {
  display: -webkit-box;
  display: -ms-flexbox;
  display: flex;
  -webkit-box-align: center;
      -ms-flex-align: center;
          align-items: center;
  height: 98px;
}
.header img {
  height: 60px;
}
.header .logo3 {
  display: -webkit-box;
  display: -ms-flexbox;
  display: flex;
  -webkit-box-align: center;
      -ms-flex-align: center;
          align-items: center;
  margin-left: 20px;
}

.banner {
  margin-top: -98px;
  position: relative;
}
.banner > img {
  width: 100%;
  display: none;
}
.banner video {
  width: 100%;
  display: block;
}
.banner .banner_phone {
  display: none;
}
.banner .txt {
  position: absolute;
  top: 50%;
  left: 50%;
  -webkit-transform: translate(-50%, -50%);
      -ms-transform: translate(-50%, -50%);
          transform: translate(-50%, -50%);
  color: #fff;
}
.banner .tit {
  margin-top: 56px;
  line-height: 1;
}
.banner .banner_address {
  font-weight: 200;
  line-height: 1;
  margin-top: 26px;
  display: -webkit-box;
  display: -ms-flexbox;
  display: flex;
  -webkit-box-align: center;
      -ms-flex-align: center;
          align-items: center;
}
.banner .banner_address img {
  margin-right: 16px;
}
.banner a {
  margin-top: 86px;
  color: #fff;
  border-radius: 80px;
  overflow: hidden;
  width: 288px;
  height: 74px;
  display: -webkit-box;
  display: -ms-flexbox;
  display: flex;
  -webkit-box-align: center;
      -ms-flex-align: center;
          align-items: center;
  -webkit-box-pack: center;
      -ms-flex-pack: center;
          justify-content: center;
  position: relative;
}
.banner a span {
  position: relative;
  z-index: 2;
}
.banner a::after {
  -webkit-transition: all 0.5s;
  transition: all 0.5s;
  content: "";
  position: absolute;
  width: 100%;
  height: 100%;
  left: 0;
  background-image: linear-gradient(140deg, #3961d2 60%, #a3a8be 100%);
}
.banner a:hover::after {
  width: 120%;
}

@font-face {
  font-family: "M";
  src: url("../font/Montserrat-Medium.ttf");
}
.all_t {
  padding-top: 5.4%;
  padding-bottom: 280px;
  background-size: cover;
  background-position: bottom center;
  background-image: url(../img3/h3c3_bg1.jpg);
  border-bottom-left-radius: 60px;
  border-bottom-right-radius: 60px;
  overflow: hidden;
  color: #fff;
}

.invitation .sw_title {
  text-align: center;
  display: -webkit-box;
  display: -ms-flexbox;
  display: flex;
  -webkit-box-orient: vertical;
  -webkit-box-direction: normal;
      -ms-flex-direction: column;
          flex-direction: column;
  -webkit-box-align: center;
      -ms-flex-align: center;
          align-items: center;
  -webkit-box-pack: center;
      -ms-flex-pack: center;
          justify-content: center;
}
.invitation .sw_title img {
  margin-top: 20px;
  width: auto;
}
.invitation .title {
  line-height: 1;
  text-align: center;
  display: -webkit-box;
  display: -ms-flexbox;
  display: flex;
  -webkit-box-orient: vertical;
  -webkit-box-direction: normal;
      -ms-flex-direction: column;
          flex-direction: column;
  -webkit-box-align: center;
      -ms-flex-align: center;
          align-items: center;
  -webkit-box-pack: center;
      -ms-flex-pack: center;
          justify-content: center;
}
.invitation .title img {
  margin-top: 20px;
  width: auto;
}
.invitation .box1 {
  margin-top: 60px;
  border-radius: 10px;
  overflow: hidden;
  position: relative;
  background-size: cover;
  background-image: url(../img/box1_bg.jpg);
  padding: 72px 60px 25px;
}
.invitation .box1 > div {
  position: relative;
  z-index: 2;
}
.invitation .box1_tit {
  font-weight: bold;
  display: -webkit-box;
  display: -ms-flexbox;
  display: flex;
  line-height: 1;
}
.invitation .box1_tit div::after {
  content: "";
  display: block;
  height: 4px;
  width: 100%;
  background: #fff;
  margin-top: 16px;
}
.invitation .box1_des {
  line-height: 1.625;
  margin-top: 36px;
}
.invitation .info {
  margin-top: 82px;
  display: -webkit-box;
  display: -ms-flexbox;
  display: flex;
  -webkit-box-align: end;
      -ms-flex-align: end;
          align-items: flex-end;
  -webkit-box-pack: end;
      -ms-flex-pack: end;
          justify-content: flex-end;
}
.invitation .man_intro {
  padding-top: 14px;
}
.invitation .phone_jianzi {
  display: none;
}
.invitation .tips {
  line-height: 1;
}
.invitation .name {
  line-height: 1;
  margin-bottom: 8px;
}
.invitation .summary {
  line-height: 1.4;
}
.invitation .info_path {
  position: absolute !important;
  bottom: 0;
  left: 0;
  width: 100%;
  height: 130px;
  background-image: -webkit-gradient(linear, left top, left bottom, from(#868ccb), to(#0a2a85));
  background-image: linear-gradient(#868ccb, #0a2a85);
  clip-path: polygon("L0,38 L60%,38 L62%,0 L100%,0 L100%,100% L0,100% Z");
}

@-webkit-keyframes previews_ani {
  from {
    opacity: 0;
  }
  to {
    opacity: 1;
  }
}

@keyframes previews_ani {
  from {
    opacity: 0;
  }
  to {
    opacity: 1;
  }
}
.previews {
  margin-top: 260px;
}
.previews .sw_title {
  text-align: center;
  display: -webkit-box;
  display: -ms-flexbox;
  display: flex;
  -webkit-box-orient: vertical;
  -webkit-box-direction: normal;
      -ms-flex-direction: column;
          flex-direction: column;
  -webkit-box-align: center;
      -ms-flex-align: center;
          align-items: center;
  -webkit-box-pack: center;
      -ms-flex-pack: center;
          justify-content: center;
}
.previews .sw_title img {
  margin-top: 20px;
  width: auto;
}
.previews .list {
  margin-top: 145px;
}
.previews .list > div {
  position: relative;
  display: -webkit-box;
  display: -ms-flexbox;
  display: flex;
  -webkit-box-pack: center;
      -ms-flex-pack: center;
          justify-content: center;
}
.previews .list > div:nth-child(n+2) {
  margin-top: 70px;
}
.previews .list > div:nth-child(even) .txt {
  right: 0;
  left: inherit;
}
.previews .list > div:last-child .txt {
  -webkit-transform: translateY(-40%);
      -ms-transform: translateY(-40%);
          transform: translateY(-40%);
}
.previews .previews_tit {
  line-height: 1;
  text-align: center;
  -webkit-transition: all 0.5s;
  transition: all 0.5s;
}
.previews .txt {
  position: absolute;
  z-index: 2;
  left: 0;
  top: 0;
  -webkit-transform: translateY(-30%);
      -ms-transform: translateY(-30%);
          transform: translateY(-30%);
  display: none;
}
.previews .act .previews_tit {
  color: #d1fc51;
  -webkit-transform: scale(1.1);
      -ms-transform: scale(1.1);
          transform: scale(1.1);
}
.previews .act .txt {
  display: block;
  -webkit-animation: previews_ani 0.5s linear forwards;
          animation: previews_ani 0.5s linear forwards;
}
.previews .des {
  position: absolute;
  width: 100%;
  bottom: 0;
  left: 0;
  padding: 0 30px 70px;
}

.all_c {
  padding: 265px 0 300px;
  position: relative;
}
.all_c .all_c_bg {
  position: absolute;
  right: 0;
  bottom: 0;
}

.session {
  color: #fff;
  position: relative;
  z-index: 2;
}
.session .session_bg {
  position: absolute;
  left: 0;
  bottom: -50%;
}
.session .wrap {
  position: relative;
  z-index: 2;
}
.session .flx {
  display: -webkit-box;
  display: -ms-flexbox;
  display: flex;
  -webkit-box-pack: justify;
      -ms-flex-pack: justify;
          justify-content: space-between;
}
.session .r {
  width: 676px;
}
.session .list > div {
  background-size: cover;
  background-image: url(../img3/session_bg.png);
  padding: 10px;
  border-radius: 10px;
  overflow: hidden;
}
.session .list > div:nth-child(n+2) {
  margin-top: 20px;
}
.session .list > div div {
  padding: 0 40px;
  border-radius: 10px;
  height: 120px;
  display: -webkit-box;
  display: -ms-flexbox;
  display: flex;
  -webkit-box-align: center;
      -ms-flex-align: center;
          align-items: center;
  -webkit-transition: all 0.5s;
  transition: all 0.5s;
}
.session .list > div div:hover {
  color: #000;
  background: #d1fc51;
}
.session .session_sub {
  margin-top: 10px;
}
.session .sw_title img {
  margin-top: 20px;
}
.session .r_tips {
  text-align: right;
  color: #b8c8ff;
  margin-top: 15px;
}

.future {
  position: relative;
  z-index: 2;
  margin-top: 440px;
}
.future .title {
  text-align: center;
  display: -webkit-box;
  display: -ms-flexbox;
  display: flex;
  -webkit-box-orient: vertical;
  -webkit-box-direction: normal;
      -ms-flex-direction: column;
          flex-direction: column;
  -webkit-box-align: center;
      -ms-flex-align: center;
          align-items: center;
  color: #fff;
}
.future .title img {
  margin-top: 20px;
}
.future .box {
  display: -webkit-box;
  display: -ms-flexbox;
  display: flex;
  -webkit-box-pack: center;
      -ms-flex-pack: center;
          justify-content: center;
  margin-top: 64px;
}
.future .position {
  position: relative;
}
.future .future_logo {
  position: absolute;
  left: 57%;
  top: 63%;
}
.future .future_logo::before, .future .future_logo::after {
  position: absolute;
  content: "";
  display: block;
  width: 100%;
  height: 100%;
  border-radius: 50%;
  top: 50%;
  left: 50%;
  border: 1px solid #fff;
}
.future .future_logo::before {
  -webkit-animation: scale 2s infinite;
          animation: scale 2s infinite;
}
.future .future_logo::after {
  -webkit-animation: scale2 2s infinite;
          animation: scale2 2s infinite;
}
.future .tips {
  text-align: center;
  color: #b8c8ff;
  margin-top: 25px;
}

@-webkit-keyframes scale {
  0% {
    -webkit-transform: translate(-50%, -50%) scale(1);
            transform: translate(-50%, -50%) scale(1);
    opacity: 0.9;
  }
  100% {
    -webkit-transform: translate(-50%, -50%) scale(2);
            transform: translate(-50%, -50%) scale(2);
    opacity: 0;
  }
}

@keyframes scale {
  0% {
    -webkit-transform: translate(-50%, -50%) scale(1);
            transform: translate(-50%, -50%) scale(1);
    opacity: 0.9;
  }
  100% {
    -webkit-transform: translate(-50%, -50%) scale(2);
            transform: translate(-50%, -50%) scale(2);
    opacity: 0;
  }
}
@-webkit-keyframes scale2 {
  0% {
    -webkit-transform: translate(-50%, -50%) scale(1);
            transform: translate(-50%, -50%) scale(1);
    opacity: 0.9;
  }
  100% {
    -webkit-transform: translate(-50%, -50%) scale(3);
            transform: translate(-50%, -50%) scale(3);
    opacity: 0;
  }
}
@keyframes scale2 {
  0% {
    -webkit-transform: translate(-50%, -50%) scale(1);
            transform: translate(-50%, -50%) scale(1);
    opacity: 0.9;
  }
  100% {
    -webkit-transform: translate(-50%, -50%) scale(3);
            transform: translate(-50%, -50%) scale(3);
    opacity: 0;
  }
}
.black_bg {
  position: relative;
  z-index: 2;
  background-size: cover;
  background-image: url(../img3/black_bg.jpg);
  background-position: top;
  padding-top: 160px;
  border-top-left-radius: 60px;
  border-top-right-radius: 60px;
  overflow: hidden;
  margin-top: -100px;
}

.sw {
  position: relative;
  z-index: 2;
  color: #fff;
}
.sw a {
  color: #fff;
}
.sw .sw_title {
  text-align: center;
  display: -webkit-box;
  display: -ms-flexbox;
  display: flex;
  -webkit-box-orient: vertical;
  -webkit-box-direction: normal;
      -ms-flex-direction: column;
          flex-direction: column;
  -webkit-box-align: center;
      -ms-flex-align: center;
          align-items: center;
  -webkit-box-pack: center;
      -ms-flex-pack: center;
          justify-content: center;
}
.sw .sw_title img {
  margin-top: 20px;
  width: auto;
}
.sw .new_img {
  border-radius: 10px;
  width: 100%;
  position: relative;
  height: 0;
  padding-bottom: 56%;
  overflow: hidden;
  display: block;
  -webkit-transition: 0.5s;
  transition: 0.5s;
}
.sw .new_img img {
  position: absolute;
  height: 100%;
  width: 100%;
  top: 0;
  bottom: 0;
  left: 0;
  right: 0;
  margin: auto;
  -webkit-transition: all 0.5s;
  transition: all 0.5s;
  -o-object-fit: cover;
     object-fit: cover;
}
.sw .new_img:hover img {
  -webkit-transform: scale(1.05);
      -ms-transform: scale(1.05);
          transform: scale(1.05);
}
.sw .sw_box {
  margin-left: calc((100% - 1440px) / 2);
  margin-top: 80px;
}
.sw .swiper-wrapper {
  -webkit-box-align: inherit;
      -ms-flex-align: inherit;
          align-items: inherit;
}
.sw .swiper-slide {
  border-radius: 10px;
  border: 1px solid #4a4f70;
}
.sw .swiper-slide > div {
  position: relative;
  z-index: 2;
}
.sw .swiper-slide:hover img {
  -webkit-transform: scale(1.05);
      -ms-transform: scale(1.05);
          transform: scale(1.05);
}
.sw .swiper-slide:nth-child(2) .download_box {
  background-image: url(../img2/text_bg2.png);
}
.sw .image {
  padding: 10px;
  background-size: cover;
  background-image: url(../img/image_bg.png);
}
.sw .img {
  position: relative;
  height: 0;
  padding-bottom: 61%;
  overflow: hidden;
  display: block;
  -webkit-transition: 0.5s;
  transition: 0.5s;
  border-radius: 10px;
}
.sw .img img {
  position: absolute;
  height: 100%;
  width: 100%;
  top: 0;
  bottom: 0;
  left: 0;
  right: 0;
  margin: auto;
  -webkit-transition: all 0.5s;
  transition: all 0.5s;
  -o-object-fit: cover;
     object-fit: cover;
}
.sw .sw_tit {
  padding: 20px;
}
.sw .text {
  background-size: cover;
  background-image: url(../img/text_bg.png);
  display: -webkit-box;
  display: -ms-flexbox;
  display: flex;
  -webkit-box-orient: vertical;
  -webkit-box-direction: normal;
      -ms-flex-direction: column;
          flex-direction: column;
  -webkit-box-pack: justify;
      -ms-flex-pack: justify;
          justify-content: space-between;
  padding: 35px;
  -webkit-box-align: end;
      -ms-flex-align: end;
          align-items: flex-end;
  height: 350px;
}
.sw .text svg {
  margin-right: 36px;
  -webkit-transition: all 0.5s;
  transition: all 0.5s;
}
.sw .text:hover svg {
  -webkit-transform: translateX(10px);
      -ms-transform: translateX(10px);
          transform: translateX(10px);
}
.sw .sub {
  line-height: 1;
}
.sw .text_tit {
  margin-top: 25px;
}
.sw .sw_line {
  height: 1px;
  background: #4a4f70;
  margin-top: 82px;
}
.sw .swiper-scrollbar-drag {
  background: #97a8db;
  height: 3px;
  cursor: -webkit-grab;
  cursor: grab;
}
.sw .download_time {
  color: #cbf551;
  line-height: 1;
  margin-bottom: 10px;
}
.sw .download {
  padding: 0px !important;
}
.sw .download_box {
  width: 100%;
  height: 100%;
  padding: 10px;
  border-radius: 10px;
  display: -webkit-box;
  display: -ms-flexbox;
  display: flex;
  -webkit-box-orient: vertical;
  -webkit-box-direction: normal;
      -ms-flex-direction: column;
          flex-direction: column;
  -webkit-box-pack: end;
      -ms-flex-pack: end;
          justify-content: flex-end;
  background-size: 100% 100%;
  background-image: url(../img/down_bg.jpg);
  background-position: center;
  -webkit-transition: all 0.5s;
  transition: all 0.5s;
}
.sw .download_box:hover {
  background-size: 105% 105%;
}
.sw .download_flx {
  display: -webkit-box;
  display: -ms-flexbox;
  display: flex;
  -webkit-box-align: center;
      -ms-flex-align: center;
          align-items: center;
  -webkit-box-pack: justify;
      -ms-flex-pack: justify;
          justify-content: space-between;
}
.sw .download_flx div {
  overflow: hidden;
  text-overflow: ellipsis;
  display: -webkit-box;
  -webkit-line-clamp: 1;
  -webkit-box-orient: vertical;
}
.sw .download_flx svg {
  margin-right: 0 !important;
  -webkit-transform: inherit !important;
      -ms-transform: inherit !important;
          transform: inherit !important;
}
.sw .img_txt {
  padding: 0 !important;
  border: none;
  background: none;
  display: block;
}
.sw .new_text {
  margin-top: 30px;
}
.sw .new_text_tit {
  overflow: hidden;
  text-overflow: ellipsis;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
}
.sw .sw_top {
  width: 100%;
}

@-webkit-keyframes follow_yuan {
  0% {
    -webkit-transform: rotate(0deg);
            transform: rotate(0deg);
  }
  100% {
    -webkit-transform: rotate(360deg);
            transform: rotate(360deg);
  }
}

@keyframes follow_yuan {
  0% {
    -webkit-transform: rotate(0deg);
            transform: rotate(0deg);
  }
  100% {
    -webkit-transform: rotate(360deg);
            transform: rotate(360deg);
  }
}
.follow {
  position: relative;
  color: #fff;
  padding: 340px 0 150px;
}
.follow .box_yuan {
  -webkit-animation: follow_yuan 10s linear infinite;
          animation: follow_yuan 10s linear infinite;
}
.follow .follow_bg {
  position: absolute;
  width: 100%;
  top: 0;
  margin-top: 6.25%;
}
.follow .wrap {
  position: relative;
  z-index: 2;
  overflow: initial;
}
.follow .top {
  display: -webkit-box;
  display: -ms-flexbox;
  display: flex;
  -webkit-box-align: center;
      -ms-flex-align: center;
          align-items: center;
  -webkit-box-pack: center;
      -ms-flex-pack: center;
          justify-content: center;
}
.follow .title {
  margin-right: 50px;
  text-align: center;
  display: -webkit-box;
  display: -ms-flexbox;
  display: flex;
  -webkit-box-orient: vertical;
  -webkit-box-direction: normal;
      -ms-flex-direction: column;
          flex-direction: column;
  -webkit-box-align: center;
      -ms-flex-align: center;
          align-items: center;
  -webkit-box-pack: center;
      -ms-flex-pack: center;
          justify-content: center;
}
.follow .title img {
  margin-top: 20px;
  width: auto;
}
.follow .share {
  display: -webkit-box;
  display: -ms-flexbox;
  display: flex;
}
.follow .share a:not(:first-child) {
  margin-left: 20px;
}
.follow .flx {
  display: -webkit-box;
  display: -ms-flexbox;
  display: flex;
  -webkit-box-pack: center;
      -ms-flex-pack: center;
          justify-content: center;
  margin-bottom: 190px;
}
.follow .box {
  position: relative;
}
.follow .box a {
  color: rgba(255, 255, 255, 0.4);
  position: absolute;
  z-index: 2;
  -webkit-transition: all 0.5s;
  transition: all 0.5s;
  white-space: nowrap;
}
.follow .box a:hover {
  color: #fff;
  text-decoration: underline;
}
.follow .box a:nth-child(1) {
  top: 22%;
  left: -38%;
}
.follow .box a:nth-child(2) {
  top: 18%;
  left: 105%;
}
.follow .box a:nth-child(3) {
  top: 70%;
  left: -42%;
}
.follow .box a:nth-child(4) {
  top: 74%;
  left: 85%;
}
.follow .box a::before {
  position: absolute;
  top: 0;
  left: -8px;
  content: "";
  display: block;
  width: 14px;
  height: 14px;
  border-top: 1px solid #fff;
  border-left: 1px solid #fff;
}
.follow .box a::after {
  position: absolute;
  bottom: 0;
  right: -8px;
  content: "";
  display: block;
  width: 14px;
  height: 14px;
  border-bottom: 1px solid #fff;
  border-right: 1px solid #fff;
}
.follow .bg1 {
  position: absolute;
  left: -48%;
  top: 40%;
}
.follow .bg2 {
  position: absolute;
  top: 70%;
  -webkit-transform: translateX(-50%);
      -ms-transform: translateX(-50%);
          transform: translateX(-50%);
  left: 50%;
}
.follow .bg3 {
  position: absolute;
  top: 52%;
  left: 128%;
}
.follow .box_txt {
  position: absolute;
  text-align: center;
  top: 50%;
  left: 50%;
  -webkit-transform: translate(-50%, -50%);
      -ms-transform: translate(-50%, -50%);
          transform: translate(-50%, -50%);
  width: -webkit-max-content;
  width: -moz-max-content;
  width: max-content;
  color: #b8c8ff;
}

.contact {
  padding-bottom: 16px;
}
.contact .des {
  text-align: center;
  color: #b8c8ff;
  line-height: 1.25;
  font-weight: 200;
  margin-bottom: 47px;
}
.contact .more_fa {
  display: -webkit-box;
  display: -ms-flexbox;
  display: flex;
  -webkit-box-align: center;
      -ms-flex-align: center;
          align-items: center;
  -webkit-box-pack: center;
      -ms-flex-pack: center;
          justify-content: center;
}
.contact .more {
  width: 150px;
  height: 40px;
  line-height: 1;
  display: -webkit-box;
  display: -ms-flexbox;
  display: flex;
  -webkit-box-align: center;
      -ms-flex-align: center;
          align-items: center;
  -webkit-box-pack: center;
      -ms-flex-pack: center;
          justify-content: center;
  color: #fff;
  border: 1px solid #fff;
  border-radius: 50px;
  -webkit-transition: all 0.5s;
  transition: all 0.5s;
}
.contact .more:hover {
  -webkit-transform: translateY(-10px);
      -ms-transform: translateY(-10px);
          transform: translateY(-10px);
}
.contact .flx {
  margin-top: 145px;
  line-height: 1;
  display: -webkit-box;
  display: -ms-flexbox;
  display: flex;
  -webkit-box-align: center;
      -ms-flex-align: center;
          align-items: center;
  -webkit-box-pack: center;
      -ms-flex-pack: center;
          justify-content: center;
  color: #e6d8c8;
}
.contact .flx a {
  color: #e6d8c8;
}
.contact .flx span {
  margin: 0 20px;
}

.footer {
  background: #000000;
  height: 100px;
  color: #fff;
  display: -webkit-box;
  display: -ms-flexbox;
  display: flex;
  -webkit-box-align: center;
      -ms-flex-align: center;
          align-items: center;
  -webkit-box-pack: center;
      -ms-flex-pack: center;
          justify-content: center;
}
.footer a {
  color: #fff;
}
.footer .icp {
  margin-left: 40px;
  margin-right: 25px;
}
.footer .zwa {
  display: -webkit-box;
  display: -ms-flexbox;
  display: flex;
  -webkit-box-align: center;
      -ms-flex-align: center;
          align-items: center;
}
.footer .zwa img {
  margin-right: 10px;
}

@media screen and (max-width: 1600px) {
  .sw .text {
    height: 300px;
  }
  .banner .txt > img {
    width: 49%;
  }
  .banner .tit {
    margin-top: 35px;
  }
  .banner .banner_address {
    margin-top: 15px;
  }
  .banner a {
    margin-top: 50px;
    width: 230px;
    height: 60px;
  }
  .tab_text {
    margin-bottom: 12.5%;
  }
  .sw .sw_box {
    margin-left: 10%;
    margin-top: 40px;
  }
  .sw .sw_line {
    margin-top: 40px;
  }
  .sw .text {
    padding: 30px;
  }
  .sw .text_tit {
    margin-top: 15px;
  }
  .sw .text svg {
    margin-right: 20px;
  }
  .follow {
    padding: 17% 0 7.8125%;
  }
  .contact .des {
    margin-bottom: 35px;
  }
  .contact .flx {
    margin-top: 10%;
  }
  .footer {
    height: 70px;
  }
  .follow .title {
    margin-right: 30px;
  }
  .black_bg {
    padding-top: 8.33%;
  }
  .invitation .box1 {
    margin-top: 35px;
    padding: 45px 40px 25px;
  }
  .invitation .box1_des {
    margin-top: 25px;
  }
  .invitation .info {
    margin-top: 35px;
  }
  .previews .txt img {
    width: 390px;
  }
  .previews .des {
    padding: 0 20px 65px;
  }
  .previews {
    margin-top: 13.54%;
  }
  .previews .list {
    margin-top: 10%;
  }
  .previews .list > div:nth-child(n+2) {
    margin-top: 50px;
  }
  .all_t {
    padding-bottom: 14.58%;
  }
  .all_c {
    padding: 13.8% 0 15.625%;
  }
  .session .r {
    width: 550px;
  }
  .future {
    margin-top: 10%;
  }
  .future .box {
    margin-top: 35px;
  }
  .future .position {
    width: 100%;
  }
  .future .position > img {
    width: 100%;
  }
  .future .future_logo img {
    width: 44px;
    height: 44px;
  }
  .box_yuan {
    width: 500px;
  }
  .follow .flx {
    margin-bottom: 13%;
  }
  .session .session_bg {
    width: 67.7%;
    bottom: -30%;
  }
  .all_c .all_c_bg {
    width: 68.125%;
  }
}
@media screen and (max-width: 1200px) {
  .future .future_logo img {
    width: 30px;
    height: 30px;
  }
  .sw .sw_box {
    margin-left: 5%;
    margin-top: 25px;
  }
  .follow .bg1 {
    display: none;
  }
  .follow .bg2 {
    display: none;
  }
  .follow .bg3 {
    display: none;
  }
  .footer {
    -webkit-box-orient: vertical;
    -webkit-box-direction: normal;
        -ms-flex-direction: column;
            flex-direction: column;
    -webkit-box-align: center;
        -ms-flex-align: center;
            align-items: center;
    -webkit-box-pack: center;
        -ms-flex-pack: center;
            justify-content: center;
    height: auto;
    padding: 20px 10px;
    text-align: center;
  }
  .footer .icp {
    margin: 5px 0;
  }
  .box_yuan {
    width: 330px;
  }
}
@media screen and (max-width: 768px) {
  .sw .text {
    height: auto;
  }
  .sw .sw_box {
    margin-right: 5%;
  }
  .future .future_logo img {
    width: 20px;
    height: 20px;
  }
  .invitation .box1 {
    padding: 20px;
    background-position: right;
  }
  .invitation .box1_des {
    margin-top: 20px;
  }
  .invitation .info {
    -webkit-box-pack: start;
        -ms-flex-pack: start;
            justify-content: flex-start;
  }
  .banner {
    margin-top: -70px;
  }
  .header .flx {
    height: 70px;
  }
  .header .flx img {
    height: 40px;
  }
  .follow .share img {
    width: 40px;
  }
  .banner .txt {
    top: 60%;
  }
  .banner .tit {
    margin-top: 20px;
  }
  .banner .banner_pc {
    display: none;
  }
  .banner .banner_phone {
    display: none;
  }
  .sw .sw_line {
    margin-top: 20px;
  }
  .follow .follow_bg {
    margin-top: 16px;
  }
  .follow .top {
    -webkit-box-orient: vertical;
    -webkit-box-direction: normal;
        -ms-flex-direction: column;
            flex-direction: column;
  }
  .follow .title {
    margin-right: 0;
    margin-bottom: 25px;
  }
  .follow {
    padding: 40px 0;
  }
  .follow .box a {
    position: relative;
    left: 0 !important;
    top: 0 !important;
    white-space: inherit;
  }
  .follow .box div {
    display: -webkit-box;
    display: -ms-flexbox;
    display: flex;
    -webkit-box-orient: vertical;
    -webkit-box-direction: normal;
        -ms-flex-direction: column;
            flex-direction: column;
    -webkit-box-align: start;
        -ms-flex-align: start;
            align-items: flex-start;
    -ms-flex-pack: distribute;
        justify-content: space-around;
    height: auto;
  }
  .follow .box {
    height: auto;
    padding: 0;
    text-align: center;
  }
  .contact .des {
    margin-bottom: 20px;
  }
  .contact .flx span {
    margin: 0 10px;
  }
  .contact .flx a {
    text-align: center;
  }
  .sw .sw_tit {
    padding: 10px;
  }
  .sw .text {
    padding: 20px;
  }
  .contact .des br {
    display: none;
  }
  .black_bg {
    margin-top: -40px;
    padding-top: 40px;
    border-top-left-radius: 30px;
    border-top-right-radius: 30px;
  }
  .follow .box a:nth-child(n+2) {
    margin-top: 10px;
  }
  .follow .box_txt {
    top: 150px;
    -webkit-transform: translateX(-50%);
        -ms-transform: translateX(-50%);
            transform: translateX(-50%);
  }
  .follow .flx {
    margin-bottom: 40px;
  }
  .previews .txt {
    position: relative;
    top: 0;
    left: inherit;
    right: inherit;
    display: block;
    -webkit-transform: inherit;
        -ms-transform: inherit;
            transform: inherit;
    margin-top: 20px;
  }
  .previews .list > div {
    -webkit-box-align: center;
        -ms-flex-align: center;
            align-items: center;
    -webkit-box-orient: vertical;
    -webkit-box-direction: normal;
        -ms-flex-direction: column;
            flex-direction: column;
  }
  .all_t {
    padding-top: 40px;
    padding-bottom: 40px;
    border-bottom-left-radius: 30px;
    border-bottom-right-radius: 30px;
  }
  .previews {
    margin-top: 40px;
  }
  .previews .list {
    margin-top: 30px;
  }
  .previews .previews_tit {
    font-size: 18px;
    color: #fff !important;
  }
  .previews .list > div:nth-child(n+2) {
    margin-top: 30px;
  }
  .session .flx {
    -webkit-box-orient: vertical;
    -webkit-box-direction: normal;
        -ms-flex-direction: column;
            flex-direction: column;
  }
  .session .r {
    width: 100%;
    margin-top: 35px;
  }
  .session .sw_title {
    text-align: center;
  }
  .all_c {
    padding: 40px 0 80px;
  }
  .session .list > div div {
    padding: 0 20px;
    height: 100px;
  }
  .session .session_bg {
    bottom: -12%;
  }
}