* { box-sizing: border-box; margin: 0; padding: 0; }
html {
  font-size: 100px;
  font-size: calc(100vw / 19.2);
  height: 100%;
}
body {
  height: 100%;
  overflow: hidden;
  color: #fff;
  background: #1a2430;
  font-family: "PingFang SC", "Hiragino Sans GB", "Noto Sans SC", "Microsoft YaHei", sans-serif;
  -webkit-font-smoothing: antialiased;
}
a { color: inherit; text-decoration: none; }
button { font: inherit; color: inherit; background: none; border: 0; }

.nav {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 1.44rem;
  padding: 0.4rem 0.64rem 0.4rem 0.8rem;
  display: flex;
  flex-direction: row;
  align-items: center;
  z-index: 40;
}
.brand {
  display: flex;
  flex-direction: row;
  align-items: center;
  cursor: pointer;
}
.logo-img {
  width: 0.5rem;
  height: 0.5rem;
  border-radius: 0.12rem;
  object-fit: cover;
  margin-right: 0.14rem;
  background: rgba(255,255,255,0.12);
}
.brand-text {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
}
.brand-wordmark {
  display: block;
  height: 0.3rem;
  width: auto;
  max-width: 1.05rem;
}
.wm-line {
  display: flex;
  flex-direction: row;
  align-items: flex-end;
}
.wm-box {
  display: flex;
  flex-direction: row;
  align-items: flex-end;
  line-height: 1;
}
.wm-mark {
  overflow: hidden;
  flex-shrink: 0;
}
.title.wm-line .wm-mark {
  height: 1.22em;
  margin: 0 0.06em;
}
.dock-title.wm-line .wm-mark {
  height: 1.12em;
  margin: 0 0.04em;
}
.wm-mark .wordmark {
  display: block;
  width: auto;
  height: 100%;
}
.brand-text strong {
  font-size: 0.28rem;
  font-weight: 500;
  letter-spacing: 0.04rem;
  line-height: 1.2;
}
.brand-text span {
  margin-top: 0.04rem;
  font-size: 0.14rem;
  font-weight: 300;
  letter-spacing: 0.02rem;
  opacity: 0.82;
}
.brand-text span:before {
  content: "";
  display: inline-block;
  width: 1px;
  height: 0.12rem;
  margin-right: 0.08rem;
  background: rgba(255,255,255,0.55);
  vertical-align: middle;
}
.menu {
  display: flex;
  flex-direction: row;
  align-items: center;
  margin-left: auto;
}
.menu a {
  height: 0.64rem;
  line-height: 0.64rem;
  padding: 0 0.14rem;
  font-size: 0.2rem;
  font-weight: 200;
  color: #fff;
}
.menu a.active { font-weight: 600; }

.indicator {
  position: fixed;
  top: 50vh;
  right: 0.4rem;
  z-index: 40;
  list-style: none;
  transform: translateY(-50%);
}
.indicator li {
  padding: 0.1rem 0.12rem 0;
  cursor: pointer;
}
.indicator i {
  display: block;
  width: 0.08rem;
  height: 0.08rem;
  border-radius: 0.08rem;
  background: #d8d8d8;
  transition: height 0.7s, background-color 0.7s, opacity 0.3s;
}
.indicator li:hover i { opacity: 0.5; }
.indicator li.on i {
  height: 0.32rem;
  background: #007aff;
}

.fp-viewport {
  position: relative;
  height: 100vh;
  overflow: hidden;
}
.fp-track {
  will-change: transform;
  transition: transform 0.7s cubic-bezier(0.645, 0.045, 0.355, 1);
}
.screen {
  position: relative;
  height: 100vh;
  overflow: hidden;
}
.fp-bg, .fp-shade {
  position: absolute;
  inset: 0;
}
.fp-bg {
  width: 100%;
  height: 100%;
  object-fit: cover;
  background-position: center;
  background-size: cover;
  z-index: 1;
}
.fp-bg.kenburns {
  transform-origin: center;
  animation: kenburns 22s ease-out forwards;
}
@keyframes kenburns {
  from { transform: scale(1); }
  to { transform: scale(1.08); }
}
.fp-shade { z-index: 2; pointer-events: none; }
.hero-shade {
  background: linear-gradient(180deg, #46494e 2%, rgba(67,70,75,0) 42%);
}
.feature-shade {
  background: linear-gradient(180deg, #46494e 2%, rgba(67,70,75,0) 38%);
}
.fp-content {
  position: relative;
  z-index: 3;
  width: 100%;
  height: 100%;
  color: #fff;
  font-weight: 200;
}
.title {
  font-size: 0.6rem;
  font-weight: 500;
  line-height: 1;
  letter-spacing: 0.02rem;
}
.subtitle {
  margin-top: 0.2rem;
  font-size: 0.24rem;
  font-weight: 300;
  line-height: 1.6;
}
.subtitle p + p {
  margin-top: 0.1rem;
  font-size: 0.2rem;
  opacity: 0.92;
}
.tr { text-align: right; }

.hero-content {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: flex-start;
  padding-top: 3.6rem;
  background: rgba(4, 16, 32, 0.18);
}
.hero-legal {
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0.28rem;
  z-index: 4;
  display: flex;
  flex-direction: row;
  align-items: center;
  justify-content: center;
  flex-wrap: wrap;
  padding: 0 0.4rem;
  font-size: 0.13rem;
  line-height: 0.22rem;
  color: rgba(255,255,255,0.78);
  text-align: center;
}
.hero-legal a,
.hero-legal span {
  margin: 0 0.08rem;
  color: rgba(255,255,255,0.88);
}
.hero-content .title {
  margin-bottom: 0.36rem;
  justify-content: center;
  letter-spacing: 0.06rem;
}
.keywords {
  display: flex;
  flex-direction: row;
  align-items: center;
  justify-content: center;
}
.keywords span {
  display: inline-block;
  min-width: 0.82rem;
  padding: 0 0.16rem;
  font-size: 0.24rem;
  font-weight: 200;
  text-align: center;
}
.keywords span + span {
  border-left: 1px solid #dbdbdb;
}

.store-row {
  display: flex;
  flex-direction: row;
  align-items: center;
  justify-content: center;
  margin-top: 1rem;
}
.store-btn {
  display: flex;
  flex-direction: row;
  align-items: center;
  width: 2.3rem;
  height: 0.76rem;
  padding: 0 0.18rem;
  margin: 0 0.22rem;
  border-radius: 0.12rem;
  background: #fff;
  color: #111;
  box-shadow: 0 0.04rem 0.16rem rgba(0,0,0,0.18);
  cursor: pointer;
}
.store-btn svg {
  width: 0.34rem;
  height: 0.34rem;
  flex-shrink: 0;
}
.store-btn span {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  margin-left: 0.1rem;
  line-height: 1.15;
}
.store-btn em {
  font-size: 0.12rem;
  font-style: normal;
  font-weight: 400;
  opacity: 0.72;
}
.store-btn strong {
  font-size: 0.2rem;
  font-weight: 600;
}

.feature-content {
  padding: 1.8rem 0.8rem 0;
}
.feature-content.tr { padding-right: 0.7rem; }
.feature-content.tl { padding-left: 0.8rem; }
.screen.on .title,
.screen.on .subtitle,
.screen.on .store-row {
  animation: riseIn 0.7s ease both;
}
.screen.on .subtitle { animation-delay: 0.12s; }
.screen.on .store-row { animation-delay: 0.22s; }
@keyframes riseIn {
  from { opacity: 0; transform: translateY(0.28rem); }
  to { opacity: 1; transform: translateY(0); }
}

.screen-stories {
  background: linear-gradient(135deg, #3a5d7a 0%, #84797b 100%);
}
.stories-bg { background: linear-gradient(135deg, #3a5d7a 0%, #84797b 100%); }
.stories-copy {
  padding: 1.8rem 0.7rem 0 0;
}
.story-stage {
  position: absolute;
  z-index: 3;
  left: 50%;
  top: 50%;
  width: 19.2rem;
  height: 10.8rem;
  transform: translate(-50%, -53%);
  pointer-events: none;
}
.story-item {
  position: absolute;
  z-index: 2;
  width: 2.28rem;
  height: 2.28rem;
  pointer-events: auto;
  cursor: pointer;
  transform: scale(0.75);
  opacity: 0;
}
.screen.on .story-item { opacity: 1; transition: opacity 0.8s ease, transform 0.35s ease; }
.story-item.dim { opacity: 0.72; }
.story-item:hover,
.screen.on .story-item:hover {
  z-index: 5;
  transform: scale(1);
  opacity: 1;
}
.story-ring {
  width: 2.28rem;
  height: 2.28rem;
  border-radius: 50%;
  box-shadow: 0 0 0 0.03rem rgba(255,255,255,0.55), 0 0.08rem 0.24rem rgba(0,0,0,0.25);
}
.story-item img {
  position: absolute;
  left: 0.08rem;
  top: 0.08rem;
  width: 2.12rem;
  height: 2.12rem;
  border-radius: 50%;
  object-fit: cover;
}
.story-item .name,
.story-item .intro {
  position: absolute;
  left: 50%;
  width: 3.2rem;
  text-align: center;
  transform: translate(-50%);
  opacity: 0;
  pointer-events: none;
}
.story-item .name {
  top: 2.36rem;
  font-size: 0.22rem;
  font-weight: 600;
}
.story-item .intro {
  top: 2.7rem;
  font-size: 0.16rem;
  font-weight: 200;
  line-height: 1.4;
}
.story-item:hover .name,
.story-item:hover .intro { opacity: 1; }

.screen-foot {
  height: 4.4rem;
  background: linear-gradient(135deg, #3a5d7a 0%, #5c6670 100%);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: flex-end;
  padding: 0.4rem 0.4rem 0.72rem;
}
.foot-stores {
  display: flex;
  flex-direction: row;
  align-items: center;
  justify-content: center;
  margin-bottom: 0.36rem;
}
.copyright {
  display: flex;
  flex-direction: column;
  align-items: center;
  font-size: 0.16rem;
  line-height: 0.4rem;
  color: rgba(255,255,255,0.88);
  text-align: center;
}
.copyright a { color: #51a3ff; }
.foot-links a,
.foot-filings a,
.foot-filings span { margin: 0 0.1rem; }
.foot-copy { margin-top: 0.06rem; opacity: 0.8; }

.dock {
  position: fixed;
  left: 0;
  bottom: 0;
  z-index: 35;
  width: 100%;
  height: 0.92rem;
  padding: 0 0.4rem;
  display: flex;
  flex-direction: row;
  align-items: center;
  justify-content: center;
  background: rgba(0,0,0,0.4);
  transform: translateY(100%);
  transition: transform 0.7s;
}
.dock.show { transform: translateY(0); }
.dock-copy { margin-right: 0.28rem; text-align: left; }
.dock-title { font-size: 0.2rem; font-weight: 500; margin-bottom: 0.04rem; }
.dock-sub { font-size: 0.12rem; opacity: 0.8; }
.dock-stores { display: flex; flex-direction: row; align-items: center; }
.dock .store-btn {
  width: 1.86rem;
  height: 0.58rem;
  margin: 0 0.08rem;
  padding: 0 0.12rem;
}
.dock .store-btn svg { width: 0.26rem; height: 0.26rem; }
.dock .store-btn em { font-size: 0.1rem; }
.dock .store-btn strong { font-size: 0.15rem; }

.store-mask {
  position: fixed;
  left: 0;
  top: 0;
  right: 0;
  bottom: 0;
  z-index: 90;
  background: rgba(0, 0, 0, 0.55);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
}
.store-mask[hidden] { display: none; }
.store-sheet {
  width: 3.2rem;
  padding: 0.28rem 0.24rem 0.32rem;
  border-radius: 0.16rem;
  background: #fff;
  display: flex;
  flex-direction: column;
  align-items: center;
}
.store-qr {
  width: 2.4rem;
  height: 2.4rem;
  display: block;
}
.store-empty {
  min-height: 2.4rem;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  color: #666;
  font-size: 0.16rem;
  text-align: center;
}
.store-link {
  margin-top: 0.16rem;
  width: 100%;
  font-size: 0.13rem;
  line-height: 1.45;
  color: #007aff;
  word-break: break-all;
  text-align: center;
}
.store-qr[hidden],
.store-empty[hidden],
.store-link[hidden] {
  display: none;
}

@media (max-width: 900px) {
  html { font-size: calc(100vw / 7.5); }
  .nav {
    height: auto;
    padding: 0.28rem 0.24rem;
    flex-wrap: wrap;
  }
  .brand-text strong { font-size: 0.32rem; }
  .menu a { font-size: 0.24rem; padding: 0 0.08rem; }
  .indicator { display: none; }
  .hero-content { padding-top: 2.4rem; padding-left: 0.32rem; padding-right: 0.32rem; }
  .hero-content .title,
  .title { font-size: 0.44rem; letter-spacing: 0.02rem; }
  .keywords span { font-size: 0.22rem; min-width: auto; }
  .store-row {
    flex-direction: column;
    margin-top: 0.48rem;
  }
  .store-btn { margin: 0.08rem 0; }
  .feature-content,
  .feature-content.tr,
  .feature-content.tl {
    padding: 2rem 0.36rem 0;
    text-align: left;
  }
  .tr { text-align: left; }
  .stories-copy { padding: 1.6rem 0.32rem 0; }
  .story-stage {
    position: relative;
    left: auto;
    top: auto;
    width: auto;
    height: auto;
    transform: none;
    display: flex;
    flex-direction: row;
    flex-wrap: wrap;
    justify-content: center;
    padding: 0.2rem 0.16rem 1.2rem;
  }
  .story-item,
  .screen.on .story-item {
    position: relative;
    left: auto !important;
    top: auto !important;
    margin: 0.16rem;
    opacity: 1;
    transform: scale(0.92);
  }
  .story-item .name,
  .story-item .intro { display: none; }
  .screen-foot { height: auto; min-height: 40vh; padding-bottom: 0.8rem; }
  .dock { display: none; }
}