html,
body {
  height: 100%;
  overflow: hidden;
  background: #171b27;
}

#container,
.sections,
.section {
  /*必须，兼容，在浏览器不支持transform属性时，通过改变top/left完成滑动动画*/
  position: relative;
  /*必须，关系到单个page能否全屏显示*/
  height: 100%;
}
.section {
  /*有背景图时必须，关系到背景图能够全屏显示*/
  margin: 0 auto;
  padding-left: 200px;
  box-sizing: border-box;
}

.swiper-fullpage {
  width: 100%;
  height: 100%;
  position: relative;
  height: 100%;
}

.menu-list-area {
  display: block;
  position: absolute;
  left: 180px;
  top: 50%;
  margin-top: -70px;
  z-index: 2;
}
.menu-list li {
  display: block;
  position: relative;
  color: #fff;
  text-align: center;
  opacity: 0.3;
  -webkit-transition: all 0.2s;
  transition: all 0.2s;
  cursor: pointer;
  padding-left: 6px;
}
.menu-list li:hover {
  opacity: 1;
}
.menu-list li.on {
  opacity: 1;
}
.menu-list li:not(:first-child) {
  margin-top: 20px;
}
.menu-list li .dot {
  display: block;
  width: 1px;
  height: 1px;
  position: absolute;
  left: -30%;
  margin-left: -2px;
  top: 75%;
}
.menu-list li .text {
  display: block;
  color: #fff;
  user-select: none;
}
.menu-list li.on .dot {
  width: 40px;
  height: 3px;
  background: url('../images/section_1/active-icon.png');
  left: -50px;
  top: 10px;
  z-index: 9;
}
.menu-list li.on .text {
  color: #ffffff;
  font-size: 14px;
}
.menu-list-area .line {
  position: absolute;
  left: -12px;
  top: -26px;
  width: 1px;
  height: 280px;
  background: url('../images/section_1/nav-line-bg.png') no-repeat;
  background-size: cover;
}

/* 嘉宾轮播 */
.anim-up {
  -webkit-transition: opacity 1s, -webkit-transform 1s;
  transition: opacity 1s, -webkit-transform 1s;
  transition: transform 1s, opacity 1s;
  transition: transform 1s, opacity 1s, -webkit-transform 1s;
}
.swiper-slide-prev.page .anim-up,
.swiper-slide-next.page .anim-up,
.slide-init.page .anim-up {
  -webkit-transform: translateY(40px);
  transform: translateY(40px);
  opacity: 0;
}
.swiper-slide-active.page .anim-d1 {
  -webkit-transition-delay: 0.1s;
  transition-delay: 0.1s;
}
.swiper-slide-active.page .anim-d2 {
  -webkit-transition-delay: 0.2s;
  transition-delay: 0.2s;
}
.swiper-slide-active.page .anim-d3 {
  -webkit-transition-delay: 0.3s;
  transition-delay: 0.3s;
}
.swiper-slide-active.page .anim-d4 {
  -webkit-transition-delay: 0.4s;
  transition-delay: 0.4s;
}
.swiper-slide-active.page .anim-d5 {
  -webkit-transition-delay: 0.5s;
  transition-delay: 0.5s;
}
.swiper-slide-active.page .anim-d6 {
  -webkit-transition-delay: 0.6s;
  transition-delay: 0.6s;
}
.swiper-slide-active.page .anim-d7 {
  -webkit-transition-delay: 0.7s;
  transition-delay: 0.7s;
}
.swiper-slide-active.page .anim-d8 {
  -webkit-transition-delay: 0.8s;
  transition-delay: 0.8s;
}
.swiper-slide-active.page .anim-d9 {
  -webkit-transition-delay: 0.9s;
  transition-delay: 0.9s;
}
.swiper-slide-active.page:not(.slide-init) .anim-d10 {
  -webkit-transition-delay: 1s;
  transition-delay: 1s;
}

/*  */

.section1 {
  position: relative;
  background: url('../images/section_1/bg_1.png') no-repeat;
  background-attachment: fixed;
  background-size: 1920px 1080px;
  background-position: right;
}

.section .inner {
  width: 1400px;
}

.section .inner {
  position: absolute;
  top: 50%;
  left: 400px;
  transform: translateY(-50%);
  transition: 0.5s;
}

.section1 .gif {
  position: absolute;
  right: 1.8%;
  top: 50%;
  transform: translateY(-57%);
}

.section .title_img {
  margin-bottom: 30px;
}

.section1 .title_sub_img {
  display: block;
  margin: 68px 0 30px;
}

.section .inner > .title_text {
  font-size: 36px;
  color: #b5b8bf;
  font-weight: 300;
  margin-bottom: 38px;
}

.section1 .desc {
  color: #b5b8bf;
  font-size: 14px;
  line-height: 29px;
  max-width: 700px;
  font-weight: 300;
}

.section1_icon_container {
  margin-top: 60px;
  width: 500px;
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
}

.section1_icon_container .item {
  text-align: center;
  width: 80px;
  color: #fff;
}

.section1_icon_container .item .text {
  font-size: 15px;
  font-weight: lighter;
}

.section1_icon_container .icon {
  width: 40px;
  height: 40px;
  margin: 0 auto 15px;
}

.section1_icon_container .icon1 {
  background: url(../images/section_1/section1_icon_1.png) no-repeat;
  background-size: contain;
  background-position: center;
}

.section1_icon_container .icon2 {
  background: url(../images/section_1/section1_icon_2.png) no-repeat;
  background-size: contain;
  background-position: center;
}

.section1_icon_container .icon3 {
  background: url(../images/section_1/section1_icon_3.png) no-repeat;
  background-size: contain;
  background-position: center;
}

.section1_icon_container .icon4 {
  background: url(../images/section_1/section1_icon_4.png) no-repeat;
  background-size: contain;
  background-position: center;
}

.section1_icon_container .icon5 {
  background: url(../images/section_1/section1_icon_5.png) no-repeat;
  background-size: contain;
  background-position: center;
}

.section1_icon_container .icon6 {
  background: url(../images/section_1/section1_icon_6.png) no-repeat;
  background-size: contain;
  background-position: center;
}

.section1_feature_container {
  width: 520px;
  display: flex;
  justify-content: space-between;
}

.section2 {
  position: relative;
  background: url('../images/section_2/bg@2x.png') no-repeat;
  background-size: 100% 35%;
  background-position: bottom;
}

.section2_core_container {
  margin-top: 130px;
  display: flex;
  justify-content: space-between;
}

.section2_core_container .item {
  padding: 32px 24px 8px;
  background-color: #353842;
  border-radius: 8px;
  width: 280px;
  margin-right: 40px;
}

.section2_core_container .item .title_text {
  font-size: 24px;
  font-weight: 500;
  color: #ffffff;
  line-height: 33px;
  margin: 20px 0;
}

.section2_core_container .item .tag_content {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
}

.section2_core_container .item .tag_content .tag {
  width: 48%;
  font-size: 15px;
  color: #e9f3ff;
  border: 1px solid #fff;
  border-radius: 4px;
  text-align: center;
  font-weight: lighter;
  height: 36px;
  line-height: 34px;
  margin-bottom: 24px;
}

.section3 .description {
  font-size: 14px;
  color: #91949d;
  line-height: 20px;
  margin-bottom: 20px;
}

.section4 .desc {
  width: 950px;
  font-size: 18px;
  color: #d1d1d1;
  line-height: 34px;
  margin-bottom: 40px;
}

.section4 .quote {
  width: 950px;
  font-size: 14px;
  font-family: PingFangSC-Regular, PingFang SC;
  font-weight: 400;
  color: #999999;
  line-height: 27px;
  padding-left: 82px;
  margin-bottom: 40px;
  background: url(../images/section_4/quote.png) no-repeat;
  background-size: 67px;
  background-position: 0 10px;
}

.section4_mode_container li {
  padding-left: 30px;
  position: relative;
  font-size: 16px;
  color: #ffffff;
  line-height: 22px;
  margin-bottom: 20px;
  background: url(../images/section_4/dot.png) no-repeat;
  background-size: 14px;
  background-position: left center;
}
.section5 {
  position: relative;
}

.section5 .bg1 {
  position: absolute;
  bottom: -200px;
  left: 0;
}

.section5 .bg2 {
  position: absolute;
  top: 0;
  right: 0;
}

.section5_intro_container {
  display: flex;
}

.section5_intro_container .item {
  width: 350px;
  margin-right: 100px;
}

.section5_intro_container .item .eng {
  font-size: 18px;
  font-weight: bolder;
  color: #666879;
  line-height: 25px;
  margin-bottom: 10px;
}

.section5_intro_container .item .cht {
  font-size: 18px;
  font-weight: bolder;
  color: #999999;
  line-height: 25px;
  margin-bottom: 10px;
}

.section5_intro_container .item .line {
  width: 60px;
  height: 4px;
  background: #e2231b;
  margin-bottom: 10px;
}
.section5_intro_container .item p {
  font-size: 16px;
  color: #ffffff;
  line-height: 24px;
}

.section6 .bg {
  position: fixed;
  right: -97px;
}

.section6 .inset {
  position: absolute;
  right: 1.8%;
  top: 50%;
  transform: translateY(-57%);
}

.section6 .desc {
  width: 737px;
  font-size: 14px;
  color: #b5b8bf;
  line-height: 29px;
}

.section6 .sub_title_img {
  margin-top: 20px;
}

.section6 .circle_wrap {
  margin-top: 20px;
  width: 650px;
  display: flex;
  justify-content: space-between;
}

.section6 .list_wrap {
  display: flex;
}

.section6_mode_container {
  margin-right: 80px;
}

.section6_mode_container li {
  padding-left: 30px;
  position: relative;
  font-size: 14px;
  color: #ffffff57;
  line-height: 22px;
  margin-bottom: 10px;
  background: url(../images/section_6/dot.png) no-repeat;
  background-size: 10px;
  background-position: left center;
}

.section6_mode_container li.first {
  background: url(../images/section_6/rect.png) no-repeat;
  background-size: 12px;
  background-position: left center;
  color: #fff;
  font-size: 16px;
  margin-bottom: 11px;
}

.section6 .block_wrap {
  margin-top: 20px;
  display: flex;
}

.section6 .block_wrap .item {
  padding: 20px 0;
  width: 446px;
  display: flex;
  margin-right: 80px;
  background-color: #5d5f68;
  border-radius: 8px;
}

.section6 .block_wrap .item .content {
  flex: 1;
}

.section6 .block_wrap .item .content .text {
  width: 224px;
  margin-top: 11px;
  font-size: 14px;
  color: #cccccc;
  line-height: 24px;
}

@media (max-width: 1600px) {
  .section .inner {
    position: absolute;
    top: 30%;
    left: 200px;
    transform: scale(0.7) translate(0%, -50%);
  }
}
@media (max-width: 1200px) {
  .section1 .gif {
    display: none;
  }
}
@media (max-height: 690px) {
  .section .inner {
    position: absolute;
    top: 30%;
    left: 300px;
    transform: scale(0.7) translate(0%, -50%);
  }
}