:root{
  --bg:#000000;
  --fg:#f5f5f7;
  --muted:#9696a2;
  --card:#1c1c1e;
  --line:#3a3a3c;
  --c1:#30D158;
  --c2:#2E8DFF;
  --c3:#FF9F0A;
  --c4:#5E5CE6;
  --c5:#BF5AF2;
  --max:1160px;
}

*{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  background:var(--bg);
  color:var(--fg);
  font-family:-apple-system,BlinkMacSystemFont,"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Segoe UI",sans-serif;
  font-size:16px;
  line-height:1.7;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
body::before{
  content:"";
  position:fixed;
  inset:0;
  pointer-events:none;
  z-index:0;
  background:
    radial-gradient(680px 480px at 78% -8%, rgba(94,92,230,.20), transparent 62%),
    radial-gradient(560px 420px at 6% 8%, rgba(46,141,255,.14), transparent 60%),
    radial-gradient(700px 520px at 50% 108%, rgba(191,90,242,.10), transparent 64%);
}
body::after{
  content:"";
  position:fixed;
  inset:0;
  pointer-events:none;
  z-index:0;
  opacity:.45;
  background-image:
    radial-gradient(1px 1px at 12% 18%, rgba(255,255,255,.55), transparent),
    radial-gradient(1px 1px at 32% 62%, rgba(255,255,255,.35), transparent),
    radial-gradient(1px 1px at 54% 26%, rgba(255,255,255,.45), transparent),
    radial-gradient(1px 1px at 71% 74%, rgba(255,255,255,.30), transparent),
    radial-gradient(1px 1px at 88% 38%, rgba(255,255,255,.50), transparent),
    radial-gradient(1px 1px at 24% 88%, rgba(255,255,255,.28), transparent),
    radial-gradient(1px 1px at 64% 92%, rgba(255,255,255,.34), transparent),
    radial-gradient(1px 1px at 92% 86%, rgba(255,255,255,.26), transparent);
  background-size:100% 100%;
}
main,header,footer{position:relative;z-index:1;}
a{color:inherit;}
img{max-width:100%;display:block;}

.wrap{width:100%;max-width:var(--max);margin:0 auto;padding:0 24px;}

/* ---------- nav ---------- */
.nav{
  position:sticky;top:0;z-index:20;
  backdrop-filter:blur(18px);
  -webkit-backdrop-filter:blur(18px);
  background:rgba(0,0,0,.62);
  border-bottom:1px solid rgba(58,58,60,.55);
}
.nav .wrap{display:flex;align-items:center;gap:28px;height:64px;}
.brand{display:flex;align-items:center;gap:10px;font-weight:700;letter-spacing:.02em;text-decoration:none;font-size:17px;}
.brand i{
  width:22px;height:22px;border-radius:7px;display:block;
  background:linear-gradient(135deg,var(--c2),var(--c4) 55%,var(--c5));
  box-shadow:0 4px 14px rgba(94,92,230,.5);
}
.nav nav{display:flex;gap:26px;margin-left:auto;}
.nav nav a{color:var(--muted);text-decoration:none;font-size:14px;transition:color .18s;}
.nav nav a:hover{color:var(--fg);}

/* ---------- buttons ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  border-radius:999px;text-decoration:none;font-weight:600;
  border:1px solid transparent;transition:transform .18s ease,box-shadow .18s ease,background .18s;
  white-space:nowrap;
}
.btn:active{transform:scale(.985);}
.btn-sm{height:36px;padding:0 18px;font-size:14px;background:var(--fg);color:#000;margin-left:8px;}
.btn-sm:hover{box-shadow:0 6px 22px rgba(245,245,247,.18);}
.btn-primary{
  height:52px;padding:0 30px;font-size:16px;
  background:linear-gradient(135deg,var(--c2),var(--c4) 58%,var(--c5));
  color:#fff;box-shadow:0 14px 40px rgba(64,102,230,.42);
}
.btn-primary:hover{box-shadow:0 18px 52px rgba(94,92,230,.55);transform:translateY(-1px);}
.btn-ghost{
  height:52px;padding:0 26px;font-size:15px;
  background:rgba(28,28,30,.72);color:var(--fg);
  border-color:var(--line);
}
.btn-ghost:hover{border-color:#6a6a78;background:rgba(40,40,44,.85);}

/* ---------- hero ---------- */
.hero{padding:84px 0 40px;}
.hero .wrap{display:grid;grid-template-columns:1.02fr .98fr;gap:56px;align-items:center;}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:13px;letter-spacing:.04em;color:var(--muted);
  border:1px solid var(--line);border-radius:999px;padding:5px 14px;margin:0 0 26px;
  background:rgba(28,28,30,.6);
}
.eyebrow b{color:var(--c1);font-weight:600;}
h1{
  font-size:clamp(38px,5.4vw,72px);
  line-height:1.06;letter-spacing:-.03em;margin:0 0 24px;font-weight:700;
}
h1 em{
  font-style:normal;
  background:linear-gradient(100deg,var(--c2),var(--c4) 48%,var(--c5));
  -webkit-background-clip:text;background-clip:text;color:transparent;
}
.lede{color:var(--muted);font-size:clamp(15px,1.5vw,18px);max-width:33em;margin:0 0 34px;}
.cta{display:flex;flex-wrap:wrap;gap:14px;align-items:center;}
.meta{list-style:none;padding:0;margin:22px 0 0;display:flex;flex-wrap:wrap;gap:18px;color:#7c7c88;font-size:13px;}
.meta li{display:flex;align-items:center;gap:7px;}
.meta li::before{content:"";width:5px;height:5px;border-radius:50%;background:var(--c1);opacity:.85;}

/* ---------- phone ---------- */
.stage{position:relative;display:flex;justify-content:center;align-items:center;min-height:520px;}
.stage::before{
  content:"";position:absolute;width:420px;height:420px;border-radius:50%;
  background:radial-gradient(circle,rgba(94,92,230,.30),transparent 66%);
  filter:blur(28px);
}
.phone{
  position:relative;width:262px;aspect-ratio:9/19.2;
  border-radius:42px;padding:9px;background:#0a0a0e;
  border:1px solid rgba(255,255,255,.16);
  box-shadow:0 44px 90px rgba(0,0,0,.85), inset 0 0 0 1px rgba(255,255,255,.05);
}
.phone img{width:100%;height:100%;object-fit:cover;border-radius:34px;}
.phone.back{
  position:absolute;left:2%;top:8%;transform:rotate(-7deg) scale(.9);
  opacity:.55;filter:saturate(.85);
  box-shadow:0 30px 60px rgba(0,0,0,.7);
}
.phone.front{transform:rotate(2.5deg);margin-left:26%;}

/* ---------- ticker ---------- */
.ticker{
  border-top:1px solid rgba(58,58,60,.6);border-bottom:1px solid rgba(58,58,60,.6);
  overflow:hidden;padding:16px 0;margin-top:36px;
  mask-image:linear-gradient(90deg,transparent,#000 8%,#000 92%,transparent);
  -webkit-mask-image:linear-gradient(90deg,transparent,#000 8%,#000 92%,transparent);
}
.ticker-in{display:flex;gap:44px;width:max-content;animation:slide 34s linear infinite;}
.ticker span{font-size:14px;color:#6f6f7c;letter-spacing:.14em;white-space:nowrap;}
@keyframes slide{from{transform:translateX(0)}to{transform:translateX(-50%)}}

/* ---------- section ---------- */
section{padding:96px 0;}
.sec-head{max-width:640px;margin-bottom:52px;}
.sec-kicker{font-size:13px;letter-spacing:.16em;color:var(--c2);margin:0 0 14px;text-transform:uppercase;}
h2{font-size:clamp(28px,3.6vw,44px);line-height:1.18;letter-spacing:-.02em;margin:0 0 18px;font-weight:700;}
.sec-head p{color:var(--muted);margin:0;font-size:16px;}

/* ---------- modules ---------- */
.mods{display:grid;grid-template-columns:repeat(4,1fr);gap:1px;background:rgba(58,58,60,.5);border:1px solid rgba(58,58,60,.5);border-radius:22px;overflow:hidden;}
.mod{background:#0c0c0f;padding:26px 22px 28px;transition:background .2s;}
.mod:hover{background:#14141a;}
.mod i{display:block;width:26px;height:26px;border-radius:8px;margin-bottom:16px;}
.mod h3{margin:0 0 8px;font-size:16px;font-weight:600;letter-spacing:-.01em;}
.mod p{margin:0;font-size:13.5px;color:#82828f;line-height:1.6;}
.mod-cta{text-decoration:none;color:inherit;background:linear-gradient(150deg,rgba(94,92,230,.20),rgba(12,12,15,.92));}
.mod-cta:hover{background:linear-gradient(150deg,rgba(94,92,230,.32),rgba(18,18,26,.95));}
.mod-cta p{color:#a9a9b4;}
.g1{background:linear-gradient(135deg,var(--c1),var(--c2));}
.g2{background:linear-gradient(135deg,var(--c2),var(--c4));}
.g3{background:linear-gradient(135deg,var(--c3),var(--c5));}
.g4{background:linear-gradient(135deg,var(--c4),var(--c5));}
.g5{background:linear-gradient(135deg,var(--c5),var(--c2));}

/* ---------- shots ---------- */
.shots{display:flex;gap:20px;overflow-x:auto;padding:6px max(24px,calc((100vw - var(--max)) / 2 + 24px)) 26px;scroll-snap-type:x mandatory;scrollbar-width:none;}
.shots::-webkit-scrollbar{display:none;}
.shot{flex:0 0 auto;width:204px;scroll-snap-align:center;}
.shot img{border-radius:26px;border:1px solid rgba(58,58,60,.9);box-shadow:0 22px 48px rgba(0,0,0,.65);}
.shot figcaption{margin-top:14px;color:#8b8b98;font-size:13px;text-align:center;}
.shots-hint{color:#5f5f6b;font-size:12.5px;padding:0 max(24px,calc((100vw - var(--max)) / 2 + 24px));margin:0;}

/* ---------- ranking ---------- */
.rank-block{display:grid;grid-template-columns:.9fr 1.1fr;gap:60px;align-items:center;}
.rank-panel{background:linear-gradient(180deg,rgba(28,28,30,.92),rgba(12,12,16,.92));border:1px solid var(--line);border-radius:24px;padding:26px 26px 18px;}
.rank-panel .rp-head{display:flex;justify-content:space-between;align-items:baseline;margin-bottom:18px;}
.rank-panel .rp-head b{font-size:15px;font-weight:600;}
.rank-panel .rp-head span{font-size:12px;color:#6f6f7c;}
.rank-row{display:grid;grid-template-columns:22px 1fr 46px;gap:12px;align-items:center;padding:11px 0;border-top:1px solid rgba(58,58,60,.55);}
.rank-row:first-of-type{border-top:0;}
.rank-row .no{font-size:12px;color:#6a6a78;font-variant-numeric:tabular-nums;}
.rank-row .nm{font-size:14.5px;}
.rank-row .sc{font-size:14px;text-align:right;color:var(--c1);font-variant-numeric:tabular-nums;}

/* ---------- install ---------- */
.steps{display:grid;grid-template-columns:repeat(3,1fr);gap:18px;margin-bottom:46px;}
.step{border:1px solid var(--line);border-radius:18px;padding:24px 22px;background:rgba(20,20,24,.6);}
.step b{display:block;font-size:12px;letter-spacing:.14em;color:var(--c2);margin-bottom:12px;}
.step h3{margin:0 0 8px;font-size:16px;font-weight:600;}
.step p{margin:0;font-size:13.5px;color:#82828f;}
details{border-top:1px solid rgba(58,58,60,.6);padding:16px 0;}
details summary{cursor:pointer;font-size:15px;font-weight:500;list-style:none;}
details summary::-webkit-details-marker{display:none;}
details summary::after{content:"＋";float:right;color:#6f6f7c;font-weight:400;}
details[open] summary::after{content:"－";}
details p{color:var(--muted);font-size:14px;margin:12px 0 0;max-width:60em;}

/* ---------- final cta ---------- */
.final{
  border:1px solid var(--line);border-radius:28px;
  padding:64px 40px;text-align:center;
  background:
    radial-gradient(600px 260px at 50% 0%, rgba(94,92,230,.24), transparent 70%),
    rgba(14,14,18,.86);
  margin-bottom:96px;
}
.final h2{margin-bottom:14px;}
.final p{color:var(--muted);margin:0 auto 32px;max-width:34em;}
.final .note{margin:26px auto 0;font-size:12.5px;color:#5f5f6b;}

/* ---------- footer ---------- */
footer{border-top:1px solid rgba(58,58,60,.6);padding:38px 0 54px;}
footer .wrap{display:flex;flex-wrap:wrap;gap:18px;align-items:center;justify-content:space-between;color:#6a6a78;font-size:13px;}
footer a{color:#6a6a78;text-decoration:none;border-bottom:1px solid rgba(106,106,120,.4);}
footer a:hover{color:var(--fg);}
footer .fl{display:flex;gap:20px;}

/* ---------- legal page ---------- */
.legal{padding:72px 0 96px;max-width:760px;}
.legal h1{font-size:clamp(28px,4vw,40px);margin-bottom:8px;}
.legal .upd{color:#6a6a78;font-size:13px;margin:0 0 44px;}
.legal h2{font-size:19px;margin:38px 0 12px;letter-spacing:0;}
.legal p,.legal li{color:#a9a9b4;font-size:14.5px;}
.legal ul{padding-left:20px;}

@media (max-width:960px){
  .hero .wrap{grid-template-columns:1fr;gap:44px;}
  .stage{min-height:auto;margin-top:8px;}
  .phone.back{display:none;}
  .phone.front{margin-left:0;width:238px;}
  .mods{grid-template-columns:repeat(2,1fr);}
  .rank-block{grid-template-columns:1fr;gap:34px;}
  .steps{grid-template-columns:1fr;}
  section{padding:70px 0;}
  .nav nav{display:none;}
  .nav .btn-sm{margin-left:auto;}
}
@media (max-width:520px){
  .nav .wrap{height:58px;gap:10px;}
  .hero{padding:52px 0 24px;}
  .btn-primary,.btn-ghost{width:100%;}
  .cta{gap:10px;}
  .final{padding:44px 22px;border-radius:22px;}
  .shot{width:200px;}
}
@media (prefers-reduced-motion:reduce){
  *{animation:none!important;transition:none!important;scroll-behavior:auto!important;}
}