div {
  margin: 0;
  padding: 0;
}
li {
  list-style: none;
}
body {
  margin: 0 auto;
  padding: 0;
  width: 100%;
  overflow-x: auto;
  position: relative;
  background: url('../images/1.jpg') center top no-repeat;
  background-size: 100%;
}
.nav,
.part1,
.part2,
.part3,
.part4 {
  width: 100%;
  position: relative;
}

.nav {
  min-width: 1200px;
  width: 100%;
  height: 75px;
  background: linear-gradient(135deg, rgba(10, 10, 20, 0.95) 0%, rgba(20, 15, 40, 0.95) 50%, rgba(10, 10, 20, 0.95) 100%);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  box-shadow: 0 4px 30px rgba(0, 0, 0, 0.5), 0 0 50px rgba(138, 43, 226, 0.1);
  vertical-align: middle;
  box-sizing: border-box;
  position: fixed;
  z-index: 1000;
  border-bottom: 2px solid transparent;
  background-clip: padding-box;
  display: flex;
  align-items: center;
}
.nav::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  height: 2px;
  background: linear-gradient(90deg, transparent, #8a2be2, #00d4ff, #ff6b6b, #feca57, #00d4ff, #8a2be2, transparent);
  background-size: 200% 100%;
  animation: borderGlow 4s linear infinite;
  pointer-events: none;
}
@keyframes borderGlow {
  0% { background-position: 0% 0%; }
  100% { background-position: 200% 0%; }
}
.nav .logo {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  left: 3%;
  height: 53px;
  cursor: pointer;
  transition: all 0.3s ease;
  animation: logoPulse 3s ease-in-out infinite;
}
.nav .logo:hover {
  transform: translateY(-50%) scale(1.1);
  filter: drop-shadow(0 0 15px rgba(138, 43, 226, 0.8));
}
@keyframes logoPulse {
  0%, 100% { filter: drop-shadow(0 0 5px rgba(138, 43, 226, 0.3)); }
  50% { filter: drop-shadow(0 0 15px rgba(0, 212, 255, 0.5)); }
}
.nav .logo img {
  height: 100%;
  width: auto;
}

.nav .nav-ul {
  display: inline-flex;
  align-items: center;
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  left: 12%;
  height: 50px;
  margin: 0;
  padding-left: 10px;
}
.nav .nav-ul > li {
  display: inline-flex;
  align-items: center;
  color: #707477;
  text-align: center;
  padding: 0 15px;
  cursor: pointer;
  position: relative;
  height: 50px;
}
.nav .nav-ul > li > a {
  text-decoration: none;
  color: rgba(255, 255, 255, 0.7);
  font-size: 18px;
  font-weight: 500;
  transition: all 0.3s ease;
  letter-spacing: 0.5px;
  padding: 8px 0;
  position: relative;
}
.nav .nav-ul > li > a::after {
  content: '';
  position: absolute;
  bottom: -2px;
  left: 50%;
  transform: translateX(-50%);
  width: 0;
  height: 2px;
  background: linear-gradient(90deg, #8a2be2, #00d4ff, #ff6b6b);
  transition: width 0.3s ease;
  border-radius: 2px;
  box-shadow: 0 0 10px currentColor;
}
.nav .nav-ul > li:hover > a::after,
.nav .nav-ul > li.active > a::after {
  width: 100%;
}
.nav .nav-ul > li.active a {
  color: #00d4ff;
  text-shadow: 0 0 20px rgba(0, 212, 255, 0.8);
}
.nav .nav-ul > li:hover a {
  color: #fff;
  text-shadow: 0 0 15px rgba(255, 255, 255, 0.5);
}

.nav .nav-right {
  display: inline-flex;
  align-items: center;
  gap: 15px;
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  right: 3%;
  height: 50px;
}
.nav .enter {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  height: 50px;
}
.nav .enter a {
  width: 38px;
  height: 38px;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  transition: all 0.3s ease;
  border-radius: 10px;
  background-color: rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(255, 255, 255, 0.1);
  position: relative;
  overflow: hidden;
}
.nav .enter a::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(138, 43, 226, 0.3), rgba(0, 212, 255, 0.3));
  opacity: 0;
  transition: opacity 0.3s ease;
  border-radius: 10px;
}
.nav .enter a:hover {
  transform: translateY(-4px) scale(1.1);
  box-shadow: 0 10px 30px rgba(138, 43, 226, 0.4), 0 0 20px rgba(0, 212, 255, 0.3);
  border-color: rgba(138, 43, 226, 0.5);
}
.nav .enter a:hover::before {
  opacity: 1;
}
.nav .enter .fb {
  background: url('../images/tiny-pic.png') -53px 1px no-repeat;
  background-size: 190px auto;
}
.nav .enter .youtube {
  background: url('../images/tiny-pic.png') -106px 1px no-repeat;
  background-size: 190px auto;
}
.nav .enter .photo {
  background: url('../images/tiny-pic.png') -159px 1px no-repeat;
  background-size: 190px auto;
}
.nav .changeLan {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0 14px;
  height: 38px;
  border: 1px solid rgba(138, 43, 226, 0.3);
  border-radius: 10px;
  color: rgba(255, 255, 255, 0.9);
  cursor: pointer;
  font-size: 14px;
  font-weight: 500;
  background: linear-gradient(135deg, rgba(138, 43, 226, 0.1), rgba(0, 212, 255, 0.1));
  transition: all 0.3s ease;
  position: relative;
  overflow: visible;
}
.nav .changeLan::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(138, 43, 226, 0.3), rgba(0, 212, 255, 0.3));
  opacity: 0;
  transition: opacity 0.3s ease;
}
.nav .changeLan:hover {
  border-color: rgba(138, 43, 226, 0.6);
  box-shadow: 0 0 20px rgba(138, 43, 226, 0.4), 0 0 40px rgba(0, 212, 255, 0.2);
  transform: translateY(-2px);
}
.nav .changeLan:hover::before {
  opacity: 1;
}
.nav .changeLan:hover {
  background: rgba(255, 255, 255, 0.15);
  border-color: rgba(255, 255, 255, 0.25);
}
.nav .changeLan .curLan {
  padding-left: 0;
}
.nav .changeLan::after {
  content: '▾';
  font-size: 12px;
  margin-left: 5px;
  opacity: 0.7;
  transition: transform 0.3s ease;
}
.nav .changeLan:hover::after {
  transform: rotate(180deg);
}
.nav .changeLan > div {
  position: relative;
}
.nav .changeLan:hover .change,
.nav .changeLan .change:hover {
  display: block;
  animation: mymove 0.3s ease-in-out 1;
  -webkit-animation: mymove 0.3s ease-in-out 1;
}
.nav .changeLan .change::before {
  content: '';
  position: absolute;
  top: -50px;
  left: -20px;
  width: calc(100% + 40px);
  height: 55px;
  background: transparent;
}
@keyframes mymove {
  from {
    height: 0;
    opacity: 0;
  }
  to {
    height: 90px;
    opacity: 1;
  }
}
.nav .changeLan .change {
  display: none;
  position: absolute;
  top: 40px;
  left: 50%;
  transform: translateX(-50%);
  width: 160px;
  height: auto;
  padding: 8px 0;
  margin-top: 0;
  background: rgba(20, 20, 30, 0.98);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-radius: 10px;
  z-index: 9999;
  border: 1px solid rgba(138, 43, 226, 0.3);
  box-shadow: 0 15px 40px rgba(0, 0, 0, 0.5), 0 0 20px rgba(138, 43, 226, 0.2);
}
.nav .changeLan .change ul {
  width: 100%;
  padding: 0;
}
.changeLan .change > ul > li {
  width: 100%;
  line-height: 40px;
  text-align: center;
}
.changeLan .change > ul > li > a {
  display: block;
  width: 100%;
  line-height: 40px;
  font-size: 14px;
  color: rgba(255, 255, 255, 0.8);
  text-align: center;
  text-decoration: none;
  transition: all 0.2s ease;
  padding: 0 10px;
  box-sizing: border-box;
}
.nav .changeLan .change ul > li:hover {
  background: linear-gradient(135deg, rgba(138, 43, 226, 0.3), rgba(0, 212, 255, 0.2));
}
.nav .changeLan .change ul > li:hover a {
  color: #fff;
  text-shadow: 0 0 10px rgba(255, 255, 255, 0.5);
}

.part1-bg,
.part2-bg,
.part3-bg,
.part4-bg {
  width: 100%;
  position: relative;
}

.part1 {
  min-height: 579px;
  padding-top: 6%;
}
.part1 .logo {
  position: absolute;
  top: 12%;
  left: 39%;
  width: 21%;
  height: 24%;
}
.part1 .logo img {
  width: 100%;
  border: none !important;
}
.part1 .ddt-icon {
  position: absolute;
  top: 82%;
  left: 22%;
  width: 6.33%;
  height: 13%;
  background: url(../images/icon-en.png) top center no-repeat;
  background-size: 100%;
}
.part1 .app-store {
  position: absolute;
  top: 83%;
  left: 32%;
  width: 18%;
  height: 13%;
  background: url(../images/app-store.png) top center no-repeat;
  background-size: 100%;
}
.part1 .google-play {
  position: absolute;
  top: 83%;
  left: 54%;
  width: 18%;
  height: 13%;
  background: url(../images/store-google-play.png) top center no-repeat;
  background-size: 100%;
}
.part1 {
  min-height: 579px;
  padding-top: 6%;
}
.part1 .logo {
  position: absolute;
  top: 12%;
  left: 39%;
  width: 21%;
  height: 24%;
  animation: pulse 2s ease-in-out infinite;
  -webkit-animation: pulse 2s ease-in-out infinite;
}
.part1 .logo img {
  width: 100%;
  border: none !important;
}

@keyframes pulse {
  0% {
    transform: scale(1);
  }
  50% {
    transform: scale(1.05);
  }
  100% {
    transform: scale(1);
  }
}
@-webkit-keyframes pulse {
  0% {
    -webkit-transform: scale(1);
  }
  50% {
    -webkit-transform: scale(1.05);
  }
  100% {
    -webkit-transform: scale(1);
  }
}

.part1 .ddt-icon {
  position: absolute;
  top: 82%;
  left: 20%;
  width: 6.33%;
  height: 13%;
  background: url(../images/icon-en.png) top center no-repeat;
  background-size: 100%;
}
.part1 .app-store {
  position: absolute;
  top: 84%;
  left: 29%;
  width: 15%;
  height: 10%;
  background: url(../images/app-store.png) top center no-repeat;
  background-size: 100%;
}
.part1 .google-play {
  position: absolute;
  top: 84%;
  left: 47%;
  width: 15%;
  height: 10%;
  background: url(../images/store-google-play.png) top center no-repeat;
  background-size: 100%;
}
.part1 .android-download {
  position: absolute;
  top: 84%;
  left: 65%;
  width: 15%;
  height: 10%;
  background: url(../images/download-for-android.png) top center no-repeat;
  background-size: 100%;
}

.part2 {
  min-height: 837px;
}
.part2 .intro-video {
  position: absolute;
  top: 2%;
  left: 3%;
  width: 55%;
  aspect-ratio: 16/9;
  max-width: none;
  border-radius: 15px;
  overflow: hidden;
  box-shadow: 0 10px 40px rgba(0, 0, 0, 0.3), 0 0 30px rgba(138, 43, 226, 0.2);
  border: 3px solid rgba(138, 43, 226, 0.3);
  z-index: 10;
}
.part2 .intro-video video,
.part2 .intro-video iframe,
.part2 .intro-video #intro-youtube-player {
  width: 100%;
  height: 100%;
  display: block;
  border: none;
}
.part2 .intro1 {
  position: absolute;
  top: 9%;
  left: 60%;
  height: 32%;
  width: 32%;
  min-width: 402px;
  padding-left: 3%;
  color: #000;
  line-height: 30px;
  overflow-y: auto;
}
.part2 .intro1 .title-weight {
  font-size: 40px;
  font-weight: bold;
  margin: 0;
  line-height: 50px;
  font-family: 'SupercellHeadline-Heavy', sans-serif;
}
.part2 .intro1 .text {
  text-align: justify;
  display: block;
  margin-top: 3%;
  color: #000;
}
.part2 .intro1 .weight {
  font-weight: bolder;
  font-size: 21px;
  line-height: 26px;
}
.part2 .intro1::-webkit-scrollbar {
  height: 100%;
  width: 10px;
}
.part2 .intro1::-webkit-scrollbar-thumb {
  border-radius: 5px;
  -webkit-box-shadow: inset 0 0 5px #c9c9c9;
  background: #e7e7e7;
}
.part2 .intro1::-webkit-scrollbar-track {
  -webkit-box-shadow: inset 0 0 5px #fff;
  border-radius: 5px;
}
.part2 .intro2 {
  position: absolute;
  top: 55%;
  left: 8%;
  width: 54%;
  min-width: 720px;
  height: 12%;
  padding-left: 4%;
  color: #000;
  line-height: 25px;
}
.part2 .intro2 h2 {
  font-size: 40px;
  line-height: 42px;
  margin: 0;
}
.part2 .ncp {
  position: absolute;
  top: 61%;
  left: 74%;
  width: 24%;
  height: 38%;
  overflow: hidden;
}
.part2 .ncp img {
  position: relative;
  opacity: 1;
  width: 100%;
  left: 0;
}
.ncp-move {
  animation: ncpMove 0.8s ease-in 1;
  -webkit-animation: ncpMove 0.8s ease-in 1;
}
@keyframes ncpMove {
  from {
    opacity: 0;
    left: 15%;
  }
  to {
    opacity: 1;
    left: 0;
  }
}
.part2 .time-event {
  position: absolute;
  width: 68%;
  height: 160px;
  top: 73%;
  left: 3%;
  min-width: 930px;
  line-height: 25px;
  text-align: center;
}
.part2 .time-event span {
  position: relative;
  top: 0;
  left: 0;
  display: inline-block;
  width: 24%;
  border-right: 1px solid #e7e7e7;
  font-size: 15px;
  padding: 0 2%;
  opacity: 0;
}
.part2 .time-event span:nth-child(2) {
  min-width: 260px;
}
.part2 .time-event span:last-child {
  border-right: 0px solid #e7e7e7;
}
.part2 .time-event span:nth-child(1) {
  opacity: 1;
}
.event-move1 {
  animation: timeEventMove 0.6s ease-in 1;
  -webkit-animation: timeEventMove 0.6s ease-in 1;
}

.part2 .time-event span:nth-child(2) {
  opacity: 1;
}
.event-move2 {
  animation: timeEventMove 0.6s ease-in 0.1s 1;
  -webkit-animation: timeEventMove 0.6s ease-in 0.1s 1;
}

.part2 .time-event span:nth-child(3) {
  opacity: 1;
}
.event-move3 {
  animation: timeEventMove 0.6s ease-in 0.2s 1;
  -webkit-animation: timeEventMove 0.6s ease-in 0.2s 1;
}
@keyframes timeEventMove {
  from {
    top: 84%;
    opacity: 0;
  }
  to {
    top: 0;
    opacity: 1;
  }
}
.part2 .time {
  position: absolute;
  top: 89.5%;
  left: 3.5%;
  width: 68%;
  min-width: 930px;
  color: #f15f3f;
  line-height: 25px;
  text-align: center;
}
.part2 .time span {
  display: inline-block;
  width: 25%;
  font-size: 15px;
  padding: 0 2%;
}

.part3 {
  position: relative;
  min-height: 497px;
}
.part3 a {
  position: absolute;
  display: block;
  width: 100%;
  height: 90%;
  top: 0;
  left: 0;
  text-decoration: none;
  color: #fff;
}
.part3 a .fb-text {
  position: absolute;
  width: 35%;
  min-width: 624px;
  top: 66.5%;
  left: 53%;
  font-size: 25px;
}
.part3 a .fb-text img {
  width: 100%;
}
.part3 a .fb-text span {
  position: absolute;
  top: 16%;
  left: 25%;
}

.part4 .youtube {
  position: absolute;
  width: 100%;
  height: 100%;
  top: 5%;
  left: 0;
  overflow: hidden;
}

.part4 .youtube .swiper-slide {
  width: 100%;
}
.my-bullet {
  width: 15px;
  height: 15px;
  display: inline-block;
  border-radius: 100%;
  background: #dbdbdb;
  margin: 10px;
}
.my-bullet-active {
  background: #8dace5;
}
.swiper-button-next {
  width: 10%;
  height: 5%;
  margin-top: -100px;
  background-color: #303030;
  color: white;
  cursor: pointer;
}

.youtube1,
.youtube2,
.youtube3,
.youtube4 {
  display: inline-block;
  width: 40%;
  box-shadow: 0px 0px 25px #747474;
}
.youtube1,
.youtube3 {
  margin: 0 1% 0 8%;
}
.youtube2,
.youtube4 {
  margin: 0 8% 0 1%;
}

.video-content {
  position: relative;
  width: 100%;
  background-color: #303030;
}
.video-content img {
  width: 100%;
}
.video-content .play-btn {
  position: absolute;
  top: 34%;
  left: 43%;
  width: 22%;
  height: 43%;
  background: url(../images/play-btn.png) top center no-repeat;
  background-size: 100%;
  cursor: pointer;
}
.content-bottom {
  position: relative;
  width: 100%;
  height: 65px;
  background-color: #303030;
  color: #fff;
  vertical-align: middle;
}
.content-bottom .title {
  display: inline-block;
  padding: 23px 35px;
  vertical-align: middle;
}
.content-bottom .youtube-icon {
  position: absolute;
  display: inline-block;
  vertical-align: middle;
  right: 3%;
  top: 17%;
  width: 13%;
  min-width: 93px;
  height: 41px;
}
.content-bottom .youtube-icon img {
  width: 100%;
}

.video-box {
  display: none;
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-color: rgba(0, 0, 0, 0.5);
  z-index: 100;
  padding: 15% calc(50% - 320px);
}
.video-box .close {
  position: relative;
  color: #fff;
  width: 30px;
  font-size: 35px;
  font-weight: lighter;
  cursor: pointer;
  top: -380px;
  left: 650px;
}

.foot {
  position: relative;
  width: 100%;
  height: 70px;
  background: linear-gradient(135deg, rgba(10, 10, 20, 0.98) 0%, rgba(20, 15, 40, 0.98) 50%, rgba(10, 10, 20, 0.98) 100%);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  display: flex;
  justify-content: center;
  align-items: center;
  border-top: 2px solid transparent;
  overflow: hidden;
}
.foot::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 2px;
  background: linear-gradient(90deg, transparent, #ff6b6b, #feca57, #00d4ff, #8a2be2, #ff6b6b, transparent);
  background-size: 200% 100%;
  animation: borderGlow 4s linear infinite reverse;
}

.foot .enter {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  margin-right: 40px;
}
.foot .enter a {
  width: 40px;
  height: 40px;
  display: inline-block;
  background-size: 200px auto;
  transition: all 0.3s ease;
  border-radius: 10px;
  background-color: rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(255, 255, 255, 0.1);
  position: relative;
}
.foot .enter a:hover {
  transform: translateY(-5px) scale(1.1);
  box-shadow: 0 10px 30px rgba(138, 43, 226, 0.4), 0 0 20px rgba(0, 212, 255, 0.3);
  border-color: rgba(138, 43, 226, 0.5);
}
.foot .enter .fb {
  background: url('../images/tiny-pic.png') -56px 0 no-repeat;
  background-size: 200px auto;
}
.foot .enter .youtube {
  background: url('../images/tiny-pic.png') -112px 0 no-repeat;
  background-size: 200px auto;
}
.foot .enter .photo {
  background: url('../images/tiny-pic.png') -168px 0 no-repeat;
  background-size: 200px auto;
}
.foot .store {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 15px;
}
.foot .store .app-store,
.foot .store .google-play,
.foot .store .android-download {
  display: inline-block;
  width: 120px;
  height: 38px;
  transition: all 0.3s ease;
  border-radius: 8px;
  overflow: hidden;
  opacity: 0.8;
  border: 1px solid rgba(255, 255, 255, 0.1);
}
.foot .store .app-store:hover,
.foot .store .google-play:hover,
.foot .store .android-download:hover {
  transform: translateY(-4px) scale(1.05);
  opacity: 1;
  box-shadow: 0 10px 30px rgba(138, 43, 226, 0.3), 0 0 15px rgba(0, 212, 255, 0.2);
  border-color: rgba(138, 43, 226, 0.4);
}
.foot .store img {
  width: 100%;
  height: 100%;
  object-fit: contain;
  border: none;
}

.all {
  width: 100%;
  height: 84%;
  position: relative;
}
.screen {
  width: 100%;
  height: 100%;
  overflow: hidden;
  position: relative;
}

.screen ul {
  position: absolute;
  left: 0;
  top: 0;
  height: 100%;
  margin: 0;
  padding: 0;
}
.screen ul li {
  overflow: hidden;
  float: left;
  padding: 14px 0;
}
ol {
  position: absolute;
  left: 49%;
  bottom: 9%;
  line-height: 20px;
  text-align: center;
  padding: 0;
}
ol li {
  display: inline-block;
  width: 20px;
  height: 20px;
  background: #dbdbdb;
  border-radius: 50%;
  margin-left: 10px;
}
ol li.current {
  background: #8dace5;
}

#arr {
  display: block;
}
#arr span {
  width: 60px;
  height: 60px;
  border-radius: 50% 0 0 50%;
  position: absolute;
  left: 5px;
  top: 45%;
  margin-top: -20px;
  background: #303030;
  cursor: pointer;
  line-height: 60px;
  text-align: center;
  font-weight: bold;
  font-family: '黑体';
  font-size: 42px;
  color: #fff;
}
#arr #right {
  right: 5px;
  left: auto;
}
#arr #left {
  display: none;
}

@media (max-width: 1200px) {
  .nav .nav-ul > li > a {
    font-size: 20px;
  }
  .part2 .intro1 {
    top: 5%;
    height: 37%;
  }
  .part2 .intro1 .title-weight {
    font-size: 27px;
  }
  .part2 .intro1 .text {
    font-size: 14px;
    line-height: 24px;
  }
  .part2 .intro1 .weight {
    font-size: 18px;
    line-height: 22px;
  }
  .part2 .intro2 {
    min-width: 750px;
  }
  .part2 .intro2 h2 {
    font-size: 29px;
    line-height: 34px;
  }
  .part2 .intro2 p {
    font-size: 14px;
  }
  .part2 .time-event {
    left: 5.8%;
  }
  .part2 .time-event span {
    font-size: 14px;
  }
  .part2 .time {
    left: 6.3%;
  }
}
@media screen and (min-width: 1200px) and (max-width: 1366px) {
  .nav .nav-ul > li > a {
    font-size: 20px;
  }
  .part2 .intro1 {
    top: 5%;
    height: 37%;
  }
  .part2 .intro1 .title-weight {
    font-size: 27px;
  }
  .part2 .intro1 .text {
    font-size: 14px;
    line-height: 25px;
  }
  .part2 .intro1 .weight {
    font-size: 18px;
    line-height: 22px;
  }
  .part2 .intro2 {
    min-width: 720px;
  }
  .part2 .intro2 h2 {
    font-size: 27px;
    line-height: 36px;
  }
  .part2 .intro2 p {
    font-size: 15px;
  }
  .part2 .time-event span {
    font-size: 15px;
  }
  .part2 .time-event {
    left: 5.8%;
  }
  .part2 .time {
    left: 6.3%;
  }
}

@media (min-width: 1366px) {
  .nav .nav-ul > li > a {
    font-size: 20px;
  }
  .part2 .intro1 {
    top: 8%;
    height: 34%;
  }
  .part2 .intro1 .title-weight {
    font-size: 30px;
  }
  .part2 .intro1 .text {
    font-size: 15px;
    line-height: 26px;
  }
  .part2 .intro1 .weight {
    font-size: 19px;
    line-height: 24px;
  }
  .part2 .intro2 h2 {
    font-size: 30px;
    line-height: 38px;
  }
  .part2 .time-event {
    left: 4%;
  }
  .part2 .time {
    left: 4.5%;
  }
}

@media (min-width: 1440px) {
  .part2 .intro1 .title-weight {
    font-size: 35px;
  }
  .part2 .intro1 .text {
    font-size: 15px;
    line-height: 28px;
  }
  .part2 .intro1 .weight {
    font-size: 20px;
    line-height: 26px;
  }
  .part2 .intro2 h2 {
    font-size: 35px;
    line-height: 40px;
  }
  .part2 .intro2 p {
    font-size: 16px;
  }
  .part2 .time-event span:nth-child(1) {
    width: 20%;
  }
}

@media (min-width: 1680px) {
  .nav .nav-ul > li > a {
    font-size: 22px;
  }
  .part2 .intro1 {
    top: 14%;
  }
  .part2 .intro1 .title-weight {
    font-size: 40px;
  }
  .part2 .intro1 .text {
    font-size: 16px;
    line-height: 30px;
  }
  .part2 .intro1 .weight {
    font-size: 20px;
    line-height: 26px;
  }
  .part2 .intro2 {
    min-width: 940px;
  }
  .part2 .intro2 h2 {
    font-size: 40px;
    line-height: 50px;
  }
  .part2 .time-event {
    width: 70%;
    left: 3.5%;
    top: 76%;
  }
  .part2 .time-event span {
    font-size: 16px;
  }
  .part2 .time-event span:nth-child(1) {
    width: 20%;
  }
  .part2 .time {
    left: 4.5%;
  }
  .part2 .time span:nth-child(1) {
    width: 20%;
  }
}

.main {
  display: none;
  box-sizing: border-box;
  position: fixed;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  z-index: 500;
  width: 100%;
  height: auto;
}
.main > a {
  display: block;
  text-align: center;
  font-size: 20px;
  margin-top: 200px;
}
.loadEffect {
  width: 100px;
  height: 100px;
  position: relative;
  margin: 0 auto;
  margin-top: 100px;
}
.loadEffect span {
  display: inline-block;
  width: 30px;
  height: 10px;
  border-top-left-radius: 5px;
  border-bottom-left-radius: 5px;
  background: #ffffff;
  position: absolute;
  -webkit-animation: load 1.04s ease infinite;
}
@-webkit-keyframes load {
  0% {
    opacity: 1;
  }
  100% {
    opacity: 0.2;
  }
}
.loadEffect span:nth-child(1) {
  left: 0;
  top: 50%;
  margin-top: -5px;
  -webkit-animation-delay: 0.13s;
}
.loadEffect span:nth-child(2) {
  left: 10px;
  top: 20px;
  -webkit-transform: rotate(45deg);
  -webkit-animation-delay: 0.26s;
}
.loadEffect span:nth-child(3) {
  left: 50%;
  top: 10px;
  margin-left: -15px;
  -webkit-transform: rotate(90deg);
  -webkit-animation-delay: 0.39s;
}
.loadEffect span:nth-child(4) {
  top: 20px;
  right: 10px;
  -webkit-transform: rotate(135deg);
  -webkit-animation-delay: 0.52s;
}
.loadEffect span:nth-child(5) {
  right: 0;
  top: 50%;
  margin-top: -5px;
  -webkit-transform: rotate(180deg);
  -webkit-animation-delay: 0.65s;
}
.loadEffect span:nth-child(6) {
  right: 10px;
  bottom: 20px;
  -webkit-transform: rotate(225deg);
  -webkit-animation-delay: 0.78s;
}
.loadEffect span:nth-child(7) {
  bottom: 10px;
  left: 50%;
  margin-left: -15px;
  -webkit-transform: rotate(270deg);
  -webkit-animation-delay: 0.91s;
}
.loadEffect span:nth-child(8) {
  bottom: 20px;
  left: 10px;
  -webkit-transform: rotate(315deg);
  -webkit-animation-delay: 1.04s;
}

.part4 {
  min-height: 700px;
  position: relative;
}
.tiktok-section {
  position: absolute;
  width: 100%;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  z-index: 10;
}
.tiktok-container {
  display: flex;
  justify-content: center;
  align-items: flex-start;
  gap: 20px;
  padding: 20px;
  max-width: 1200px;
  margin: 0 auto;
}
.tiktok-video {
  flex: 0 0 300px;
  text-align: center;
}
.tiktok-video .video-title {
  color: #fff;
  font-size: 14px;
  margin-top: 10px;
  font-weight: bold;
  text-shadow: 1px 1px 3px rgba(0,0,0,0.5);
}
.tiktok-embed {
  margin: 0 auto;
  max-width: 300px !important;
  min-width: 280px !important;
}
@media (max-width: 1024px) {
  .tiktok-container {
    flex-direction: column;
    align-items: center;
  }
  .tiktok-video {
    flex: 0 0 auto;
  }
}


.pc-popup-overlay {
  display: none;
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(0, 0, 0, 0.85);
  z-index: 10000;
  justify-content: center;
  align-items: center;
  backdrop-filter: blur(5px);
}

.pc-popup-overlay.active {
  display: flex;
}

.pc-popup-modal {
  background: linear-gradient(135deg, #1a1a2e 0%, #16213e 50%, #0f0f23 100%);
  border-radius: 20px;
  max-width: 800px;
  width: 90%;
  max-height: 90vh;
  overflow-y: auto;
  position: relative;
  box-shadow: 0 25px 80px rgba(138, 43, 226, 0.3), 0 0 60px rgba(0, 212, 255, 0.1);
  border: 2px solid rgba(138, 43, 226, 0.3);
  animation: popupFadeIn 0.3s ease;
}

@keyframes popupFadeIn {
  from { opacity: 0; transform: scale(0.9); }
  to { opacity: 1; transform: scale(1); }
}

.pc-popup-close {
  position: absolute;
  top: 15px;
  right: 20px;
  background: none;
  border: none;
  color: #fff;
  font-size: 35px;
  cursor: pointer;
  z-index: 10;
  transition: all 0.3s ease;
  width: 45px;
  height: 45px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
}

.pc-popup-close:hover {
  background: rgba(255, 107, 107, 0.2);
  color: #ff6b6b;
  transform: rotate(90deg);
}

.pc-popup-title {
  text-align: center;
  color: #fff;
  font-size: 24px;
  padding: 25px 20px 15px;
  margin: 0;
  background: linear-gradient(90deg, #8a2be2, #00d4ff);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.pc-popup-slideshow {
  position: relative;
  padding: 20px 30px;
}

.pc-slide {
  display: none;
}

.pc-slide.active {
  display: block;
  animation: slideFadeIn 0.4s ease;
}

@keyframes slideFadeIn {
  from { opacity: 0; transform: translateX(20px); }
  to { opacity: 1; transform: translateX(0); }
}

.pc-slide-content {
  text-align: center;
}

.pc-slide-number {
  display: inline-block;
  background: linear-gradient(135deg, #8a2be2, #00d4ff);
  color: #fff;
  padding: 8px 25px;
  border-radius: 25px;
  font-size: 16px;
  font-weight: bold;
  margin-bottom: 15px;
}

.pc-slide-text {
  color: rgba(255, 255, 255, 0.9);
  font-size: 16px;
  line-height: 1.7;
  margin-bottom: 20px;
  padding: 0 10px;
}

.pc-slide-text strong {
  color: #00d4ff;
}

.pc-slide-img {
  max-width: 100%;
  max-height: 350px;
  border-radius: 10px;
  border: 2px solid rgba(138, 43, 226, 0.3);
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.3);
  margin-bottom: 15px;
}

.pc-download-btn {
  display: block;
  width: fit-content;
  margin: 10px auto 0;
  background: linear-gradient(135deg, #8a2be2, #00d4ff);
  color: #fff;
  padding: 15px 40px;
  border-radius: 30px;
  font-size: 18px;
  font-weight: bold;
  text-decoration: none;
  transition: all 0.3s ease;
  box-shadow: 0 5px 20px rgba(138, 43, 226, 0.4);
}

.pc-download-btn:hover {
  transform: translateY(-3px);
  box-shadow: 0 10px 30px rgba(138, 43, 226, 0.6);
}

.pc-popup-nav {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 20px 30px 25px;
  border-top: 1px solid rgba(138, 43, 226, 0.2);
}

.pc-nav-btn {
  background: rgba(138, 43, 226, 0.2);
  border: 1px solid rgba(138, 43, 226, 0.4);
  color: #fff;
  padding: 12px 25px;
  border-radius: 25px;
  cursor: pointer;
  font-size: 14px;
  transition: all 0.3s ease;
}

.pc-nav-btn:hover {
  background: rgba(138, 43, 226, 0.4);
  box-shadow: 0 5px 20px rgba(138, 43, 226, 0.3);
}

.pc-nav-btn:disabled {
  opacity: 0.3;
  cursor: not-allowed;
}

.pc-slide-dots {
  display: flex;
  gap: 10px;
}

.pc-slide-dot {
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.3);
  cursor: pointer;
  transition: all 0.3s ease;
}

.pc-slide-dot.active {
  background: linear-gradient(135deg, #8a2be2, #00d4ff);
  transform: scale(1.2);
}

.pc-slide-dot:hover {
  background: rgba(138, 43, 226, 0.6);
}

.ios-slide {
  display: none;
}

.ios-slide.active {
  display: block;
}

.ios-slide-dots {
  display: flex;
  gap: 10px;
}

.ios-slide-dot {
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.3);
  cursor: pointer;
  transition: all 0.3s ease;
}

.ios-slide-dot.active {
  background: linear-gradient(135deg, #8a2be2, #00d4ff);
  transform: scale(1.2);
}

.ios-slide-dot:hover {
  background: rgba(138, 43, 226, 0.6);
}

.footer-legal {
  text-align: center;
  padding: 20px 15px 30px;
  color: rgba(255, 255, 255, 0.8);
  font-size: 13px;
  margin-top: 15px;
}

.footer-legal p {
  margin: 5px 0;
}

.footer-legal a {
  color: #00d4ff;
  text-decoration: none;
  font-weight: 500;
}

.legal-popup-overlay {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(0, 0, 0, 0.95);
  display: none;
  justify-content: center;
  align-items: center;
  z-index: 10000;
  padding: 15px;
  box-sizing: border-box;
}

.legal-popup-overlay.active {
  display: flex;
}

.legal-popup-modal {
  background: linear-gradient(135deg, rgba(20, 10, 40, 0.98) 0%, rgba(10, 5, 20, 0.98) 100%);
  border-radius: 15px;
  width: 100%;
  max-height: 90vh;
  position: relative;
  border: 2px solid rgba(138, 43, 226, 0.3);
  overflow: hidden;
}

.legal-popup-close {
  position: absolute;
  top: 10px;
  right: 15px;
  background: none;
  border: none;
  color: #fff;
  font-size: 28px;
  cursor: pointer;
  z-index: 10;
}

.legal-popup-content {
  padding: 25px 20px;
  overflow-y: auto;
  max-height: 90vh;
  color: #e0e0e0;
  line-height: 1.7;
  font-size: 14px;
}

.legal-popup-content h1 {
  text-align: center;
  color: #fff;
  font-size: 20px;
  margin-bottom: 20px;
}

.legal-popup-content h2 {
  color: #00d4ff;
  font-size: 16px;
  margin-top: 20px;
  margin-bottom: 8px;
}

.legal-popup-content p {
  margin-bottom: 12px;
}

.legal-popup-content a {
  color: #ff8a80;
}

.legal-popup-content ul {
  padding-left: 20px;
  margin-bottom: 12px;
}

.legal-popup-content ul li {
  margin-bottom: 5px;
  list-style: disc;
}