.clearfix::after {
  content: "";
  display: block;
  clear: both;
}
.header {
  position: fixed;
  top: 0;
  left: 0;
  height: 88px;
  z-index: 100;
  min-width: 800px;
  width: 100%;
}
.header-content {
  margin: 0 auto;
  padding: 0 20px;
  max-width: 1340px;
}

.icon-text {
  display: block;
}
.icon-text-d {
  display: none;
}

.header-black .icon-text {
  display: none;
}
.header-black .icon-text-d {
  display: block;
}

.header-nav {
  float: right;
  height: 100%;
  padding-top: 34px;
}
.header-nav > li {
  position: relative;
  float: left;
  font-size: 18px;
  color: #ccc;
  line-height: 25px;
  margin-right: 48px;
  cursor: pointer;
}
.header-nav > li:last-child {
  margin-right: 0;
}

.header-nav > li.active {
  position: relative;
}
.header-nav > li.active > a {
  font-weight: 500;
}
.header-nav > li.active::after {
  position: absolute;
  content: "";
  left: 50%;
  bottom: -13px;
  -webkit-transform: translateX(-50%);
  transform: translateX(-50%);
  width: 24px;
  height: 6px;
  background: #ccf00e;
  border-radius: 3px;
}

.header-black .header-nav > li a {
  color: #000;
}


.section {
  position: absolute;
  width: 100%;
  height: 100%;
  z-index: 1;
}
.section-active {
  display: inline-block;
  z-index: 10;
}
.section-active .section-left .section-phone {
  opacity: 1;
  -webkit-transform: translate3d(0, 0, 0);
  transform: translate3d(0, 0, 0);
}
.section-active .section-left .section-video {
  opacity: 1;
  -webkit-transform: translate3d(0, 0, 0);
  transform: translate3d(0, 0, 0);
}

.section-active .section-right .right-desc,
.section-active .section-right .right-sub,
.section-active .section-right .right-tip,
.section-active .section-right .right-title {
  opacity: 1;
  -webkit-transform: translate3d(0, 0, 0);
  transform: translate3d(0, 0, 0);
}
.section-content {
  position: absolute;
  top: 50%;
  left: 50%;
  width: 1082px;
  max-width: 100vw;
  font-size: 0;
  margin-left: -40px;
  -webkit-transform: translate(-50%, -50%);
  transform: translate(-50%, -50%);
  white-space: nowrap;
  z-index: 2;
  display: flex;
  flex-direction: row;
  justify-content: center;
}
.section-left {
  float: left;
  position: relative;
  width: 579px;
  height: 679px;
}
.section-left .section-phone {
  width: 100%;
  height: 100%;
  background: no-repeat center center/contain;
  -webkit-transform: translate3d(0, 20px, 0);
  transform: translate3d(0, 20px, 0);
  -webkit-transition: all 350ms;
  transition: all 350ms;
  -webkit-transition-timing-function: cubic-bezier(0.25, 0.1, 0.25, 1);
  transition-timing-function: cubic-bezier(0.25, 0.1, 0.25, 1);
}
.section-left .section-video {
  position: absolute;
  top: 83px;
  left: 158px;
  width: 249px;
  height: 538px;
  -o-object-fit: fill;
  object-fit: fill;
  border-radius: 33px;
  -webkit-transform: translate3d(0, 20px, 0);
  transform: translate3d(0, 20px, 0);
  -webkit-transition: all 350ms;
  transition: all 350ms;
  -webkit-transition-timing-function: cubic-bezier(0.25, 0.1, 0.25, 1);
  transition-timing-function: cubic-bezier(0.25, 0.1, 0.25, 1);
}

.section-right {
  display: inline-block;
  margin-top: 140px;
  padding-left: 59px;
  color: #282828;
}
.section-right .right-title {
  font-size: 75px;
  font-size: 3rem;
  font-weight: 600;
  line-height: 106px;
  -webkit-transition: all 350ms;
  transition: all 350ms;
}
.section-right .right-sub {
  margin-top: 40px;
  font-size: 29px;
  font-size: 1.5rem;
  font-weight: 500;
  line-height: 38px;
  -webkit-transition: all 550ms;
  transition: all 550ms;
}
.section-right .right-desc,
.section-right .right-tip {
  margin-top: 20px;
  font-size: 20px;
  font-size: 1.5rem;
  line-height: 32px;
  -webkit-transition: all 750ms;
  transition: all 750ms;
}
.section-right .right-tip {
  -webkit-transition: all 950ms;
  transition: all 950ms;
}
.section-right .right-desc,
.section-right .right-sub,
.section-right .right-tip,
.section-right .right-title {
  -webkit-transform: translate3d(0, 50px, 0);
  transform: translate3d(0, 50px, 0);
  -webkit-transition-timing-function: cubic-bezier(0.25, 0.1, 0.25, 1);
  transition-timing-function: cubic-bezier(0.25, 0.1, 0.25, 1);
}


.section-main {
    background-image: url('./banner.png');
    background-position: center;
    background-size: cover;
    background-repeat: no-repeat;
}

.section-main .main-content {
  position: absolute;
  top: 27%;
  left: 50%;
  -webkit-transform: translate(-50%, 0);
  transform: translate(-50%, 0);
  text-align: center;
}
/* .section-main .main-content > img {
  display: block;
  width: 902px;
  height: 140px;
} */
.section-main .main-content .slogan {
  display: block;
  width: 330px;
  height: 28px;
  margin: 55px auto 48px;
  background-size: 330px 28px;
  background-repeat: no-repeat;
  background-image: url(../images/slogan-cn.png?rev=1658900530306);
  background-position: center center;
}
.section-avatar {
  margin-top: 44px;
  background-color: #fff;
}
.section-avatar .section-content {
  width: 1200px;
  margin-left: 0;
}
.section-avatar img {
  display: none;
  width: 1200px;
  height: 765px;
  -webkit-transition: all 950ms;
  transition: all 950ms;
  -webkit-transform: translate3d(0, 50px, 0);
  transform: translate3d(0, 50px, 0);
  -webkit-transition-timing-function: cubic-bezier(0.25, 0.1, 0.25, 1);
  transition-timing-function: cubic-bezier(0.25, 0.1, 0.25, 1);
}
.section-avatar.section-active img {
  opacity: 1;
  -webkit-transform: translate3d(0, 0, 0);
  transform: translate3d(0, 0, 0);
}

/* .section-phone {
    background-image: url('../img/bottom.png');
    background-size: cover;
    background-repeat: no-repeat;
} */