:root{
  --bg: #0b0f14;
  --surface: rgba(255,255,255,0.06);
  --surface-2: rgba(255,255,255,0.10);
  --text: rgba(255,255,255,0.92);
  --muted: rgba(255,255,255,0.68);
  --muted-2: rgba(255,255,255,0.56);
  --border: rgba(255,255,255,0.14);
  --shadow: 0 18px 50px rgba(0,0,0,0.45);
  --accent: #07A8E8;
  --accent-2: #59D4FF;
  --accent-ink: #021018;

  --radius: 16px;
  --radius-sm: 12px;

  --container: 1120px;
}

*{ box-sizing: border-box; }
html{ scroll-behavior: smooth; }
body{
  margin: 0;
  font-family: ui-sans-serif, system-ui, -apple-system, Segoe UI, Roboto, Helvetica, Arial, "PingFang SC", "Hiragino Sans GB", "Noto Sans CJK SC", "Microsoft YaHei", sans-serif;
  background:
    radial-gradient(900px 500px at 15% 10%, rgba(7,168,232,0.25), transparent 60%),
    radial-gradient(900px 500px at 85% 20%, rgba(89,212,255,0.12), transparent 60%),
    radial-gradient(900px 500px at 45% 95%, rgba(7,168,232,0.12), transparent 60%),
    var(--bg);
  color: var(--text);
  line-height: 1.55;
}

a{ color: inherit; }
img{ max-width: 100%; height: auto; }

.sr-only{
  position:absolute;
  width:1px;
  height:1px;
  padding:0;
  margin:-1px;
  overflow:hidden;
  clip:rect(0,0,0,0);
  white-space:nowrap;
  border:0;
}

.skip-link{
  position: absolute;
  left: 16px;
  top: 14px;
  padding: 10px 12px;
  border-radius: 10px;
  background: var(--accent);
  color: #021018;
  text-decoration: none;
  transform: translateY(-220%);
  transition: transform 160ms ease;
  z-index: 60;
}
.skip-link:focus{ transform: translateY(0); outline: none; }

.container{
  width: min(var(--container), calc(100% - 40px));
  margin: 0 auto;
}

.site-header{
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(10,14,20,0.65);
  backdrop-filter: blur(16px);
  border-bottom: 1px solid rgba(255,255,255,0.08);
}

.nav{
  width: min(var(--container), calc(100% - 40px));
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 14px 0;
  gap: 16px;
}

.brand{
  display: inline-flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
}
.brand__logo{
  border-radius: 12px;
  background: rgba(255,255,255,0.85);
  padding: 6px;
  box-shadow: 0 10px 30px rgba(0,0,0,0.35);
}
.brand__name{
  font-weight: 800;
  letter-spacing: 0.2px;
}

.nav__toggle{
  display: none;
  border: 1px solid rgba(255,255,255,0.18);
  background: rgba(255,255,255,0.06);
  border-radius: 12px;
  padding: 10px 12px;
  cursor: pointer;
  color: var(--text);
}
.nav__toggle:focus-visible{ outline: 3px solid rgba(89,212,255,0.45); outline-offset: 2px; }
.nav__toggleBars{
  display: block;
  width: 20px;
  height: 12px;
  position: relative;
}
.nav__toggleBars::before,
.nav__toggleBars::after,
.nav__toggleBars{
  background: transparent;
}
.nav__toggleBars::before,
.nav__toggleBars::after{
  content:"";
  position:absolute;
  left:0;
  right:0;
  height:2px;
  background: rgba(255,255,255,0.85);
  border-radius: 999px;
}
.nav__toggleBars::before{ top:0; box-shadow: 0 5px 0 rgba(255,255,255,0.85); }
.nav__toggleBars::after{ bottom:0; }

.nav__links{
  display: flex;
  align-items: center;
  gap: 14px;
}
.nav__link{
  text-decoration: none;
  color: var(--muted);
  font-weight: 600;
  padding: 9px 10px;
  border-radius: 10px;
  transition: background 160ms ease, color 160ms ease;
}
.nav__link:hover{ background: rgba(255,255,255,0.06); color: var(--text); }
.nav__link:focus-visible{ outline: 3px solid rgba(89,212,255,0.45); outline-offset: 2px; }

.lang{
  display: inline-flex;
  align-items: center;
  padding: 4px;
  border-radius: 999px;
  border: 1px solid rgba(255,255,255,0.16);
  background: rgba(255,255,255,0.06);
}
.lang__btn{
  border: 0;
  background: transparent;
  color: var(--muted);
  font-weight: 700;
  padding: 8px 10px;
  border-radius: 999px;
  cursor: pointer;
}
.lang__btn[aria-pressed="true"]{
  background: rgba(7,168,232,0.22);
  color: var(--text);
}
.lang__btn:focus-visible{ outline: 3px solid rgba(89,212,255,0.45); outline-offset: 2px; }

.hero{
  padding: 64px 0 22px;
}
.hero__grid{
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  gap: 34px;
  align-items: center;
}
.hero__kicker{
  color: rgba(89,212,255,0.92);
  font-weight: 700;
  letter-spacing: 0.2px;
  margin: 0 0 10px;
}
.hero__title{
  margin: 0 0 12px;
  font-size: clamp(34px, 4.2vw, 56px);
  line-height: 1.05;
  letter-spacing: -0.8px;
}
.hero__subtitle{
  margin: 0 0 22px;
  color: var(--muted);
  font-size: clamp(15px, 1.6vw, 18px);
  max-width: 58ch;
}
.hero__cta{
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
  margin-bottom: 22px;
}

.btn{
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  border-radius: 999px;
  padding: 12px 16px;
  font-weight: 800;
  text-decoration: none;
  border: 1px solid transparent;
  transition: transform 120ms ease, background 160ms ease, border-color 160ms ease, color 160ms ease;
}
.btn:active{ transform: translateY(1px); }
.btn--primary{
  background: linear-gradient(135deg, var(--accent), var(--accent-2));
  color: var(--accent-ink);
  box-shadow: 0 18px 50px rgba(7,168,232,0.25);
}
.btn--primary:hover{ filter: brightness(1.03); }
.btn--ghost{
  background: rgba(255,255,255,0.06);
  border-color: rgba(255,255,255,0.14);
  color: var(--text);
}
.btn--ghost:hover{ background: rgba(255,255,255,0.09); }
.btn:focus-visible{ outline: 3px solid rgba(89,212,255,0.45); outline-offset: 2px; }

.hero__stats{
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 10px;
  margin: 0;
}
.stat{
  border: 1px solid rgba(255,255,255,0.12);
  background: rgba(255,255,255,0.06);
  border-radius: var(--radius-sm);
  padding: 12px 12px;
}
.stat__label{
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: 0.8px;
  color: var(--muted-2);
  margin: 0 0 4px;
}
.stat__value{
  margin: 0;
  font-weight: 800;
}

.hero__art{
  display: grid;
  place-items: center;
}
.heroCard{
  position: relative;
  border-radius: 28px;
  border: 1px solid rgba(255,255,255,0.12);
  background:
    radial-gradient(500px 350px at 15% 15%, rgba(89,212,255,0.22), transparent 55%),
    radial-gradient(500px 350px at 85% 85%, rgba(7,168,232,0.18), transparent 55%),
    rgba(255,255,255,0.05);
  box-shadow: var(--shadow);
  padding: 26px 26px;
  overflow: hidden;
}
.heroCard__logo{
  width: min(420px, 72vw);
  max-width: 420px;
  opacity: 0.98;
  filter: drop-shadow(0 24px 38px rgba(0,0,0,0.5));
}
.heroCard__glow{
  position: absolute;
  inset: -80px -60px auto auto;
  width: 260px;
  height: 260px;
  background: radial-gradient(circle, rgba(89,212,255,0.35), transparent 65%);
  transform: rotate(20deg);
  pointer-events: none;
}

.section{
  padding: 64px 0;
}
.section--alt{
  background: rgba(255,255,255,0.03);
  border-top: 1px solid rgba(255,255,255,0.06);
  border-bottom: 1px solid rgba(255,255,255,0.06);
}
.section__head{
  display: flex;
  flex-direction: column;
  gap: 8px;
  margin-bottom: 22px;
}
.section__title{
  margin: 0;
  font-size: clamp(24px, 2.4vw, 34px);
  letter-spacing: -0.2px;
}
.section__subtitle{
  margin: 0;
  color: var(--muted);
  max-width: 70ch;
}

.grid{
  display: grid;
  gap: 14px;
}
.grid--2{ grid-template-columns: repeat(2, minmax(0, 1fr)); }
.grid--3{ grid-template-columns: repeat(3, minmax(0, 1fr)); }

.card{
  border-radius: var(--radius);
  border: 1px solid rgba(255,255,255,0.12);
  background: rgba(255,255,255,0.05);
  padding: 18px;
  box-shadow: 0 10px 40px rgba(0,0,0,0.25);
}
.card--soft{
  background:
    radial-gradient(500px 280px at 20% 10%, rgba(89,212,255,0.10), transparent 60%),
    rgba(255,255,255,0.05);
}
.card__title{
  margin: 0 0 8px;
  font-size: 18px;
  letter-spacing: -0.1px;
}
.card__text{
  margin: 0;
  color: var(--muted);
}

.appCard{
  border-radius: 22px;
  border: 1px solid rgba(255,255,255,0.12);
  background:
    radial-gradient(550px 360px at 20% 10%, rgba(7,168,232,0.10), transparent 62%),
    rgba(255,255,255,0.05);
  padding: 18px;
  box-shadow: 0 10px 40px rgba(0,0,0,0.25);
  display: flex;
  flex-direction: column;
  gap: 10px;
}
.appCard__icon{
  width: 44px;
  height: 44px;
  border-radius: 14px;
  display: grid;
  place-items: center;
  font-weight: 900;
  letter-spacing: 0.2px;
  background: rgba(255,255,255,0.12);
  border: 1px solid rgba(255,255,255,0.14);
  color: rgba(255,255,255,0.92);
}
.appCard__icon--accent{
  background: rgba(7,168,232,0.18);
  border-color: rgba(7,168,232,0.35);
}
.appCard__title{
  margin: 4px 0 0;
  font-size: 18px;
}
.appCard__text{
  margin: 0;
  color: var(--muted);
}

.pillList{
  list-style: none;
  padding: 0;
  margin: 4px 0 0;
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
}
.pill{
  font-size: 12px;
  font-weight: 800;
  letter-spacing: 0.2px;
  color: rgba(255,255,255,0.78);
  padding: 7px 10px;
  border-radius: 999px;
  border: 1px solid rgba(255,255,255,0.14);
  background: rgba(255,255,255,0.05);
}

.storeBtn{
  margin-top: 6px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 11px 12px;
  border-radius: 14px;
  background: rgba(255,255,255,0.06);
  border: 1px solid rgba(255,255,255,0.14);
  color: var(--text);
  text-decoration: none;
  font-weight: 800;
}
.storeBtn:hover{ background: rgba(255,255,255,0.09); }
.storeBtn:focus-visible{ outline: 3px solid rgba(89,212,255,0.45); outline-offset: 2px; }

.why{
  margin-top: 18px;
  border-radius: var(--radius);
  border: 1px solid rgba(255,255,255,0.12);
  background:
    radial-gradient(600px 340px at 15% 30%, rgba(89,212,255,0.10), transparent 60%),
    rgba(255,255,255,0.05);
  padding: 18px;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 14px;
  align-items: start;
}
.why__title{ margin: 0 0 8px; }
.why__text{ margin: 0; color: var(--muted); }

.checkList{
  list-style: none;
  padding: 0;
  margin: 0;
  display: grid;
  gap: 10px;
}
.checkList__item{
  position: relative;
  padding-left: 28px;
  color: rgba(255,255,255,0.86);
  font-weight: 650;
}
.checkList__item::before{
  content:"";
  position:absolute;
  left:0;
  top: 6px;
  width: 14px;
  height: 14px;
  border-radius: 5px;
  background: linear-gradient(135deg, var(--accent), var(--accent-2));
  box-shadow: 0 10px 25px rgba(7,168,232,0.22);
}

.addressBlock{
  margin-top: 14px;
  padding-top: 14px;
  border-top: 1px solid rgba(255,255,255,0.12);
}
.addressBlock__label{
  margin: 0 0 6px;
  font-weight: 900;
  letter-spacing: 0.2px;
}
.addressBlock__text{
  margin: 0 0 6px;
  color: var(--muted);
}

.form{
  border-radius: var(--radius);
  border: 1px solid rgba(255,255,255,0.12);
  background:
    radial-gradient(600px 340px at 80% 10%, rgba(7,168,232,0.10), transparent 60%),
    rgba(255,255,255,0.05);
  padding: 18px;
  box-shadow: 0 10px 40px rgba(0,0,0,0.25);
}
.form__row{ display: grid; gap: 8px; margin-bottom: 12px; }
.label{ font-weight: 850; color: rgba(255,255,255,0.86); }
.input, .textarea{
  width: 100%;
  border-radius: 14px;
  border: 1px solid rgba(255,255,255,0.14);
  background: rgba(0,0,0,0.18);
  color: var(--text);
  padding: 12px 12px;
  font: inherit;
}
.input:focus, .textarea:focus{
  outline: 3px solid rgba(89,212,255,0.35);
  border-color: rgba(89,212,255,0.35);
}
.form__hint{ margin: 10px 0 0; color: var(--muted); min-height: 1.2em; }
.form__fineprint{ margin: 10px 0 0; color: var(--muted-2); font-size: 13px; }

.footer{
  border-top: 1px solid rgba(255,255,255,0.08);
  background: rgba(10,14,20,0.55);
  backdrop-filter: blur(14px);
  padding: 26px 0;
}
.footer__grid{
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  gap: 16px;
  align-items: center;
}
.footer__brand{
  display: inline-flex;
  align-items: center;
  gap: 10px;
}
.footer__logo{
  border-radius: 12px;
  background: rgba(255,255,255,0.85);
  padding: 6px;
}
.footer__name{ font-weight: 900; }
.footer__meta{ color: var(--muted-2); font-size: 13px; }
.footer__links{
  display: inline-flex;
  gap: 10px;
  justify-content: center;
}
.footer__link{
  text-decoration: none;
  padding: 8px 10px;
  border-radius: 10px;
  color: var(--muted);
}
.footer__link:hover{ background: rgba(255,255,255,0.06); color: var(--text); }
.footer__small{
  display: grid;
  justify-items: end;
  gap: 10px;
}
.footer__copy{ color: var(--muted-2); font-size: 13px; text-align: right; }
.lang--footer{ justify-self: end; }

@media (max-width: 920px){
  .hero__grid{ grid-template-columns: 1fr; }
  .hero__art{ order: -1; }
  .grid--3{ grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .why{ grid-template-columns: 1fr; }
  .footer__grid{ grid-template-columns: 1fr; justify-items: start; }
  .footer__small{ justify-items: start; }
  .footer__copy{ text-align: left; }
}

@media (max-width: 720px){
  .nav__toggle{ display: inline-flex; align-items:center; gap: 10px; }
  .nav__links{
    position: absolute;
    left: 20px;
    right: 20px;
    top: 64px;
    display: none;
    flex-direction: column;
    align-items: stretch;
    gap: 8px;
    padding: 12px;
    border-radius: 18px;
    border: 1px solid rgba(255,255,255,0.14);
    background: rgba(10,14,20,0.92);
    box-shadow: var(--shadow);
  }
  .nav__links.is-open{ display: flex; }
  .nav__link{ width: 100%; }
  .lang{ width: fit-content; }

  .grid--2{ grid-template-columns: 1fr; }
  .grid--3{ grid-template-columns: 1fr; }
  .hero__stats{ grid-template-columns: 1fr; }
}

@media (prefers-reduced-motion: reduce){
  html{ scroll-behavior: auto; }
  *{ transition: none !important; }
}