/* ============================================================
   电玩王国 · 下载落地页
   深色霓虹赛博电玩风 / 移动优先
   ============================================================ */

:root{
  --bg:#08040f;
  --bg-2:#120726;
  --ink:#f6f0ff;
  --ink-dim:#b9a8d6;
  --ink-mute:#8b7aa8;
  --pink:#ff2e88;
  --pink-2:#ff6bb5;
  --cyan:#22e3ff;
  --violet:#a855f7;
  --gold:#ffd75e;
  --lime:#7dff9b;
  --line:rgba(255,255,255,.10);
  --panel:rgba(30,14,58,.62);
  --panel-2:rgba(20,9,40,.78);
  --radius:20px;
  --shadow:0 24px 60px -20px rgba(0,0,0,.85);
  --glow-pink:0 0 40px rgba(255,46,136,.45);
  --maxw:1180px;
  --nav-h:64px;
}

*{box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{
  margin:0;
  background:var(--bg);
  color:var(--ink);
  font-family:-apple-system,BlinkMacSystemFont,"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei",system-ui,sans-serif;
  line-height:1.6;
  overflow-x:hidden;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none;-webkit-tap-highlight-color:transparent}
h1,h2,h3{margin:0;line-height:1.18;letter-spacing:.01em}
p{margin:0}
em{font-style:normal}

/* ---------------- 背景特效 ---------------- */
.bg-layer{position:fixed;inset:0;z-index:0;overflow:hidden;pointer-events:none}
.bg-layer::before{
  content:"";position:absolute;inset:0;
  background:
    radial-gradient(1200px 600px at 20% -10%,rgba(168,85,247,.35),transparent 60%),
    radial-gradient(1000px 500px at 90% 5%,rgba(255,46,136,.22),transparent 60%),
    radial-gradient(900px 700px at 50% 110%,rgba(34,227,255,.16),transparent 60%),
    linear-gradient(180deg,#08040f 0%,#0d0620 40%,#08040f 100%);
}
.bg-grid{
  position:absolute;inset:-10%;
  background-image:
    linear-gradient(rgba(168,85,247,.10) 1px,transparent 1px),
    linear-gradient(90deg,rgba(168,85,247,.10) 1px,transparent 1px);
  background-size:46px 46px;
  mask-image:radial-gradient(ellipse 70% 60% at 50% 30%,#000 25%,transparent 78%);
  -webkit-mask-image:radial-gradient(ellipse 70% 60% at 50% 30%,#000 25%,transparent 78%);
  animation:gridDrift 24s linear infinite;
}
@keyframes gridDrift{to{transform:translate(46px,46px)}}
.orb{position:absolute;border-radius:50%;opacity:.55;will-change:transform}
.orb-1{width:480px;height:480px;background:radial-gradient(circle closest-side,#ff2e88 28%,rgba(255,46,136,.28) 55%,rgba(255,46,136,0) 100%);top:-150px;left:-170px;animation:float1 18s ease-in-out infinite}
.orb-2{width:420px;height:420px;background:radial-gradient(circle closest-side,#22e3ff 28%,rgba(34,227,255,.28) 55%,rgba(34,227,255,0) 100%);top:34%;right:-180px;animation:float2 22s ease-in-out infinite}
.orb-3{width:520px;height:520px;background:radial-gradient(circle closest-side,#a855f7 28%,rgba(168,85,247,.28) 55%,rgba(168,85,247,0) 100%);bottom:-210px;left:15%;animation:float1 26s ease-in-out infinite reverse}
@keyframes float1{50%{transform:translate3d(60px,50px,0) scale(1.12)}}
@keyframes float2{50%{transform:translate3d(-70px,40px,0) scale(1.08)}}
#sparks{position:absolute;inset:0;width:100%;height:100%}
.scanlines{
  position:absolute;inset:0;opacity:.35;
  background:repeating-linear-gradient(180deg,rgba(255,255,255,.045) 0 1px,transparent 1px 3px);
  animation:scan 8s linear infinite;
}
@keyframes scan{to{transform:translateY(3px)}}
.noise{
  position:absolute;inset:0;opacity:.035;
  background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='120' height='120'%3E%3Cfilter id='n'%3E%3CfeTurbulence baseFrequency='.9'/%3E%3C/filter%3E%3Crect width='120' height='120' filter='url(%23n)'/%3E%3C/svg%3E");
}

/* ---------------- 通用 ---------------- */
main{position:relative;z-index:1}
.section{max-width:var(--maxw);margin:0 auto;padding:84px 18px 0}
.sec-head{max-width:640px;margin-bottom:30px}
.sec-label{
  display:inline-block;font-size:11px;letter-spacing:.22em;font-weight:700;
  color:var(--cyan);text-transform:uppercase;margin-bottom:14px;
  padding:5px 12px;border:1px solid rgba(34,227,255,.32);border-radius:999px;
  background:rgba(34,227,255,.07);
}
.sec-head h2{
  font-size:clamp(24px,7.2vw,42px);font-weight:900;letter-spacing:-.01em;margin-bottom:12px;
}
.sec-head h2 em{
  background:linear-gradient(96deg,var(--pink),var(--gold) 55%,var(--cyan));
  -webkit-background-clip:text;background-clip:text;color:transparent;
}
.sec-head p{color:var(--ink-dim);font-size:14.5px}

.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:12px;
  position:relative;border:0;cursor:pointer;font:inherit;font-weight:800;
  border-radius:14px;padding:14px 22px;color:#fff;overflow:hidden;
  transition:transform .22s cubic-bezier(.2,.7,.3,1),box-shadow .22s;
  will-change:transform;
}
.btn svg{width:24px;height:24px;fill:currentColor;flex:none}
.btn-lines{display:flex;flex-direction:column;line-height:1.22;text-align:left}
.btn-lines b{font-size:15px;font-weight:900;letter-spacing:.02em}
.btn-lines i{font-size:11px;font-weight:500;opacity:.82;font-style:normal}
.btn::after{
  content:"";position:absolute;top:0;left:-120%;width:60%;height:100%;
  background:linear-gradient(100deg,transparent,rgba(255,255,255,.42),transparent);
  transform:skewX(-18deg);
}
.btn:hover::after{animation:sheen .9s ease}
@keyframes sheen{to{left:130%}}
.btn-android{
  background:linear-gradient(135deg,#00d3a7,#22e3ff 40%,#7d5cff);
  box-shadow:0 12px 30px -10px rgba(34,227,255,.7),inset 0 1px 0 rgba(255,255,255,.35);
}
.btn-ios{
  background:linear-gradient(135deg,#ff2e88,#a855f7);
  box-shadow:0 12px 30px -10px rgba(255,46,136,.65),inset 0 1px 0 rgba(255,255,255,.3);
}
.btn:hover{transform:translateY(-3px)}
.btn:active{transform:translateY(0) scale(.985)}

/* ---------------- 顶部滚动光条 ---------------- */
.progress{
  position:fixed;top:0;left:0;height:2px;width:0;z-index:90;
  background:linear-gradient(90deg,var(--pink),var(--gold) 45%,var(--cyan));
  box-shadow:0 0 14px rgba(34,227,255,.85);
  transition:width .1s linear;
}

/* ---------------- 导航 ---------------- */
.nav{position:fixed;top:0;left:0;right:0;z-index:60;transition:.35s cubic-bezier(.2,.7,.3,1)}
.nav-inner{
  max-width:var(--maxw);margin:0 auto;height:var(--nav-h);
  padding:0 16px;display:flex;align-items:center;gap:18px;
}
.nav.scrolled{
  background:rgba(10,5,20,.78);
  backdrop-filter:blur(18px) saturate(150%);
  -webkit-backdrop-filter:blur(18px) saturate(150%);
  border-bottom:1px solid var(--line);
  box-shadow:0 10px 40px -20px rgba(0,0,0,.9);
}
.nav.scrolled .nav-inner{height:58px}
.brand{display:flex;align-items:center;gap:10px;flex:none}
.brand img{
  width:40px;height:40px;border-radius:12px;
  box-shadow:0 0 0 1px rgba(255,255,255,.14),0 6px 18px -6px rgba(255,46,136,.7);
}
.brand-text{display:flex;flex-direction:column;line-height:1.15}
.brand-text b{font-size:16px;font-weight:900;letter-spacing:.02em}
.brand-text i{font-size:9px;letter-spacing:.24em;color:var(--ink-mute);font-style:normal}
.nav-links{display:none;margin-left:auto;gap:28px;font-size:14px;color:var(--ink-dim)}
.nav-links a{position:relative;transition:color .2s}
.nav-links a::after{
  content:"";position:absolute;left:0;right:100%;bottom:-6px;height:2px;border-radius:2px;
  background:linear-gradient(90deg,var(--pink),var(--cyan));transition:right .28s;
}
.nav-links a:hover{color:#fff}
.nav-links a:hover::after{right:0}
.btn-nav{
  margin-left:auto;padding:10px 18px;font-size:13.5px;
  background:linear-gradient(135deg,var(--pink),var(--violet));
  box-shadow:0 10px 24px -12px rgba(255,46,136,.9);
}
@media(min-width:900px){
  .nav-links{display:flex}
  .btn-nav{margin-left:0}
}

/* ---------------- Hero ---------------- */
.hero{
  /* ⛔ 不能加 overflow:hidden：会把 orb 光球裁出一条竖直硬边（2026-10-11 实测）。
     防横向滚动由 body 的 overflow-x:hidden 兜底 */
  position:relative;min-height:100svh;
  padding:calc(var(--nav-h) + 28px) 18px 90px;
  max-width:var(--maxw);margin:0 auto;
  display:flex;flex-direction:column;align-items:center;gap:34px;
}
.hero-glow{
  position:absolute;top:6%;left:50%;transform:translateX(-50%);
  width:min(760px,120vw);height:420px;pointer-events:none;
  background:radial-gradient(ellipse at center,rgba(255,46,136,.34),rgba(168,85,247,.18) 42%,transparent 70%);
  filter:blur(30px);
}
.hero-copy{position:relative;text-align:center;max-width:620px}
.hero-badge{
  display:inline-flex;align-items:center;gap:8px;
  font-size:11.5px;font-weight:700;letter-spacing:.06em;color:#ffd9ec;
  padding:7px 14px;border-radius:999px;margin-bottom:18px;
  background:linear-gradient(90deg,rgba(255,46,136,.22),rgba(34,227,255,.18));
  border:1px solid rgba(255,255,255,.16);
  backdrop-filter:blur(8px);
}
.hero-badge .dot{
  width:7px;height:7px;border-radius:50%;background:var(--lime);
  box-shadow:0 0 0 0 rgba(125,255,155,.7);animation:pulse 2s infinite;
}
@keyframes pulse{70%{box-shadow:0 0 0 9px rgba(125,255,155,0)}100%{box-shadow:0 0 0 0 rgba(125,255,155,0)}}
.hero-title{display:flex;flex-direction:column;gap:2px;margin-bottom:16px}
.hero-title .line-1{
  font-size:clamp(52px,17.5vw,92px);font-weight:900;letter-spacing:.02em;line-height:1;
  background:linear-gradient(180deg,#fff 6%,#ffd9f0 42%,#ff2e88 96%);
  -webkit-background-clip:text;background-clip:text;color:transparent;
  filter:drop-shadow(0 6px 24px rgba(255,46,136,.55));
}
.hero-title .line-2{
  font-size:clamp(15px,4.6vw,26px);font-weight:800;letter-spacing:.42em;
  color:#e9dcff;text-indent:.42em;
  text-shadow:0 0 22px rgba(34,227,255,.6);
}
.hero-sub{color:var(--ink-dim);font-size:14.5px;margin:14px auto 20px;max-width:460px}
.hero-sub b{color:var(--gold);font-weight:900}
.hero-tags{display:flex;flex-wrap:wrap;gap:8px;justify-content:center;margin-bottom:26px}
.hero-tags span{
  font-size:12px;padding:6px 13px;border-radius:999px;color:#e2d6ff;
  background:rgba(255,255,255,.06);border:1px solid var(--line);
}
.hero-cta{display:flex;flex-direction:column;gap:12px;max-width:420px;margin:0 auto}
.hero-cta .btn{width:100%;padding:15px 20px}
.hero-meta{
  display:flex;align-items:center;justify-content:center;gap:10px;flex-wrap:wrap;
  margin-top:20px;font-size:12.5px;color:var(--ink-mute);
}
.hero-meta b{color:var(--gold);font-weight:900}
.stars{color:var(--gold);letter-spacing:2px;font-size:13px}
.hero-meta .sep{width:1px;height:12px;background:var(--line)}

/* 手机 */
.hero-phone{position:relative;margin-top:-6px}
.phone-halo{
  position:absolute;inset:-60px -40px;border-radius:50%;
  background:conic-gradient(from 0deg,rgba(255,46,136,.5),rgba(34,227,255,.45),rgba(168,85,247,.5),rgba(255,46,136,.5));
  -webkit-mask-image:radial-gradient(closest-side,#000 25%,transparent 72%);
  mask-image:radial-gradient(closest-side,#000 25%,transparent 72%);
  opacity:.8;animation:none;
}
/* ⚠️ 此元素禁止加任何 animation（旋转/透明度都不行）：Chrome 下动画会让
   mask 光栅化失效，露出 halo 矩形硬边（2026-10-11 实测，t3/t5 对照验证）*/
.phone{
  position:relative;width:min(262px,68vw);aspect-ratio:9/19.2;
  border-radius:42px;padding:9px;
  background:linear-gradient(150deg,#3a2b5e,#130a24 40%,#2a1b48);
  box-shadow:
    0 0 0 1.5px rgba(255,255,255,.16),
    0 0 0 8px rgba(12,6,24,.9),
    0 30px 70px -24px rgba(0,0,0,.95),
    0 0 70px -10px rgba(168,85,247,.6);
}
.phone-notch{
  position:absolute;top:16px;left:50%;transform:translateX(-50%);
  width:78px;height:20px;border-radius:999px;background:#0a0514;z-index:3;
  box-shadow:inset 0 0 0 1px rgba(255,255,255,.08);
}
.phone-screen{
  position:relative;width:100%;height:100%;border-radius:34px;overflow:hidden;
  background:#100722;
}
.demo-video{width:100%;height:100%;object-fit:cover}
.screen-shine{
  position:absolute;inset:0;pointer-events:none;
  background:linear-gradient(118deg,rgba(255,255,255,.20) 0 12%,transparent 34%,transparent 78%,rgba(255,255,255,.09) 92%);
}
.phone-btn{position:absolute;background:linear-gradient(180deg,#3d2c60,#1a0f2e);border-radius:3px}
.btn-power{right:-3px;top:26%;width:3px;height:60px}
.btn-vol{left:-3px;top:20%;width:3px;height:44px}
.float-deco{position:absolute;pointer-events:none}
.deco-machine{
  width:clamp(96px,26vw,140px);right:-8%;bottom:6%;
  filter:drop-shadow(0 0 24px rgba(34,227,255,.75));
  animation:bob 5.2s ease-in-out infinite;
}
.deco-coin{
  width:26px;height:26px;border-radius:50%;opacity:.95;
  background:radial-gradient(circle at 32% 28%,#fff8d4,#ffd75e 42%,#e09a10 82%);
  box-shadow:0 0 20px rgba(255,215,94,.85),inset 0 -3px 5px rgba(150,80,0,.45);
  position:relative;
}
.deco-coin::after{
  content:"";position:absolute;inset:5px;border-radius:50%;
  border:1.5px solid rgba(150,85,0,.45);
}
.c1{top:8%;left:-9%;animation:bob 4.2s ease-in-out infinite}
.c2{top:44%;right:-11%;width:19px;height:19px;animation:bob 5.6s ease-in-out .6s infinite}
.c3{bottom:16%;left:-13%;width:14px;height:14px;opacity:.72;animation:bob 6.4s ease-in-out .3s infinite}
@keyframes bob{50%{transform:translateY(-14px) rotate(3deg)}}

.scroll-hint{
  display:flex;flex-direction:column;align-items:center;gap:8px;
  font-size:11px;letter-spacing:.16em;color:var(--ink-mute);margin-top:auto;
}
.scroll-hint .mouse{
  width:20px;height:32px;border-radius:12px;border:1.5px solid rgba(255,255,255,.28);position:relative;
}
.scroll-hint .mouse::after{
  content:"";position:absolute;top:6px;left:50%;transform:translateX(-50%);
  width:3px;height:7px;border-radius:2px;background:var(--cyan);animation:wheel 1.6s infinite;
}
@keyframes wheel{55%{transform:translate(-50%,10px);opacity:0}100%{opacity:0}}

@media(min-width:880px){
  .hero{
    flex-direction:row;justify-content:space-between;align-items:center;
    padding:104px 24px 96px;gap:40px;min-height:min(100svh,820px);
  }
  .hero-copy{text-align:left;flex:1 1 52%}
  .hero-sub{margin-left:0;margin-right:0}
  .hero-tags{justify-content:flex-start}
  .hero-cta{flex-direction:row;margin:0;max-width:none}
  .hero-cta .btn{padding:15px 22px}
  .hero-meta{justify-content:flex-start}
  .hero-phone{flex:1 1 44%;display:flex;justify-content:center}
  .hero-phone .phone{width:min(300px,30vw)}
  .scroll-hint{position:absolute;bottom:26px;left:50%;transform:translateX(-50%)}
  .gcard{width:262px}
  .gcard.wide{width:420px}
  .snap{width:276px}
  .section{padding-top:104px}
}

/* ---------------- 跑马灯 ---------------- */
.marquee{
  position:relative;z-index:1;margin:44px 0 0;overflow:hidden;
  padding:14px 0;border-top:1px solid var(--line);border-bottom:1px solid var(--line);
  background:linear-gradient(90deg,rgba(255,46,136,.10),rgba(34,227,255,.08),rgba(168,85,247,.12));
  -webkit-mask-image:linear-gradient(90deg,transparent,#000 8%,#000 92%,transparent);
  mask-image:linear-gradient(90deg,transparent,#000 8%,#000 92%,transparent);
}
.marquee-track{display:flex;align-items:center;gap:26px;width:max-content;animation:slide 42s linear infinite}
.marquee-track span{font-size:15px;font-weight:800;color:#efe4ff;white-space:nowrap;letter-spacing:.04em}
.marquee-track span:nth-child(4n+1){color:#ffd9ec}
.marquee-track span:nth-child(4n+3){color:#d9f4ff}
.marquee-track i{color:var(--pink);font-size:9px;font-style:normal}
@keyframes slide{to{transform:translateX(-50%)}}

/* ---------------- 横向滚动 ---------------- */
.hscroll,.snap-row{
  display:flex;gap:16px;overflow-x:auto;scroll-snap-type:x mandatory;
  padding:6px 18px 26px;margin:0 -18px;
  scrollbar-width:none;-webkit-overflow-scrolling:touch;
}
.hscroll::-webkit-scrollbar,.snap-row::-webkit-scrollbar{display:none}
.hscroll>*,.snap-row>*{scroll-snap-align:center;flex:0 0 auto}
.scroll-rail{
  height:3px;border-radius:3px;background:rgba(255,255,255,.08);
  margin:-10px 18px 0;position:relative;overflow:hidden;
}
.scroll-rail span{
  position:absolute;top:0;left:0;height:100%;width:22%;border-radius:3px;
  background:linear-gradient(90deg,var(--pink),var(--cyan));
  box-shadow:0 0 12px rgba(34,227,255,.8);transition:transform .08s linear;
}

/* 游戏卡 */
.gcard{
  position:relative;
  width:min(66vw,230px);border-radius:var(--radius);overflow:hidden;
  background:var(--panel);border:1px solid var(--line);
  box-shadow:var(--shadow);backdrop-filter:blur(10px);
  transition:transform .3s cubic-bezier(.2,.7,.3,1),box-shadow .3s;
}
.gcard::before{
  content:"";position:absolute;inset:0;border-radius:var(--radius);padding:1.4px;
  background:linear-gradient(135deg,var(--pink),var(--cyan) 50%,var(--gold));
  -webkit-mask:linear-gradient(#000 0 0) content-box,linear-gradient(#000 0 0);
  -webkit-mask-composite:xor;mask:linear-gradient(#000 0 0) content-box,linear-gradient(#000 0 0);
  mask-composite:exclude;
  opacity:0;transition:opacity .3s;pointer-events:none;z-index:3;
}
.gcard:hover::before{opacity:1}
.gcard.wide{width:min(84vw,380px)}
.gcard-img{position:relative;aspect-ratio:4/5;overflow:hidden;background:#160a2c}
.gcard.wide .gcard-img{aspect-ratio:16/9}
.gcard-img img{
  width:100%;height:100%;object-fit:cover;object-position:center 20%;
  transition:transform .6s cubic-bezier(.2,.7,.3,1);
}
.gcard.wide .gcard-img img{object-position:center 42%}
.gcard-img::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(180deg,transparent 45%,rgba(8,4,15,.85));
}
.gcard:hover{transform:translateY(-6px);box-shadow:0 30px 60px -24px rgba(255,46,136,.5)}
.gcard:hover .gcard-img img{transform:scale(1.06)}
.gcard-meta{position:relative;padding:14px 16px 18px;margin-top:-46px;z-index:2}
.gcard-meta h3{font-size:17px;font-weight:900;margin-bottom:3px}
.gcard-meta p{font-size:12.5px;color:var(--ink-dim)}
.chip{
  position:absolute;top:-14px;right:14px;font-size:10.5px;font-weight:800;
  padding:4px 10px;border-radius:999px;color:#0a0514;background:var(--cyan);
  box-shadow:0 6px 16px -6px rgba(34,227,255,.9);
}
.chip.hot{background:linear-gradient(135deg,#ff2e88,#ff8a3d);color:#fff}
.chip.gold{background:linear-gradient(135deg,#ffd75e,#ffa63d);color:#3a2500}
.chip.new{background:linear-gradient(135deg,#7dff9b,#22e3ff);color:#04231f}

/* 截图 */
.snap{position:relative;width:min(64vw,236px);margin:0;border-radius:18px;overflow:hidden;
  border:1px solid var(--line);box-shadow:var(--shadow);background:#160a2c}
.snap img{width:100%;aspect-ratio:9/16;object-fit:cover;object-position:center 26%;transition:transform .5s}
.snap figcaption{
  position:absolute;left:0;right:0;bottom:0;padding:26px 14px 12px;
  font-size:12px;font-weight:700;color:#f0e6ff;
  background:linear-gradient(transparent,rgba(8,4,15,.92));
}
.snap:hover img{transform:scale(1.05)}

/* ---------------- 特色 ---------------- */
.feat-grid{display:grid;gap:14px;grid-template-columns:repeat(2,1fr)}
.feat{
  position:relative;padding:22px 18px 24px;border-radius:var(--radius);
  background:linear-gradient(160deg,rgba(40,20,74,.72),rgba(18,8,36,.72));
  border:1px solid var(--line);overflow:hidden;
  transition:transform .3s,border-color .3s;
}
.feat::before{
  content:"";position:absolute;inset:0;opacity:0;transition:opacity .3s;
  background:radial-gradient(300px 160px at 80% 0%,rgba(255,46,136,.22),transparent 70%);
}
.feat:hover{transform:translateY(-5px);border-color:rgba(255,46,136,.4)}
.feat:hover::before{opacity:1}
.feat-ico{
  width:46px;height:46px;border-radius:14px;display:grid;place-items:center;margin-bottom:14px;
  background:linear-gradient(140deg,rgba(255,46,136,.35),rgba(34,227,255,.3));
  border:1px solid rgba(255,255,255,.16);
  box-shadow:0 10px 26px -12px rgba(34,227,255,.85);
}
.feat-ico svg{width:24px;height:24px;fill:#fff}
.feat h3{font-size:16.5px;font-weight:900;margin-bottom:7px}
.feat p{font-size:13px;color:var(--ink-dim)}
@media(min-width:760px){.feat-grid{grid-template-columns:repeat(4,1fr)}}

/* ---------------- 数据 ---------------- */
.stats{padding-top:74px}
.stats-card{
  display:grid;grid-template-columns:repeat(2,1fr);gap:22px 10px;
  padding:30px 20px;border-radius:26px;
  background:linear-gradient(120deg,rgba(255,46,136,.14),rgba(34,227,255,.10),rgba(168,85,247,.16));
  border:1px solid var(--line);box-shadow:var(--shadow);position:relative;overflow:hidden;
}
.stats-card::after{
  content:"";position:absolute;top:-50%;left:-20%;width:60%;height:200%;
  background:linear-gradient(90deg,transparent,rgba(255,255,255,.07),transparent);
  transform:rotate(18deg);animation:sweep 6s ease-in-out infinite;
}
@keyframes sweep{50%{left:60%}}
.stat{text-align:center;position:relative;z-index:1}
.stat b{
  display:block;font-size:clamp(28px,8.4vw,40px);font-weight:900;line-height:1.1;
  background:linear-gradient(180deg,#fff,#ffd0ea 60%,#ff2e88);
  -webkit-background-clip:text;background-clip:text;color:transparent;
}
.stat span{font-size:12.5px;color:var(--ink-dim)}
@media(min-width:700px){.stats-card{grid-template-columns:repeat(4,1fr)}}

/* ---------------- 下载 ---------------- */
.dl-card{
  position:relative;overflow:hidden;border-radius:28px;
  padding:32px 20px;display:flex;flex-direction:column;gap:28px;
  background:linear-gradient(150deg,rgba(46,20,84,.9),rgba(14,7,30,.94));
  border:1px solid rgba(255,255,255,.14);box-shadow:var(--shadow);
}
.dl-glow{
  position:absolute;top:-140px;right:-100px;width:420px;height:420px;border-radius:50%;
  background:radial-gradient(circle,rgba(255,46,136,.45),transparent 68%);filter:blur(20px);
}
.dl-left{position:relative;text-align:center}
.dl-logo{
  width:84px;height:84px;border-radius:22px;margin:0 auto 16px;
  box-shadow:0 0 0 1px rgba(255,255,255,.18),0 18px 40px -16px rgba(255,46,136,.9);
}
.dl-left h2{font-size:clamp(22px,6.4vw,32px);font-weight:900;margin-bottom:8px}
.dl-left>p{color:var(--ink-dim);font-size:14px;margin-bottom:20px}
.dl-list{list-style:none;margin:0;padding:0;display:grid;gap:10px;text-align:left;max-width:420px;margin-inline:auto}
.dl-list li{display:flex;gap:12px;align-items:flex-start;font-size:13px;color:var(--ink-dim)}
.dl-list i{
  flex:none;width:22px;height:22px;border-radius:50%;display:grid;place-items:center;
  font-size:11.5px;font-weight:900;font-style:normal;color:#0a0514;
  background:linear-gradient(140deg,var(--cyan),var(--lime));
}
.dl-right{position:relative;display:flex;flex-direction:column;gap:12px;max-width:440px;width:100%;margin:0 auto}
.dl-right .btn.lg{padding:17px 22px}
.dl-note{text-align:center;font-size:11.5px;color:var(--ink-mute);margin-top:4px}
@media(min-width:880px){
  .dl-card{flex-direction:row;align-items:center;gap:44px;padding:44px}
  .dl-left{flex:1 1 52%;text-align:left}
  .dl-logo{margin-left:0}
  .dl-list{margin-inline:0}
  .dl-right{flex:0 1 380px;margin:0}
  .dl-note{text-align:left}
}

/* ---------------- FAQ ---------------- */
.faq-list{display:grid;gap:10px}
.faq-item{
  border-radius:16px;border:1px solid var(--line);
  background:rgba(24,11,48,.6);backdrop-filter:blur(8px);
  overflow:hidden;transition:border-color .25s,background .25s;
}
.faq-item[open]{border-color:rgba(34,227,255,.4);background:rgba(30,15,58,.8)}
.faq-item summary{
  list-style:none;cursor:pointer;padding:17px 44px 17px 18px;position:relative;
  font-size:14.5px;font-weight:800;
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary::after{
  content:"";position:absolute;right:18px;top:50%;width:9px;height:9px;
  border-right:2px solid var(--cyan);border-bottom:2px solid var(--cyan);
  transform:translateY(-70%) rotate(45deg);transition:transform .25s;
}
.faq-item[open] summary::after{transform:translateY(-30%) rotate(225deg)}
.faq-item p{padding:0 18px 18px;font-size:13.5px;color:var(--ink-dim)}

/* ---------------- Footer ---------------- */
.footer{margin-top:84px;border-top:1px solid var(--line);background:rgba(6,3,12,.7)}
.foot-inner{
  max-width:var(--maxw);margin:0 auto;padding:36px 18px 118px;
  display:flex;flex-direction:column;gap:22px;
}
.foot-brand{display:flex;align-items:center;gap:13px}
.foot-brand img{border-radius:16px;box-shadow:0 0 0 1px rgba(255,255,255,.14)}
.foot-brand b{display:block;font-size:16px;font-weight:900}
.foot-brand span{font-size:12px;color:var(--ink-mute)}
.foot-links{display:flex;flex-wrap:wrap;gap:8px 22px;font-size:13.5px;color:var(--ink-dim)}
.foot-links a:hover{color:var(--cyan)}
.foot-legal{font-size:11.8px;color:var(--ink-mute);line-height:1.85}
.foot-legal .warn{
  color:#ffc9e2;padding:10px 14px;border-radius:12px;margin-bottom:12px;
  background:rgba(255,46,136,.09);border:1px solid rgba(255,46,136,.24);
}
.foot-legal a{color:var(--ink-dim);text-decoration:underline;text-underline-offset:3px}
@media(min-width:820px){
  .foot-inner{flex-direction:row;justify-content:space-between;align-items:flex-start;flex-wrap:wrap;padding-bottom:56px}
  .foot-brand{flex:0 0 auto}
  .foot-legal{flex:1 1 100%;max-width:640px;margin-left:auto;text-align:right}
  .foot-legal .warn{text-align:right}
}

/* ---------------- 吸底下载条 ---------------- */
.bottom-bar{
  position:fixed;left:0;right:0;bottom:0;z-index:70;
  display:flex;align-items:center;gap:12px;
  padding:10px 14px calc(10px + env(safe-area-inset-bottom));
  background:rgba(10,5,20,.9);backdrop-filter:blur(20px) saturate(150%);
  -webkit-backdrop-filter:blur(20px) saturate(150%);
  border-top:1px solid var(--line);
  transform:translateY(115%);transition:transform .38s cubic-bezier(.2,.7,.3,1);
}
.bottom-bar.show{transform:translateY(0)}
.bb-text{display:flex;flex-direction:column;line-height:1.25;min-width:0;flex:1}
.bb-text b{font-size:14px;font-weight:900}
.bb-text span{font-size:10.5px;color:var(--ink-mute);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.bb-btns{display:flex;gap:8px;flex:none}
.btn.bb-android{background:linear-gradient(135deg,#00d3a7,#22e3ff);padding:10px 16px;font-size:13px;border-radius:12px}
.btn.bb-ios{background:linear-gradient(135deg,#ff2e88,#a855f7);padding:10px 14px;font-size:13px;border-radius:12px}
@media(min-width:820px){.bottom-bar{display:none}}

/* ---------------- Toast ---------------- */
.toast{
  position:fixed;left:50%;bottom:96px;transform:translate(-50%,20px);
  z-index:99;padding:12px 20px;border-radius:14px;font-size:13.5px;font-weight:700;
  background:rgba(20,10,40,.95);border:1px solid rgba(34,227,255,.45);
  color:#eaf7ff;box-shadow:0 18px 40px -18px rgba(0,0,0,.9),0 0 30px -10px rgba(34,227,255,.6);
  opacity:0;pointer-events:none;transition:.3s;
  max-width:min(86vw,420px);text-align:center;
}
.toast.show{opacity:1;transform:translate(-50%,0)}

/* ---------------- 滚动渐入 ---------------- */
.reveal{opacity:0;transform:translateY(26px);transition:opacity .7s cubic-bezier(.2,.7,.3,1),transform .7s cubic-bezier(.2,.7,.3,1)}
.reveal.in{opacity:1;transform:none}
.hscroll .reveal:nth-child(2),.snap-row .reveal:nth-child(2){transition-delay:.08s}
.hscroll .reveal:nth-child(3),.snap-row .reveal:nth-child(3){transition-delay:.16s}
.hscroll .reveal:nth-child(4),.snap-row .reveal:nth-child(4){transition-delay:.24s}
.hscroll .reveal:nth-child(5),.snap-row .reveal:nth-child(5){transition-delay:.32s}
.hscroll .reveal:nth-child(6),.snap-row .reveal:nth-child(6){transition-delay:.4s}
.feat-grid .reveal:nth-child(2){transition-delay:.08s}
.feat-grid .reveal:nth-child(3){transition-delay:.16s}
.feat-grid .reveal:nth-child(4){transition-delay:.24s}

@media(prefers-reduced-motion:reduce){
  *{animation-duration:.001ms !important;animation-iteration-count:1 !important;transition-duration:.001ms !important}
  .reveal{opacity:1;transform:none}
}

/* ---------------- SEO 内容导航 ---------------- */
.hub-grid{display:grid;gap:12px;grid-template-columns:repeat(3,1fr)}
@media(max-width:760px){.hub-grid{grid-template-columns:repeat(2,1fr)}}
@media(max-width:400px){.hub-grid{grid-template-columns:1fr}}
.hub{display:block;padding:16px 16px 18px;border-radius:14px;border:1px solid var(--line);
  background:linear-gradient(160deg,rgba(40,20,74,.6),rgba(18,8,36,.6));transition:transform .28s,border-color .28s}
.hub:hover{transform:translateY(-4px);border-color:rgba(255,46,136,.45);text-decoration:none}
.hub b{display:block;font-size:15.5px;color:var(--tx);margin-bottom:5px;font-weight:700}
.hub span{display:block;font-size:12.5px;line-height:1.6;color:var(--tx2,rgba(220,210,240,.68))}
.tag-cloud{margin-top:14px;display:flex;flex-wrap:wrap;gap:8px}
.tag-cloud a{font-size:12.5px;padding:6px 12px;border-radius:999px;border:1px solid var(--line);
  color:var(--tx);background:rgba(255,255,255,.03)}
.tag-cloud a:hover{border-color:var(--acc,rgba(255,46,136,.5));text-decoration:none}