/* Chinese homepage preview only: full-screen smart-insole presale opening. */
.home-presale-hero {
  position: relative;
  min-height: 100svh;
  overflow: hidden;
  color: #fff;
  background:
    radial-gradient(circle at 76% 38%, rgba(45, 105, 255, .24), transparent 34%),
    linear-gradient(112deg, #020914 0%, #061326 54%, #0d1735 100%);
}

.home-presale-grid,
.home-presale-glow {
  position: absolute;
  inset: 0;
  pointer-events: none;
}

.home-presale-grid {
  opacity: .3;
  background-image:
    linear-gradient(rgba(87, 177, 255, .06) 1px, transparent 1px),
    linear-gradient(90deg, rgba(87, 177, 255, .06) 1px, transparent 1px);
  background-size: 64px 64px;
  mask-image: linear-gradient(90deg, #000, transparent 76%);
}

.home-presale-glow {
  left: auto;
  right: -18%;
  top: 4%;
  width: 72%;
  height: 92%;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(51, 137, 255, .17), transparent 66%);
  filter: blur(16px);
}

.home-presale-inner {
  position: relative;
  z-index: 2;
  min-height: 100svh;
  padding-top: 122px;
  padding-bottom: 70px;
  display: flex;
  align-items: center;
}

.home-presale-copy {
  position: relative;
  z-index: 3;
  width: min(620px, 48vw);
  min-width: 0;
  padding: clamp(28px, 2.5vw, 42px);
  border: 0;
  border-radius: 0;
  overflow: visible;
  background: transparent;
  box-shadow: none;
  backdrop-filter: none;
  -webkit-backdrop-filter: none;
}

.home-presale-copy h1,
.home-presale-copy > p,
.home-presale-kicker,
.home-presale-status,
.home-presale-facts {
  text-shadow: 0 3px 20px rgba(0, 0, 0, .72);
}

.home-presale-kicker {
  display: flex;
  align-items: center;
  gap: 9px;
  margin: 0 0 22px;
  width: max-content;
  min-height: 36px;
  padding: 0 18px;
  border: 1px solid rgba(162, 232, 255, .58);
  border-radius: 999px;
  background: linear-gradient(120deg, #2bb7ff 0%, #8b62ff 100%);
  color: #ffffff;
  font-size: 15px;
  font-weight: 600;
  letter-spacing: .01em;
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  text-shadow: none;
}

.home-presale-kicker i {
  position: relative;
  width: 10px;
  height: 10px;
  border-radius: 50%;
  border: 1px solid currentColor;
}

.home-presale-kicker i::before,
.home-presale-kicker i::after {
  content: "";
  position: absolute;
  left: 50%;
  top: 50%;
  transform-origin: 50% 50%;
}

.home-presale-kicker i::before {
  width: 4px;
  height: 1px;
  transform: translate(-50%, -50%);
  background: currentColor;
}

.home-presale-kicker i::after {
  width: 1px;
  height: 3px;
  transform: translate(-50%, -60%);
  background: currentColor;
}

.home-presale-status {
  margin-bottom: 17px;
  display: flex;
  align-items: center;
  gap: 9px;
}

.home-presale-status b,
.home-presale-status span {
  padding: 7px 10px;
  border-radius: 999px;
  font-size: 10px;
  letter-spacing: .06em;
}

.home-presale-status b {
  color: #d9fff3;
  border: 1px solid rgba(78, 232, 181, .34);
  background: rgba(35, 175, 129, .12);
}

.home-presale-status span {
  color: rgba(226, 243, 255, .65);
  border: 1px solid rgba(112, 205, 255, .18);
  background: rgba(255, 255, 255, .04);
}

.home-presale-copy h1 {
  margin: 0;
  font-size: clamp(52px, 4.45vw, 70px);
  line-height: 1.04;
  letter-spacing: -.07em;
}

.home-presale-copy h1 em {
  display: inline-flex;
  margin-top: 5px;
  font-style: normal;
  font-size: .8em;
  letter-spacing: -.055em;
  white-space: nowrap;
  background: none;
  text-shadow: 0 4px 24px rgba(0, 8, 18, .78);
}

.home-presale-slogan-lead { color: #e7f7ff; }
.home-presale-slogan-focus { color: #63d8ff; }

html[lang="en"] .home-presale-copy { width: min(760px, 60vw); }
html[lang="en"] .home-presale-copy h1 {
  font-size: clamp(46px, 4vw, 62px);
  letter-spacing: -.052em;
}
html[lang="en"] .home-presale-copy h1 em {
  gap: .2em;
  font-size: .54em;
  letter-spacing: -.025em;
}

.home-presale-copy > p {
  max-width: 620px;
  margin: 25px 0 29px;
  color: rgba(255, 255, 255, .66);
  font-size: 16px;
  line-height: 1.85;
}

.home-presale-actions {
  margin-top: 30px;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 13px;
}

.home-presale-primary,
.home-presale-secondary {
  min-height: 52px;
  padding: 0 23px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 16px;
  border-radius: 999px;
  font-size: 13px;
  font-weight: 800;
  transition: transform .25s, box-shadow .25s, border-color .25s;
}

.home-presale-primary {
  color: #142138;
  background: #fff;
  box-shadow: 0 14px 34px rgba(5, 15, 31, .18);
}

.home-presale-secondary {
  color: #fff;
  border: 1px solid rgba(255, 255, 255, .16);
  background: linear-gradient(110deg, #42c6ff, #6361ff);
  box-shadow: 0 18px 42px rgba(73, 103, 255, .32);
}

.home-presale-primary:hover,
.home-presale-secondary:hover { transform: translateY(-2px); }

.home-presale-facts {
  margin-top: 38px;
  padding-top: 24px;
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 18px;
  border-top: 1px solid rgba(255, 255, 255, .12);
}

.home-presale-facts strong,
.home-presale-facts span { display: block; }
.home-presale-facts strong { font-size: 14px; }
.home-presale-facts span { margin-top: 7px; color: rgba(255, 255, 255, .4); font-size: 10px; line-height: 1.5; }

.home-presale-promo-card {
  margin-top: 30px;
  max-width: 520px;
  padding: 18px 20px;
  border: 1px solid rgba(255, 255, 255, .18);
  border-radius: 14px;
  background: rgba(1, 11, 24, .32);
  box-shadow: 0 14px 34px rgba(2, 18, 36, .28);
  font-size: 13px;
}
.home-presale-promo-card p {
  margin: 0 0 7px;
  color: rgba(225, 238, 249, .88);
  letter-spacing: .03em;
}
.home-presale-promo-card strong {
  font-size: 30px;
  letter-spacing: -.02em;
}
.home-presale-promo-card span {
  display: block;
  margin-top: 8px;
  color: rgba(235, 241, 255, .66);
}

.home-presale-visual {
  position: absolute;
  z-index: 0;
  top: 0;
  bottom: 0;
  left: 50%;
  width: 100vw;
  margin-left: -50vw;
  min-width: 0;
  overflow: hidden;
  transform: none;
}

.home-presale-visual::after {
  content: "";
  position: absolute;
  z-index: 1;
  inset: 0;
  background:
    linear-gradient(90deg, rgba(2, 9, 20, .2), rgba(2, 9, 20, .08) 62%, rgba(2, 9, 20, .14)),
    linear-gradient(0deg, rgba(2, 9, 20, .42), transparent 42%, rgba(2, 9, 20, .16));
  pointer-events: none;
}

.home-presale-orbit {
  display: none;
}

.home-presale-picture {
  width: 100%;
  height: 100%;
  display: block;
}

.home-presale-visual .home-presale-mobile-backdrop {
  display: none;
}

.home-presale-visual img {
  width: 100%;
  height: 100%;
  display: block;
  object-fit: cover;
  object-position: center center;
  filter: brightness(.78) saturate(1.08);
}

.home-presale-badge {
  position: absolute;
  z-index: 2;
  right: 22px;
  bottom: 22px;
  padding: 10px 13px;
  display: flex;
  align-items: center;
  gap: 9px;
  border: 1px solid rgba(91, 214, 255, .22);
  border-radius: 999px;
  color: rgba(255, 255, 255, .72);
  background: rgba(2, 9, 20, .74);
  backdrop-filter: blur(14px);
  font-size: 10px;
}

.home-presale-badge i {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: #3de0b2;
  box-shadow: 0 0 14px #3de0b2;
}

.home-presale-scroll {
  position: absolute;
  z-index: 5;
  left: 50%;
  bottom: 20px;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 9px;
  color: rgba(255, 255, 255, .42);
  font-size: 8px;
  letter-spacing: .18em;
  transform: translateX(-50%);
}

.home-presale-scroll i {
  width: 1px;
  height: 28px;
  background: linear-gradient(#7bdcff, transparent);
}

@media (max-width: 1080px) {
  .home-presale-copy { width: min(580px, 56vw); }
  .home-presale-copy h1 { font-size: clamp(48px, 5.4vw, 62px); }
}

@media (max-width: 900px) {
  .home-presale-hero { min-height: 100svh; }
  .home-presale-inner {
    min-height: 100svh;
    padding-top: 112px;
    padding-bottom: 78px;
  }
  .home-presale-copy { width: min(590px, 82vw); }
  .home-presale-visual { width: 100vw; }
  .home-presale-visual img { object-position: 58% center; }
  .home-presale-visual::after {
    background: linear-gradient(90deg, rgba(2, 9, 20, .26), rgba(2, 9, 20, .12) 72%, rgba(2, 9, 20, .2));
  }
  .home-presale-scroll { display: none; }
  html[lang="en"] .home-presale-copy { width: min(680px, 82vw); }
}

@media (max-width: 620px) {
  .home-presale-inner { padding-top: 96px; padding-bottom: 54px; }
  .home-presale-copy { width: 100%; }
  .home-presale-copy { padding: 23px 20px; border-radius: 0; backdrop-filter: none; -webkit-backdrop-filter: none; }
  .home-presale-kicker { margin-bottom: 18px; font-size: 13px; min-height: 34px; }
  .home-presale-copy h1 { font-size: 45px; line-height: 1.08; }
  .home-presale-copy > p { margin: 20px 0 24px; font-size: 14px; line-height: 1.75; }
  .home-presale-actions { align-items: stretch; flex-direction: column; }
  .home-presale-primary, .home-presale-secondary { width: 100%; }
  .home-presale-facts { grid-template-columns: 1fr 1fr; gap: 16px; margin-top: 28px; }
  .home-presale-facts div:last-child { grid-column: 1 / -1; }
  .home-presale-picture {
    position: absolute;
    z-index: 0;
    inset: 0;
  }
  .home-presale-visual .home-presale-mobile-backdrop {
    position: absolute;
    z-index: 0;
    inset: 0;
    width: 100%;
    height: 100%;
    display: block;
    border-radius: 0;
    object-fit: cover;
    object-position: center;
    transform: scale(1.12);
    filter: blur(18px) brightness(.42) saturate(1.08);
  }
  .home-presale-picture img {
    border-radius: 0;
    object-fit: contain;
    object-position: center;
    transform: translate(2.15px, 5.89px) scale(1.24);
    filter: brightness(.88) saturate(1.08) drop-shadow(0 18px 28px rgba(0, 0, 0, .32));
  }
  .home-presale-visual::after { background: rgba(2, 9, 20, .22); }
  .home-presale-badge { right: 12px; bottom: 12px; }
  html[lang="en"] .home-presale-copy { width: 100%; }
  html[lang="en"] .home-presale-copy h1 { font-size: 42px; }
  html[lang="en"] .home-presale-copy h1 em {
    flex-direction: column;
    gap: 0;
    font-size: .64em;
    line-height: 1.12;
    white-space: normal;
  }
}

@media (prefers-reduced-motion: reduce) {
  .home-presale-primary,
  .home-presale-secondary { transition: none; }
}