:root{
  --bg:#0a0612;
  --bg2:#120a1f;
  --panel:rgba(255,255,255,.04);
  --line:rgba(255,255,255,.1);
  --pink:#ff2d95;
  --purple:#a855f7;
  --cyan:#22d3ee;
  --text:#f3eefc;
  --muted:#b6a8cf;
  --radius:18px;
}
*{margin:0;padding:0;box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{
  font-family:"PingFang SC","Microsoft YaHei","Hiragino Sans GB",system-ui,-apple-system,sans-serif;
  background:var(--bg);color:var(--text);line-height:1.7;
  -webkit-font-smoothing:antialiased;overflow-x:hidden;
}
a{color:inherit;text-decoration:none;}
img{display:block;}
.container{width:min(1180px,92%);margin:0 auto;}
section{position:relative;padding:88px 0;scroll-margin-top:72px;}
h1,h2,h3,h4{line-height:1.3;font-weight:800;letter-spacing:-.5px;}
h2{font-size:clamp(24px,3.2vw,38px);}
.eyebrow{display:inline-block;font-size:13px;letter-spacing:3px;color:var(--pink);text-transform:uppercase;margin-bottom:12px;font-weight:700;}
.section-title{text-align:center;margin-bottom:14px;}
.section-sub{text-align:center;color:var(--muted);max-width:720px;margin:0 auto 46px;font-size:15px;}
.grad{background:linear-gradient(100deg,#ff2d95,#a855f7 55%,#22d3ee);-webkit-background-clip:text;background-clip:text;color:transparent;}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:14px 30px;border-radius:999px;font-weight:700;font-size:15px;cursor:pointer;
  border:none;transition:.25s;white-space:nowrap;
}
.btn-primary{background:linear-gradient(100deg,#ff2d95,#a855f7);color:#fff;box-shadow:0 10px 30px rgba(255,45,149,.35);}
.btn-primary:hover{transform:translateY(-3px);box-shadow:0 16px 40px rgba(168,85,247,.5);}
.btn-ghost{border:1px solid var(--line);background:rgba(255,255,255,.04);color:var(--text);}
.btn-ghost:hover{border-color:var(--pink);color:#fff;transform:translateY(-3px);}

/* NAV */
header.nav{
  position:sticky;top:0;z-index:100;backdrop-filter:blur(16px);
  background:rgba(10,6,18,.8);border-bottom:1px solid var(--line);
}
.nav-inner{display:flex;align-items:center;justify-content:space-between;height:66px;}
.brand{display:flex;align-items:center;gap:10px;font-weight:800;font-size:18px;}
.brand img{height:34px;width:auto;}
.nav-links{display:flex;align-items:center;gap:0;list-style:none;}
.nav-links li a{
  display:block;padding:8px 11px;font-size:14px;color:var(--muted);border-radius:8px;transition:.2s;
}
.nav-links li a:hover{color:#fff;background:rgba(255,45,149,.12);}
.nav-cta{display:flex;align-items:center;gap:10px;}
.nav-cta .btn{padding:9px 20px;font-size:13px;}
.burger{display:none;flex-direction:column;gap:5px;background:none;border:none;cursor:pointer;padding:8px;}
.burger span{width:24px;height:2px;background:#fff;border-radius:2px;transition:.3s;}

/* HERO */
.hero{
  padding:96px 0 90px;text-align:center;overflow:hidden;position:relative;
  background:
    radial-gradient(circle at 20% 10%,rgba(255,45,149,.22),transparent 45%),
    radial-gradient(circle at 80% 0%,rgba(168,85,247,.25),transparent 45%),
    radial-gradient(circle at 50% 120%,rgba(34,211,238,.15),transparent 55%),
    var(--bg);
}
.hero-grid{position:absolute;inset:0;background-image:linear-gradient(rgba(255,255,255,.04) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.04) 1px,transparent 1px);background-size:52px 52px;mask-image:radial-gradient(ellipse at center,#000 20%,transparent 75%);pointer-events:none;}
.hero .container{position:relative;z-index:2;}
.hero h1{font-size:clamp(30px,5vw,58px);max-width:900px;margin:0 auto 22px;}
.hero p.lead{max-width:720px;margin:0 auto 34px;color:var(--muted);font-size:clamp(15px,1.6vw,18px);}
.hero-actions{display:flex;gap:14px;justify-content:center;flex-wrap:wrap;margin-bottom:56px;}
.hero-stats{display:grid;grid-template-columns:repeat(4,1fr);gap:16px;max-width:900px;margin:0 auto;}
.stat-card{
  background:var(--panel);border:1px solid var(--line);border-radius:var(--radius);
  padding:24px 14px;transition:.3s;
}
.stat-card:hover{transform:translateY(-6px);border-color:rgba(255,45,149,.5);box-shadow:0 16px 40px rgba(168,85,247,.2);}
.stat-card .num{font-size:clamp(22px,3vw,34px);font-weight:800;}
.stat-card .label{font-size:13px;color:var(--muted);margin-top:6px;}

/* ABOUT */
.about-grid{display:grid;grid-template-columns:1.1fr .9fr;gap:40px;align-items:center;}
.about-text p{color:var(--muted);margin-bottom:16px;font-size:15px;}
.about-text h2{text-align:left;margin-bottom:18px;}
.about-list{list-style:none;margin-top:22px;display:grid;gap:12px;}
.about-list li{display:flex;gap:12px;align-items:flex-start;font-size:14px;color:var(--muted);}
.about-list li::before{content:"";flex:0 0 8px;height:8px;margin-top:8px;border-radius:50%;background:linear-gradient(120deg,#ff2d95,#22d3ee);}
.about-visual{display:grid;grid-template-columns:1fr 1fr;gap:14px;}
.vis-box{background:linear-gradient(150deg,rgba(255,45,149,.18),rgba(168,85,247,.1));border:1px solid var(--line);border-radius:var(--radius);padding:22px;}
.vis-box b{display:block;font-size:16px;margin-bottom:6px;}
.vis-box span{font-size:13px;color:var(--muted);}

/* CARDS */
.cards{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;}
.card{
  background:var(--panel);border:1px solid var(--line);border-radius:var(--radius);
  padding:28px 24px;transition:.3s;position:relative;overflow:hidden;
}
.card::after{content:"";position:absolute;inset:0;background:radial-gradient(circle at top right,rgba(255,45,149,.14),transparent 60%);opacity:0;transition:.3s;}
.card:hover{transform:translateY(-6px);border-color:rgba(168,85,247,.55);box-shadow:0 20px 44px rgba(168,85,247,.22);}
.card:hover::after{opacity:1;}
.card .icon{
  width:48px;height:48px;border-radius:14px;display:flex;align-items:center;justify-content:center;
  background:linear-gradient(135deg,rgba(255,45,149,.3),rgba(34,211,238,.25));margin-bottom:16px;font-size:22px;
}
.card h3{font-size:18px;margin-bottom:10px;}
.card p{font-size:14px;color:var(--muted);}

/* TAGS CLOUD */
.tags{display:flex;flex-wrap:wrap;gap:10px;justify-content:center;margin-top:30px;}
.tag{padding:8px 16px;border-radius:999px;border:1px solid var(--line);background:rgba(255,255,255,.04);font-size:13px;color:var(--muted);transition:.25s;cursor:default;}
.tag:hover{border-color:var(--pink);color:#fff;transform:translateY(-2px);background:rgba(255,45,149,.15);}

/* FLOW */
.flow{display:grid;grid-template-columns:repeat(4,1fr);gap:18px;counter-reset:step;}
.flow-item{background:var(--panel);border:1px solid var(--line);border-radius:var(--radius);padding:28px 22px;position:relative;transition:.3s;}
.flow-item:hover{transform:translateY(-6px);border-color:rgba(34,211,238,.5);}
.flow-item .step-no{font-size:34px;font-weight:800;background:linear-gradient(100deg,#ff2d95,#22d3ee);-webkit-background-clip:text;background-clip:text;color:transparent;}
.flow-item h3{font-size:16px;margin:10px 0 8px;}
.flow-item p{font-size:13px;color:var(--muted);}

/* TABLE */
.table-wrap{overflow-x:auto;border-radius:var(--radius);border:1px solid var(--line);background:var(--panel);}
table{width:100%;border-collapse:collapse;min-width:720px;font-size:14px;}
thead{background:rgba(168,85,247,.18);}
th,td{padding:15px 18px;text-align:left;border-bottom:1px solid var(--line);}
th{font-weight:700;color:#fff;}
td{color:var(--muted);}
tbody tr:hover{background:rgba(255,45,149,.07);}
td strong{color:var(--text);}
.badge{display:inline-block;padding:3px 12px;border-radius:999px;font-size:12px;font-weight:700;background:linear-gradient(100deg,#ff2d95,#a855f7);color:#fff;}

/* REVIEW */
.review-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;}
.review{background:var(--panel);border:1px solid var(--line);border-radius:var(--radius);padding:26px 24px;transition:.3s;}
.review:hover{transform:translateY(-6px);border-color:rgba(255,45,149,.45);box-shadow:0 18px 40px rgba(255,45,149,.15);}
.stars{color:#ffb020;font-size:15px;letter-spacing:2px;margin-bottom:12px;}
.review p{font-size:14px;color:var(--muted);margin-bottom:18px;}
.review .who{display:flex;align-items:center;gap:12px;}
.avatar{width:42px;height:42px;border-radius:50%;display:flex;align-items:center;justify-content:center;font-weight:800;background:linear-gradient(135deg,#ff2d95,#a855f7);font-size:15px;}
.who b{font-size:14px;display:block;}
.who span{font-size:12px;color:var(--muted);}

/* CASE */
.case-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;}
.case{background:var(--panel);border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;transition:.3s;}
.case:hover{transform:translateY(-6px);box-shadow:0 20px 44px rgba(168,85,247,.2);}
.case .thumb{width:100%;aspect-ratio:16/10;overflow:hidden;background:#181024;}
.case .thumb img{width:100%;height:100%;object-fit:cover;transition:.4s;}
.case:hover .thumb img{transform:scale(1.06);}
.case .body{padding:20px;}
.case h3{font-size:16px;margin-bottom:8px;}
.case p{font-size:13px;color:var(--muted);}

/* ARTICLES */
.article-list{display:grid;gap:14px;}
.article-item{
  display:flex;align-items:center;justify-content:space-between;gap:16px;
  background:var(--panel);border:1px solid var(--line);border-radius:14px;padding:18px 22px;transition:.25s;
}
.article-item:hover{border-color:var(--pink);transform:translateX(6px);}
.article-item span{font-size:14px;color:var(--muted);}
.article-item a{font-weight:700;font-size:14px;color:#fff;white-space:nowrap;}

/* FAQ */
.faq-item{border:1px solid var(--line);border-radius:14px;margin-bottom:14px;background:var(--panel);overflow:hidden;transition:.25s;}
.faq-item:hover{border-color:rgba(168,85,247,.5);}
.faq-q{width:100%;text-align:left;background:none;border:none;color:#fff;font-size:15px;font-weight:700;padding:20px 24px;cursor:pointer;display:flex;justify-content:space-between;align-items:center;gap:14px;}
.faq-q .plus{font-size:20px;color:var(--pink);transition:.3s;flex:0 0 auto;}
.faq-item.open .plus{transform:rotate(45deg);}
.faq-a{max-height:0;overflow:hidden;transition:max-height .35s ease;color:var(--muted);font-size:14px;}
.faq-a p{padding:0 24px 22px;}

/* FORM */
.form-wrap{display:grid;grid-template-columns:1fr 1fr;gap:40px;align-items:start;}
.form{background:var(--panel);border:1px solid var(--line);border-radius:var(--radius);padding:32px;}
.field{margin-bottom:18px;}
.field label{display:block;font-size:13px;color:var(--muted);margin-bottom:8px;font-weight:600;}
.field input,.field select,.field textarea{
  width:100%;padding:12px 16px;border-radius:10px;background:rgba(255,255,255,.05);
  border:1px solid var(--line);color:#fff;font-size:14px;font-family:inherit;outline:none;transition:.2s;
}
.field input:focus,.field select:focus,.field textarea:focus{border-color:var(--pink);background:rgba(255,45,149,.06);}
.field textarea{resize:vertical;min-height:110px;}
.field select option{background:#150b22;color:#fff;}
.form .btn{width:100%;margin-top:6px;}
.contact-box{display:grid;gap:14px;}
.contact-row{display:flex;align-items:center;gap:16px;background:var(--panel);border:1px solid var(--line);border-radius:14px;padding:16px 20px;transition:.25s;}
.contact-row:hover{border-color:var(--pink);}
.contact-row .k{font-size:13px;color:var(--muted);}
.contact-row .v{font-size:15px;font-weight:700;}
.qr{width:140px;border-radius:12px;border:1px solid var(--line);margin:0 auto;}

/* TIMELINE */
.timeline{border-left:2px solid rgba(255,45,149,.4);padding-left:28px;margin-top:20px;display:grid;gap:26px;}
.tl-item{position:relative;}
.tl-item::before{content:"";position:absolute;left:-36px;top:6px;width:14px;height:14px;border-radius:50%;background:linear-gradient(135deg,#ff2d95,#22d3ee);box-shadow:0 0 0 4px rgba(255,45,149,.18);}
.tl-item b{display:block;font-size:16px;margin-bottom:6px;}
.tl-item span{font-size:14px;color:var(--muted);}

/* NETWORK */
.network{display:grid;grid-template-columns:repeat(4,1fr);gap:16px;}
.net-item{background:var(--panel);border:1px solid var(--line);border-radius:14px;padding:22px;text-align:center;transition:.25s;}
.net-item:hover{border-color:var(--cyan);transform:translateY(-5px);}
.net-item b{display:block;font-size:16px;margin-bottom:6px;}
.net-item span{font-size:13px;color:var(--muted);}

/* PRICE */
.price-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;}
.price{background:var(--panel);border:1px solid var(--line);border-radius:var(--radius);padding:30px 26px;transition:.3s;position:relative;}
.price:hover{transform:translateY(-6px);border-color:rgba(255,45,149,.5);}
.price.featured{border-color:var(--pink);box-shadow:0 20px 44px rgba(255,45,149,.2);}
.price h3{font-size:18px;margin-bottom:8px;}
.price .amount{font-size:30px;font-weight:800;margin:12px 0;}
.price ul{list-style:none;margin-top:16px;display:grid;gap:10px;font-size:13px;color:var(--muted);}
.price ul li::before{content:"✓ ";color:var(--pink);font-weight:800;}

/* FOOTER */
footer{background:var(--bg2);border-top:1px solid var(--line);padding:64px 0 30px;}
.foot-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:36px;}
.foot-brand .brand{margin-bottom:16px;}
.foot-brand p{font-size:13px;color:var(--muted);margin-bottom:10px;}
.foot h4{font-size:15px;margin-bottom:16px;}
.foot ul{list-style:none;display:grid;gap:9px;}
.foot ul a{font-size:13px;color:var(--muted);transition:.2s;}
.foot ul a:hover{color:var(--pink);}
.copyright{margin-top:44px;padding-top:22px;border-top:1px solid var(--line);text-align:center;font-size:13px;color:var(--muted);}

/* FLOATING */
.float{position:fixed;right:22px;bottom:24px;z-index:120;display:flex;flex-direction:column;gap:12px;}
.float button,.float a{
  width:52px;height:52px;border-radius:50%;border:none;cursor:pointer;
  display:flex;align-items:center;justify-content:center;font-size:22px;
  background:linear-gradient(135deg,#ff2d95,#a855f7);color:#fff;
  box-shadow:0 10px 26px rgba(255,45,149,.4);transition:.25s;
}
.float a:hover,.float button:hover{transform:translateY(-4px) scale(1.05);}
.float .top{background:rgba(255,255,255,.1);border:1px solid var(--line);}

/* REVEAL */
.reveal{opacity:0;transform:translateY(28px);transition:opacity .7s ease,transform .7s ease;}
.reveal.in{opacity:1;transform:none;}

/* RESPONSIVE */
@media(max-width:980px){
  .about-grid,.form-wrap{grid-template-columns:1fr;}
  .cards,.review-grid,.case-grid,.price-grid{grid-template-columns:repeat(2,1fr);}
  .flow,.network{grid-template-columns:repeat(2,1fr);}
  .foot-grid{grid-template-columns:1fr 1fr;}
  .hero-stats{grid-template-columns:repeat(2,1fr);}
  .nav-links{
    display:none;position:absolute;top:66px;left:0;right:0;flex-direction:column;gap:0;
    background:rgba(14,8,24,.98);border-bottom:1px solid var(--line);padding:10px 0;max-height:80vh;overflow:auto;
  }
  .nav-links.open{display:flex;}
  .nav-links li{width:100%;}
  .nav-links li a{padding:13px 24px;border-radius:0;}
  .burger{display:flex;}
  .nav-cta .btn-ghost{display:none;}
}
@media(max-width:620px){
  section{padding:64px 0;}
  .cards,.review-grid,.case-grid,.price-grid,.flow,.network{grid-template-columns:1fr;}
  .foot-grid{grid-template-columns:1fr;}
  .hero-actions{flex-direction:column;align-items:stretch;}
  .hero-actions .btn{width:100%;}
  .article-item{flex-direction:column;align-items:flex-start;}
  .float{right:14px;bottom:16px;}
  .float button,.float a{width:46px;height:46px;font-size:19px;}
}