:root{
  --bg:#070a1c; --card:rgba(255,255,255,.04);
  --line:rgba(140,120,255,.18); --line2:rgba(255,255,255,.08);
  --txt:#e7e7f3; --muted:#9aa0c0; --gold:#f5c451; --purple:#8b7bff;
}
*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth;scroll-padding-top:72px}
body{font-family:'PingFang SC','Microsoft YaHei','Helvetica Neue',Arial,sans-serif;background:var(--bg);color:var(--txt);line-height:1.7;-webkit-font-smoothing:antialiased;overflow-x:hidden}
a{color:inherit;text-decoration:none}
img{max-width:100%;display:block}
ul{list-style:none}
.container{max-width:1180px;margin:0 auto;padding:0 20px}

/* NAV */
.nav{position:fixed;top:0;left:0;right:0;z-index:100;background:rgba(7,10,28,.82);backdrop-filter:blur(16px);border-bottom:1px solid var(--line);transition:.3s}
.nav.scrolled{background:rgba(7,10,28,.96);box-shadow:0 2px 40px rgba(0,0,0,.5)}
.nav-in{display:flex;align-items:center;justify-content:space-between;height:66px}
.logo{display:flex;align-items:center;gap:10px;font-size:17px;font-weight:900;letter-spacing:1px}
.logo img{border-radius:8px;box-shadow:0 0 14px rgba(139,123,255,.4)}
#navMenu{display:flex;gap:6px}
#navMenu a{padding:8px 14px;border-radius:8px;font-size:14px;color:var(--muted);transition:.25s}
#navMenu a:hover,#navMenu a.active{color:#fff;background:rgba(139,123,255,.16)}
.cta{padding:9px 20px;border-radius:10px;background:linear-gradient(135deg,var(--purple),#6f8bff);color:#fff;font-weight:700;font-size:14px;box-shadow:0 4px 18px rgba(139,123,255,.35)}
.cta:hover{transform:translateY(-2px)}
.nav-toggle{display:none;width:38px;height:38px;background:rgba(139,123,255,.15);border-radius:8px;flex-direction:column;align-items:center;justify-content:center;gap:5px;cursor:pointer}
.nav-toggle span{width:18px;height:2px;background:#fff;border-radius:2px}

/* HERO */
.hero{padding:110px 0 70px;position:relative;overflow:hidden;background:radial-gradient(60% 50% at 18% 22%,rgba(139,123,255,.26),transparent 60%),radial-gradient(50% 40% at 85% 60%,rgba(245,196,81,.10),transparent 60%),linear-gradient(180deg,#070a1c,#0b1030 45%,#070a1c)}
.hero-grid{display:grid;grid-template-columns:1.1fr .9fr;gap:44px;align-items:center}
.badge{display:inline-flex;align-items:center;gap:8px;padding:6px 14px;border:1px solid var(--line);border-radius:20px;color:#c4b5ff;font-size:12px;margin-bottom:18px;background:rgba(139,123,255,.10)}
.dot{width:7px;height:7px;border-radius:50%;background:#22c55e;box-shadow:0 0 8px #22c55e;animation:pulse 2s infinite}
@keyframes pulse{0%,100%{opacity:1}50%{opacity:.35}}
.hero-txt h1{font-size:clamp(32px,5.2vw,60px);font-weight:900;line-height:1.14;color:#fff}
.hero-txt h1 span{background:linear-gradient(135deg,var(--purple),var(--gold));-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}
.hero-txt p{color:var(--muted);margin:18px 0 26px;max-width:520px;font-size:15px}
.btns{display:flex;gap:12px;flex-wrap:wrap}
.btn{padding:14px 28px;border-radius:12px;background:linear-gradient(135deg,var(--purple),#6f5bff);color:#fff;font-weight:700;box-shadow:0 6px 24px rgba(139,123,255,.4)}
.btn:hover{transform:translateY(-3px);box-shadow:0 10px 34px rgba(139,123,255,.55)}
.btn.ghost{background:transparent;border:1px solid var(--line2)}
.trust{display:flex;gap:8px;flex-wrap:wrap;margin-top:26px}
.trust li{padding:5px 12px;border:1px solid var(--line);border-radius:20px;font-size:12px;color:var(--muted);background:rgba(255,255,255,.02)}
.hero-img img{border-radius:20px;border:1px solid var(--line);box-shadow:0 30px 90px rgba(0,0,0,.55);animation:floaty 7s ease-in-out infinite}
@keyframes floaty{0%,100%{transform:translateY(0)}50%{transform:translateY(-10px)}}

/* SECTION */
.sec{padding:84px 0}
.sec.dark{background:linear-gradient(180deg,#070a1c,#0b1030,#070a1c)}
.sec-head{text-align:center;margin-bottom:48px}
.kicker{font-size:11px;color:var(--purple);letter-spacing:5px;font-weight:700;margin-bottom:10px}
.sec-head h2{font-size:clamp(24px,3.6vw,36px);font-weight:900;color:#fff}
.sec-head p{color:var(--muted);margin-top:10px;font-size:14px}

/* FEATURES */
.grid3{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.card{background:var(--card);border:1px solid var(--line);border-radius:16px;padding:26px 24px;transition:.35s}
.card:hover{transform:translateY(-5px);border-color:rgba(139,123,255,.4);box-shadow:0 18px 46px rgba(0,0,0,.35)}
.card .ico{width:50px;height:50px;border-radius:13px;background:rgba(139,123,255,.14);display:flex;align-items:center;justify-content:center;font-size:22px;margin-bottom:14px}
.card h3{font-size:17px;color:#fff;margin-bottom:8px}
.card p{font-size:13.5px;color:var(--muted);line-height:1.8}

/* CHARS */
.chars{display:grid;grid-template-columns:repeat(6,1fr);gap:14px}
.chars figure{background:var(--card);border:1px solid var(--line);border-radius:16px;overflow:hidden;transition:.35s}
.chars figure:hover{transform:translateY(-6px);border-color:rgba(139,123,255,.45);box-shadow:0 18px 44px rgba(0,0,0,.4)}
.chars img{width:100%;aspect-ratio:3/4;object-fit:cover;transition:.5s}
.chars figure:hover img{transform:scale(1.05)}
.chars figcaption{padding:10px 8px;text-align:center}
.chars figcaption b{display:block;font-size:15px;color:#fff}
.chars figcaption span{font-size:11px;color:var(--muted)}

/* GALLERY */
.gallery{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.gallery figure{position:relative;border-radius:16px;overflow:hidden;border:1px solid var(--line);transition:.35s}
.gallery figure:hover{transform:scale(1.03);border-color:rgba(139,123,255,.4);z-index:2}
.gallery img{width:100%;aspect-ratio:16/10;object-fit:cover;transition:.5s}
.gallery figure:hover img{transform:scale(1.07)}
.gallery figcaption{position:absolute;inset:auto 0 0 0;padding:16px 18px;color:#fff;font-weight:600;font-size:15px;background:linear-gradient(180deg,transparent,rgba(0,0,0,.85))}

/* DOWNLOAD */
.download{background:linear-gradient(135deg,#0e1138,#1a1450,#0e1138)}
.dl-wrap{display:grid;grid-template-columns:1.2fr .8fr;gap:44px;align-items:center;background:rgba(255,255,255,.025);border:1px solid var(--line);border-radius:26px;padding:46px 42px;position:relative;overflow:hidden}
.dl-wrap::before{content:'';position:absolute;top:-30%;right:-10%;width:300px;height:300px;background:radial-gradient(circle,rgba(139,123,255,.14),transparent 70%);border-radius:50%}
.dl-txt h2{font-size:30px;font-weight:900;color:#fff;margin-bottom:12px}
.dl-txt p{color:var(--muted);font-size:14px;margin-bottom:22px}
.qr-row{display:flex;align-items:center;gap:16px;margin-bottom:22px}
.qr{border-radius:12px;background:#fff;padding:6px}
.qr-info b{color:#fff;font-size:14px}
.qr-info{font-size:13px;color:var(--muted);line-height:1.6}
.pf{display:flex;gap:10px;flex-wrap:wrap}
.pf-btn{padding:14px 18px;border:1px solid var(--line2);border-radius:12px;background:var(--card);font-size:13px;color:#dfe2ff;transition:.3s}
.pf-btn:hover{background:rgba(139,123,255,.15);border-color:var(--purple);color:#fff}
.dl-list{list-style:none;display:flex;flex-direction:column;gap:12px;font-size:14px;color:var(--muted)}
.dl-list li{padding:12px 16px;background:rgba(255,255,255,.025);border:1px solid rgba(255,255,255,.05);border-radius:12px}
.dl-list b{color:var(--gold)}

/* NEWS */
.news{display:flex;gap:14px;align-items:flex-start;background:var(--card);border:1px solid var(--line);border-radius:12px;padding:16px 20px;margin-bottom:12px;font-size:14px;color:var(--muted);transition:.3s}
.news:hover{border-color:rgba(139,123,255,.35)}
.tag{padding:3px 10px;border-radius:6px;font-size:11px;font-weight:700;white-space:nowrap}
.tag.update{background:rgba(139,123,255,.2);color:#c4b5ff}
.tag.event{background:rgba(245,196,81,.18);color:#f5c451}
.tag.notice{background:rgba(248,113,113,.18);color:#f87171}
time{color:#64748b;font-size:12px;white-space:nowrap}
.news p{margin-left:auto;max-width:80%}

/* FAQ */
.faq{max-width:820px;margin:0 auto}
.faq details{border:1px solid var(--line);border-radius:12px;padding:14px 18px;margin-bottom:10px;background:var(--card);transition:.3s}
.faq details[open]{border-color:rgba(139,123,255,.4)}
.faq summary{cursor:pointer;font-weight:700;color:#fff;list-style:none;display:flex;justify-content:space-between;align-items:center}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{content:'+';color:var(--purple);font-size:20px}
.faq details[open] summary::after{content:'−'}
.faq p{color:var(--muted);font-size:14px;padding-top:10px;line-height:1.85}

/* FOOTER */
.footer{background:#04050f;padding:50px 0 24px;border-top:1px solid var(--line)}
.footer-grid{display:grid;grid-template-columns:2fr 1fr 1fr 1fr;gap:34px;margin-bottom:30px}
.brand h3{color:#fff;margin-bottom:10px}
.brand p{color:var(--muted);font-size:13px;line-height:1.8;max-width:320px}
.footer h4{color:#fff;font-size:14px;margin-bottom:12px}
.footer li{margin-bottom:8px}
.footer a{font-size:13px;color:var(--muted)}
.footer a:hover{color:var(--purple)}
.footer-bottom{display:flex;justify-content:space-between;flex-wrap:wrap;gap:8px;border-top:1px solid rgba(255,255,255,.05);padding-top:18px;color:#52525b;font-size:12px}
.seo-note{opacity:.7}

/* REVEAL */
.reveal{opacity:0;transform:translateY(22px);transition:opacity .7s ease,transform .7s ease}
.reveal.visible{opacity:1;transform:none}

@media(max-width:960px){
  #navMenu{display:none;position:absolute;top:66px;left:0;right:0;flex-direction:column;background:rgba(7,10,28,.98);padding:16px;border-bottom:1px solid var(--line)}
  #navMenu.open{display:flex}
  .nav-toggle{display:flex}
  .hero-grid{grid-template-columns:1fr}
  .grid3{grid-template-columns:1fr 1fr}
  .chars{grid-template-columns:repeat(3,1fr)}
  .gallery{grid-template-columns:1fr 1fr}
  .dl-wrap{grid-template-columns:1fr;padding:30px 24px}
  .news{flex-direction:column;gap:6px}
  .news p{margin-left:0;max-width:100%}
  .footer-grid{grid-template-columns:1fr 1fr}
}
@media(max-width:600px){
  .grid3,.chars,.gallery{grid-template-columns:1fr 1fr}
  .footer-grid{grid-template-columns:1fr}
  .sec{padding:60px 0}
  .hero{padding:90px 0 50px}
}